1 2<!DOCTYPE html> 3<html id="portal_html" lang=en><head> 4<meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1" /><meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" /><meta http-equiv="Pragma" content="no-cache" /> 5<title>1UZ-FE Engine</title> 6 7<meta name="description" content="Information on the Toyota 1UZ-FE Engine Haltech ECU Options All Haltech ECU models can run the engine.  Elite 1000 and higher is required to control the factory stepper motor idle valve. Elite 950, 2000, and 2500 are required for sequential ..."/> 8<meta name="keywords" content="1UZ-FE Engine | Haltech Support Center | Toyota | Haltech"/> 9<meta name="twitter:card" content="summary"/> 10 11<link rel="canonical" href="https://support.haltech.com/portal/en/kb/articles/1uz-fe-engine"/> 12<meta property="og:title" content="1UZ-FE Engine" /> 13<meta property="og:site_name" content="Haltech Support Center" /> 14<meta property="og:description" content="Information on the Toyota 1UZ-FE Engine Haltech ECU Options All Haltech ECU models can run the engine.  Elite 1000 and higher is required to control the factory stepper motor idle valve. Elite 950, 2000, and 2500 are required for sequential ..." /> 15<meta property="og:type" content="article" /> 16<meta property="og:locale" content="en" /> 17<meta property="og:url" content="https://support.haltech.com/portal/en/kb/articles/1uz-fe-engine" /> 18<meta property="og:image" content="https://desk.zoho.com/portal/api/kbCategory/309315000016365982/logo/5476289000000609032?orgId=672825763" /> 19 20<link rel="alternate" hreflang="en" href="https://support.haltech.com/portal/en/kb/articles/1uz-fe-engine"/> 21<link rel="alternate" hreflang="x-default" href="https://support.haltech.com/portal/en/kb/articles/1uz-fe-engine"/> 22 23<link rel="preconnect" href="https://static.zohocdn.com" crossorigin>
23<script nonce="c90b0babbc49c6dd6668ae37eb1fd23d">var PortalInfo = JSON.parse("{\x22csp\x22:{\x22scriptSrcNonce\x22:\x22c90b0babbc49c6dd6668ae37eb1fd23d\x22},\x22agentsLoginPageURL\x22:\x22\x22,\x22isJWTEnabled\x22:false,\x22endUsersLoginPageURL\x22:\x22\x22,\x22profileStatus\x22:null,\x22i18NLangFile\x22:\x22en_US\x22,\x22isHCDomainForInlineImageEnabled\x22:false,\x22isNewCaptchaEnabled\x22:true,\x22nimbusEditorUrl\x22:\x22static.zohocdn.com\/zoho\-desk\-editor\x22,\x22isSEOClientRenderingEnabled\x22:false,\x22isEmbedChatButtonEnabled\x22:true,\x22isHCTicketDashboardEnabled\x22:false,\x22agentSigninIframeURL\x22:\x22https:\/\/support.haltech.com\/support\/haltech\/ShowHomePage.do\x22,\x22isTicketExportEnabled\x22:true,\x22isRemoteAuthEnabled\x22:false,\x22isAttachmentFileTypeRestrictionEnabled\x22:true,\x22isTicketsViewCountEnabled\x22:true,\x22isCDNCustomScriptEnabled\x22:false,\x22helpCenterInfo\x22:{\x22tabs\x22:[{\x22isDefault\x22:false,\x22displayName\x22:\x22Home\x22,\x22name\x22:\x22Home\x22,\x22isVisible\x22:false},{\x22isDefault\x22:false,\x22displayName\x22:\x22MyRequests\x22,\x22name\x22:\x22Cases\x22,\x22isVisible\x22:false},{\x22isDefault\x22:false,\x22displayName\x22:\x22SubmitRequest\x22,\x22name\x22:\x22SubmitRequest\x22,\x22isVisible\x22:true},{\x22isDefault\x22:true,\x22displayName\x22:\x22HelpCenter\x22,\x22name\x22:\x22Solutions\x22,\x22isVisible\x22:true},{\x22isDefault\x22:false,\x22displayName\x22:\x22Community\x22,\x22name\x22:\x22Community\x22,\x22isVisible\x22:true}],\x22logoLinkBackUrl\x22:\x22https:\/\/support.haltech.com\x22,\x22departmentIds\x22:[\x22309315000123843059\x22,\x22309315000000006907\x22],\x22locale\x22:\x22en\x22,\x22isOIDCEnabled\x22:false,\x22orgId\x22:\x22672825763\x22,\x22CustomizationDetails\x22:{\x22footerHtml\x22:\x22\/portal\/hccustomize\/edbsndab83bda6a605a18494b81368a73ed74cd1dcf847618762393f755c23cb0bd106b92c4c7c333496949bb0c529e849124\/footer.html\x22,\x22headerHtml\x22:\x22\/portal\/hccustomize\/edbsndab83bda6a605a18494b81368a73ed74cd1dcf847618762393f755c23cb0bd106b92c4c7c333496949bb0c529e849124\/header.html\x22,\x22css\x22:\x22\/portal\/hccustomize\/edbsndab83bda6a605a18494b81368a73ed74cd1dcf847618762393f755c23cb0bd106b92c4c7c333496949bb0c529e849124\/stylesheet.css\x22,\x22customThemeId\x22:\x22309315000066152523\x22,\x22color\x22:{\x22menuBar\x22:{\x22border\x22:{\x22hex\x22:\x22#FFc72c\x22,\x22opacity\x22:null},\x22normalMenu\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null},\x22selectedMenu\x22:{\x22hex\x22:\x22#FFc72c\x22,\x22opacity\x22:null},\x22hoverMenuText\x22:null,\x22selectedMenuText\x22:null,\x22hoverMenu\x22:{\x22hex\x22:\x22#FFc72c\x22,\x22opacity\x22:null},\x22normalMenuText\x22:null},\x22buttons\x22:{\x22secondary\x22:{\x22hex\x22:\x22#f9f9f9\x22,\x22opacity\x22:null},\x22primaryText\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null},\x22primary\x22:{\x22hex\x22:\x22#FFc72c\x22,\x22opacity\x22:null},\x22secondaryText\x22:{\x22hex\x22:\x22#333333\x22,\x22opacity\x22:null}},\x22tab\x22:{\x22background\x22:{\x22hex\x22:\x22#000000\x22,\x22opacity\x22:null},\x22opacity\x22:\x220.45\x22},\x22footer\x22:{\x22background\x22:{\x22hex\x22:\x22#252525\x22,\x22opacity\x22:null},\x22link\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null},\x22text\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null},\x22linkHover\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null}},\x22breadCrumb\x22:{\x22background\x22:{\x22hex\x22:\x22#f8f8f8\x22,\x22opacity\x22:null},\x22text\x22:{\x22hex\x22:\x22#333333\x22,\x22opacity\x22:null},\x22hoverText\x22:{\x22hex\x22:\x22#FFc72c\x22,\x22opacity\x22:null}},\x22link\x22:{\x22normalText\x22:{\x22hex\x22:\x22#000000\x22,\x22opacity\x22:null},\x22selectedText\x22:null,\x22primaryText\x22:null,\x22primaryHoverText\x22:null,\x22primarySelectedText\x22:null,\x22hoverText\x22:{\x22hex\x22:\x22#FFc72c\x22,\x22opacity\x22:null},\x22secondaryText\x22:null,\x22secondaryHoverText\x22:null},\x22header\x22:{\x22background\x22:{\x22image\x22:{\x22fileName\x22:\x22visa.png\x22,\x22imageURL\x22:\x22https:\/\/desk.zoho.com\/portal\/api\/customThemes\/309315000066152523\/images\/5476289000000651187?portalId=edbsndab83bda6a605a18494b81368a73ed74e00f5941b9c7dc264955a9257f1b8067\x22,\x22imageDataURI\x22:null,\x22id\x22:\x225476289000000651187\x22},\x22color\x22:{\x22hex\x22:\x22#333333\x22,\x22opacity\x22:null},\x22endColor\x22:null,\x22enabled\x22:[\x22color\x22],\x22startColor\x22:null},\x22backgroundImage\x22:null,\x22text\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null},\x22backgroundEnd\x22:null,\x22textHover\x22:null,\x22backgroundStart\x22:null},\x22body\x22:{\x22middleContainer\x22:null,\x22background\x22:{\x22hex\x22:\x22#ffffff\x22,\x22opacity\x22:null}}},\x22themeVersionID\x22:\x22v1178947231759\x22,\x22name\x22:\x22Elegant\x22,\x22font\x22:{\x22font\x22:\x22Helvetica\x22}},\x22isMultiLayoutEnabled\x22:true,\x22isZohoOneEnabled\x22:false,\x22portalName\x22:\x22haltech\x22,\x22baseDomain\x22:\x22https:\/\/desk.zoho.com\x22,\x22accountsSigninConfig\x22:{\x22loginIdentifiers\x22:[\x22EMAIL\x22],\x22authType\x22:\x22HC_SIGNIN\x22},\x22portalId\x22:\x22edbsndab83bda6a605a18494b81368a73ed74e00f5941b9c7dc264955a9257f1b8067\x22,\x22KB\x22:{\x22comments\x22:{\x22uuid\x22:\x2204bd5201\-54d3\-4dc4\-9313\-6b035cbef660\x22}}
23,\x22id\x22:\x22309315000000093069\x22,\x22isSMSAuthEnabled\x22:false,\x22preferences\x22:{\x22isKBWatchListEnabled\x22:true,\x22isAccountTicketViewable\x22:false,\x22isArticleUpdatedTimeVisible\x22:true,\x22isMultiLayoutGridViewEnabled\x22:true,\x22articleFeedbackFormOnDislike\x22:\x22show\x22,\x22isSEONoIndexNoFollowSetAcrossAllPages\x22:false,\x22isSignUpFormCustomized\x22:false,\x22tocPosition\x22:\x22top\x22,\x22showFeedbackFormOnDislike\x22:true,\x22isTicketViewsEnabled\x22:true,\x22isCustomStatusFilterEnabled\x22:false,\x22isArticleAuthorInfoVisible\x22:false,\x22isSelfSignUp\x22:false,\x22isImageWaitEnabled\x22:true,\x22isKBEndUsersCommentEnabled\x22:false,\x22isCommunityEnabled\x22:false,\x22isKBModerationEnabled\x22:true,\x22isTocEnabled\x22:false,\x22isClientDebuggingEnabled\x22:false,\x22isPayloadEncryptionEnabled\x22:false,\x22guestUserAccessRestriction\x22:{\x22submitTicket\x22:false},\x22signupFormLayout\x22:\x22STATIC_FORM\x22,\x22isUserDeletionEnabled\x22:true,\x22isSEOSetAcrossAllPages\x22:true,\x22isHelpCenterPublic\x22:true,\x22searchScope\x22:\x22section\x22,\x22isKBCommentAttachmentsEnabled\x22:true,\x22isCommunityAtMentionEnabled\x22:true,\x22imageWaitingTime\x22:\x221000\x22,\x22isMultilingualEnabled\x22:false,\x22communityLandingPage\x22:\x22allcategory\x22,\x22isKBEnabled\x22:true,\x22isSecondaryContactsEnabled\x22:false,\x22isKBCommentsRecycleBinEnabled\x22:true,\x22isArticleIDConfigurationEnabled\x22:false,\x22isOnHoldEnabled\x22:true,\x22isContactAccountMultiMappingEnabled\x22:false,\x22isOTPBasedAuthenticationEnabled\x22:false,\x22isGamificationEnabled\x22:false,\x22isTagsEnabled\x22:false},\x22activeLocales\x22:[{\x22i18nLocaleName\x22:\x22English\x22,\x22name\x22:\x22Haltech Support Center\x22,\x22locale\x22:\x22en\x22,\x22type\x22:\x22DEFAULT\x22,\x22status\x22:\x22ACCESIBLE_IN_HELPCENTER\x22}],\x22logoUrl\x22:\x22https:\/\/profile.zoho.com\/file?ot=8\x26t=serviceorg\x26ID=672825763\x22,\x22url\x22:\x22https:\/\/support.haltech.com\/portal\/\x22,\x22accountId\x22:\x2210010351423\x22,\x22locales\x22:[{\x22localeCode\x22:\x22en\x22,\x22name\x22:\x22English (United States)\x22}],\x22isDefault\x22:true,\x22name\x22:\x22Haltech Support Center\x22,\x22favIconUrl\x22:\x22https:\/\/support.haltech.com\/portal\/api\/helpCenters\/309315000000093069\/favIcon\/5476289000001196299?orgId=672825763\x22,\x22primaryLocale\x22:\x22en\x22},\x22hcUsersSignInIframeURL\x22:\x22https:\/\/accounts.zohoportal.com\/accounts\/signin?_sh=false\x26client_portal=true\x26servicename=ZohoSupport\x22,\x22showAgentLoginInHC\x22:false,\x22zAppsFrameUrl\x22:\x22{{uuId}}.zappsusercontent.com\x22,\x22isCPSamlEnabled\x22:false,\x22zuid\x22:\x22\x22,\x22customScript\x22:null,\x22iamDomainOfHC\x22:\x22https:\/\/accounts.zohoportal.com\x22,\x22gtmId\x22:null,\x22attachmentControl\x22:{\x22type\x22:\x22FULL_PERMISSION\x22},\x22cssforMobileOTP\x22:\x22\/portal\/css\/hc_new_signin.css\x22,\x22csrf_token\x22:\x22ca5c2f38\-4e73\-4c21\-b730\-7262657fcccd\x22,\x22nimbusThemeUrl\x22:\x22static.zohocdn.com\/helpcenter\/elegant\x22,\x22sandboxDomain\x22:\x22deskportal.zoho.com\x22,\x22isTicketIdRedirectionEnabled\x22:true,\x22isLockedTicketEnabled\x22:false,\x22hcUsersSignUpRegisterScriptURL\x22:\x22\x22,\x22isSigninUsingZohoEnabled\x22:false,\x22pageSenseTrackingScript\x22:null,\x22isBotRequest\x22:true,\x22isGoalAnalyticsEnabled\x22:false,\x22moduleInfoMap\x22:{\x22Products\x22:{\x22changed_module_sanitized\x22:\x22products\x22,\x22changed_i18n_module\x22:\x22Products\x22,\x22changed_module\x22:\x22Products\x22,\x22changed_module_apikey\x22:\x22products\x22,\x22changed_i18n_plural_module\x22:\x22Products\x22,\x22changed_sing_module\x22:\x22Product\x22,\x22changed_plural_module\x22:\x22Products\x22,\x22changed_i18n_sing_module\x22:\x22Product\x22},\x22Solutions\x22:{\x22changed_module_sanitized\x22:\x22knowledge\-base\x22,\x22changed_i18n_module\x22:\x22Knowledge Base\x22,\x22changed_module\x22:\x22Knowledge Base\x22,\x22changed_module_apikey\x22:\x22solutions\x22,\x22changed_i18n_plural_module\x22:\x22Articles\x22,\x22changed_sing_module\x22:\x22Article\x22,\x22changed_plural_module\x22:\x22Articles\x22,\x22changed_i18n_sing_module\x22:\x22Article\x22},\x22Contacts\x22:{\x22changed_module_sanitized\x22:\x22contacts\x22,\x22changed_i18n_module\x22:\x22Contacts\x22,\x22changed_module\x22:\x22Contacts\x22,\x22changed_module_apikey\x22:\x22contacts\x22,\x22changed_i18n_plural_module\x22:\x22Contacts\x22,\x22changed_sing_module\x22:\x22Contact\x22,\x22changed_plural_module\x22:\x22Contacts\x22,\x22changed_i18n_sing_module\x22:\x22Contact\x22},\x22Customers\x22:{\x22changed_module_sanitized\x22:\x22customers\x22,\x22changed_i18n_module\x22:\x22Customers\x22,\x22changed_module\x22:\x22Customers\x22,\x22changed_module_apikey\x22:\x22customers\x22,\x22changed_i18n_plural_module\x22:\x22Customers\x22,\x22changed_sing_module\x22:\x22Customer\x22,\x22changed_plural_module\x22:\x22Customers\x22,\x22changed_i18n_sing_module\x22:\x22Customer\x22},\x22Community\x22:{\x22changed_module_sanitized\x22:\x22community\x22,\x22changed_i18n_module\x22:\x22Community\x22,\x22changed_module\x22:\x22Community\x22,\x22changed_module_apikey\x22:\x22community\x22,\x22changed_i18n_plural_module\x22:\x22Community\x22,\x22changed_sing_module\x22:\x22Community\x22,\x22changed_plural_module\x22:\x22Community\x22,\x22changed_i18n_sing_module\x22:\x22Community\x22},\x22Cases\x22:{\x22changed_module_sanitized\x22:\x22tickets\x22,\x22changed_i18n_module\x22:\x22Tickets\x22,\x22changed_module\x22:\x22Tickets\x22,\x22changed_module_apikey\x22:\x22tickets\x22,\x22changed_i18n_plural_module\x22:\x22Tickets\x22,\x22changed_sing_module\x22:\x22Ticket\x22,\x22changed_plural_module\x22:\x22Tickets\x22,\x22changed_i18n_sing_module\x22:\x22Ticket\x22},\x22Accounts\x22:{\x22changed_module_sanitized\x22:\x22accounts\x22,\x22changed_i18n_module\x22:\x22Accounts\x22,\x22changed_module\x22:\x22Accounts\x22,\x22changed_module_apikey\x22:\x22accounts\x22,\x22changed_i18n_plural_module\x22:\x22Accounts\x22,\x22changed_sing_module\x22:\x22Account\x22,\x22changed_plural_module\x22:\x22Accounts\x22,\x22changed_i18n_sing_module\x22:\x22Account\x22}},\x22helpCentreIamDomain\x22:\x22https:\/\/accounts.zohoportal.com\x22,\x22hcUsersForgotPwdIframeURL\x22:\x22https:\/\/accounts.zohoportal.com\/accounts\/password\/forgot?_sh=false\x26_embed=true\x26client_portal=true\x26servicename=ZohoSupport\x26_hn=true\x22,\x22isNewAPIForKB\x22:true,\x22isCustomerHappinessEnabled\x22:true,\x22editor\x22:{\x22isBluePencilEnabled\x22:false,\x22isCommunityCommentMailEditorEnabled\x22:false,\x22isCommunityTopicMailEditorEnabled\x22:false},\x22editorVersion\x22:\x225.4.9\x22,\x22agentForgotPwdURL\x22:\x22https:\/\/accounts.zoho.com\/password?servicename=ZohoSupport\x26serviceurl=%2Fsupport%2Fhaltech\x26service_language=en\x22,\x22editorUrl\x22:\x22https:\/\/static.zohocdn.com\/zoho\-desk\-editor\/EV5.4.9\/js\/ZohoDeskEditor.js\x22,\x22serviceName\x22:\x22ZohoSupport\x22,\x22isFolderPermalinkEnabled\x22:false,\x22userId\x22:\x22\x22,\x22accountsUrls\x22:{\x22forgotPasswordIframeUrl\x22:\x22https:\/\/support.haltech.com\/accounts\/p\/10010351423\/password?servicename=ZohoSupport\x22,\x22logoutUrl\x22:\x22https:\/\/support.haltech.com\/accounts\/p\/10010351423\/logout?servicename=ZohoSupport\x22,\x22signInIframeUrl\x22:\x22https:\/\/support.haltech.com\/accounts\/p\/10010351423\/signin?servicename=ZohoSupport\x22,\x22reloginUrl\x22:\x22https:\/\/support.haltech.com\/accounts\/p\/10010351423\/account\/v1\/relogin?servicename=ZohoSupport\x22},\x22defaultDepId\x22:\x22309315000000006907\x22,\x22isFederatedLoginEnabled\x22:false,\x22isFreePlan\x22:false,\x22agentInterfaceIamDomain\x22:\x22https:\/\/accounts.zoho.com\x22}") 24 25function inIframe(){try{return window.self!==window.top}catch(n){return!0}}var loadingInIframe=inIframe() 26try{if(loadingInIframe){var parentWindow=window.parent||{},portalPortalInfo=parentWindow.PortalInfo||{},parentHelpcenterInfo=portalPortalInfo.helpCenterInfo||{},parentPortalUrl=parentHelpcenterInfo.url,helpCenterInfo=PortalInfo.helpCenterInfo||{}
27if(helpCenterInfo.url==parentPortalUrl){var hcCustomizationTemp=void 0===parentWindow.hcCustomization?!1:parentWindow.hcCustomization 28!hcCustomizationTemp&&window.parent.location.reload()}}}catch(e){console.log("Couldn't access parent page")}; 29var deploymentType = "US"; 30var isPortalMarketPlaceEnabled = "false"; 31var cdnDomain = { 32portalJs : "https://static.zohocdn.com\/helpcenter\/elegant/", 33portalCss : "https://static.zohocdn.com\/helpcenter\/elegant/", 34portalImages : "https://static.zohocdn.com\/helpcenter\/elegant/", 35portalFonts : "https://static.zohocdn.com\/helpcenter\/elegant/" 36} 37var awsDomain={ 38portalJs : "https://static.zohocdn.com\/helpcenter\/elegant/", 39portalCss : "https://static.zohocdn.com\/helpcenter\/elegant/", 40portalImages : "https://static.zohocdn.com\/helpcenter\/elegant/", 41portalFonts : "https://static.zohocdn.com\/helpcenter\/elegant/" 42} 43PortalInfo [ "nimbusCDNFingerprints" ] = {"header.js":"header.7c99b662ac06c0db35cc_.js","ZFramework.js":"ZFramework.38ef9a4e1e28bc8706d9.js","ticketIconContent.js":"ticketIconContent.f31fe9e2d43c95f8c77d_.js","ticketDashboard.js":"ticketDashboard.a57aebeeed3be142d720_.js","profile.js":"profile.31efb920b90e60f170e1_.js","attachmentIconContent.js":"attachmentIconContent.9e6381bb977ff2e99c86_.js","clonerepo.js":"clonerepo.c3ffb6623bc79276dfc4.js","ticket.js":"ticket.46e81292d52f45ceb7fd_.js","vendor.js":"vendor.8d6f959abd12207bc72d_.js","community.js":"community.1a5b539de3003805c11c_.js","mpextensionconfig.js":"mpextensionconfig.24b83886d69b1e2b771e_.js","modalwidget.js":"modalwidget.48a17b0dbd00d2180647_.js","editorInit.js":"editorInit.415eecb748747862d473.js","react.js":"react.vendor.5f2e0edb676dda50e7d4_.js","search.js":"search.7a9565973fade8124bde_.js","iconContent.js":"iconContent.a97dc1d09ffa79f0be62_.js","mpwidget.js":"mpwidget.778312099001ca6de0a0_.js","runtime~main.js":"runtime~main.88d7052608839537cc34_.js","authorizationPage.js":"authorizationPage.8703d6e988aa688cb2db_.js","widgets.js":"widgets.f51aea6c01b97b150f0d_.js","article.js":"article.88cd2ecfd2f5febb1e6b_.js","communityDashboard.js":"communityDashboard.a18800bce4c34dcfa659_.js","main.js":"main.e0e92533fba6085bc9dc_.js"}; 44PortalInfo [ "nimbusCDNFingerprintsCSS" ] = {"community.css":"community.270b4986c3ae36e67b85_.css","main.css":"main.d86bcb5591738de1e32f_.css","zohohckbarticlenotes.css":"zohohckbarticlenotes.95444bc1534bf935b6ce.css","search.css":"search.5d790a886a76991509ce_.css","modalwidget.css":"modalwidget.e252e64f6a6e31b34adc_.css","mpwidget.css":"mpwidget.28f5c9d99c269f2535b6_.css","mpextensionconfig.css":"mpextensionconfig.837e74b37d55d8981766_.css","ZohoDeskEditorTools.min.css":"ZohoDeskEditorTools.min.a43e16bb8cb7999b5c85.css","header.css":"header.5459599f11c81b5632fc_.css","print.css":"print.41d57b1966089ba45581.css","ZohoDeskEditor.min.css":"ZohoDeskEditor.min.2045c6d4332a50bafdcd.css","widgets.css":"widgets.fe145933c9c338cfa904_.css","article.css":"article.04fab462a78c3e28fd1d_.css","authorizationPage.css":"authorizationPage.288262316fe2e78a7f8e_.css","ticketDashboard.css":"ticketDashboard.6fcc2af10fb03a53a5a0_.css","showoriginal.css":"showoriginal.8571cb917871b37fa779.css","ticket.css":"ticket.4d461e6c699ea356e062_.css","profile.css":"profile.131d72baeacc6ffad40b_.css","kbeditorinner.css":"kbeditorinner.1f46b7046d71339b0596.css","communityDashboard.css":"communityDashboard.cae17e0847798d02f373_.css","hc_authentication.css":"hc_authentication.03e66a4674fdcce32335.css"} || {}; 45Object.assign ( PortalInfo [ "nimbusCDNFingerprints" ] || {}, {"header.js":"header.7c99b662ac06c0db35cc_.js","ZFramework.js":"ZFramework.38ef9a4e1e28bc8706d9.js","ticketIconContent.js":"ticketIconContent.f31fe9e2d43c95f8c77d_.js","ticketDashboard.js":"ticketDashboard.a57aebeeed3be142d720_.js","profile.js":"profile.31efb920b90e60f170e1_.js","attachmentIconContent.js":"attachmentIconContent.9e6381bb977ff2e99c86_.js","clonerepo.js":"clonerepo.c3ffb6623bc79276dfc4.js","ticket.js":"ticket.46e81292d52f45ceb7fd_.js","vendor.js":"vendor.8d6f959abd12207bc72d_.js","community.js":"community.1a5b539de3003805c11c_.js","mpextensionconfig.js":"mpextensionconfig.24b83886d69b1e2b771e_.js","modalwidget.js":"modalwidget.48a17b0dbd00d2180647_.js","editorInit.js":"editorInit.415eecb748747862d473.js","react.js":"react.vendor.5f2e0edb676dda50e7d4_.js","
45search.js":"search.7a9565973fade8124bde_.js","iconContent.js":"iconContent.a97dc1d09ffa79f0be62_.js","mpwidget.js":"mpwidget.778312099001ca6de0a0_.js","runtime~main.js":"runtime~main.88d7052608839537cc34_.js","authorizationPage.js":"authorizationPage.8703d6e988aa688cb2db_.js","widgets.js":"widgets.f51aea6c01b97b150f0d_.js","article.js":"article.88cd2ecfd2f5febb1e6b_.js","communityDashboard.js":"communityDashboard.a18800bce4c34dcfa659_.js","main.js":"main.e0e92533fba6085bc9dc_.js"} ); 46window.isAWSEnabled = false; 47/* window.addCDNExpireCookie=function(){if("undefined"==typeof navigator||navigator.onLine){var n=new Date,t=new Date(n);t.setDate(n.getDate()+1),document.cookie="aws_cdn_failed=1;expires="+t.toGMTString()}}, 48window.isAWSCDNUrl=function(n,t){var i=window.awsDomain[t];return!(!i||-1===n.indexOf(i))}, 49window.onNotifyError=function(n,t){if(isAWSCDNUrl(n,t)){addCDNExpireCookie();location.reload(!0)}}, 50window.isAWSCDNFailed=function(){var n=document.cookie.match("aws_cdn_failed=(.*?)(;|$)");return!!n&&"1"===unescape(n[1])}, 51*/ window.getStaticDomain=function(){var n=cdnDomain;return window.staticDomain?Object.assign?Object.assign({},window.staticDomain,n):Object.keys(n).reduce(function(t,i){return t[i]=n[i],t},window.staticDomain):n}, 52window.makeRequest=function(n,t){return new Promise(function(i,e){var o=new XMLHttpRequest;o.open(n,t),o.onload=function(){this.status>=200&&this.status<300?i(o.response):e({status:this.status,statusText:o.statusText})},o.send()})}, 53window.staticDomain=getStaticDomain(); 54 55if(!window.Promise){var setTimeoutFunc=setTimeout;function noop(){}function bind(e,n){return function(){e.apply(n,arguments)}}function handle(e,n){for(;3===e._state;)e=e._value;0!==e._state?(e._handled=!0,Promise._immediateFn(function(){var t=1===e._state?n.onFulfilled:n.onRejected;if(null!==t){var o;try{o=t(e._value)}catch(e){return void reject(n.promise,e)}resolve(n.promise,o)}else(1===e._state?resolve:reject)(n.promise,e._value)})):e._deferreds.push(n)}function resolve(e,n){try{if(n===e)throw new TypeError("A promise cannot be resolved with itself.");if(n&&("object"==typeof n||"function"==typeof n)){var t=n.then;if(n instanceof Promise)return e._state=3,e._value=n,void finale(e);if("function"==typeof t)return void doResolve(bind(t,n),e)}e._state=1,e._value=n,finale(e)}catch(n){reject(e,n)}}function reject(e,n){e._state=2,e._value=n,finale(e)}function finale(e){2===e._state&&0===e._deferreds.length&&Promise._immediateFn(function(){e._handled||Promise._unhandledRejectionFn(e._value)});for(var n=0,t=e._deferreds.length;n<t;n++)handle(e,e._deferreds[n]);e._deferreds=null}function Handler(e,n,t){this.onFulfilled="function"==typeof e?e:null,this.onRejected="function"==typeof n?n:null,this.promise=t}function doResolve(e,n){var t=!1;try{e(function(e){t||(t=!0,resolve(n,e))},function(e){t||(t=!0,reject(n,e))})}catch(e){if(t)return;t=!0,reject(n,e)}}window.Promise=function e(n){if(!(this instanceof e))throw new TypeError("Promises must be constructed via new");if("function"!=typeof n)throw new TypeError("not a function");this._state=0,this._handled=!1,this._value=void 0,this._deferreds=[],doResolve(n,this)};var _proto=Promise.prototype;_proto.catch=function(e){return this.then(null,e)},_proto.then=function(e,n){var t=new this.constructor(noop);return handle(this,new Handler(e,n,t)),t},Promise.all=function(e){return new Promise(function(n,t){if(!e||void 0===e.length)throw new TypeError("Promise.all accepts an array");var o=Array.prototype.slice.call(e);if(0===o.length)return n([]);var r=o.length;function i(e,s){try{if(s&&("object"==typeof s||"function"==typeof s)){var c=s.then;if("function"==typeof c)return void c.call(s,function(n){i(e,n)},t)}o[e]=s,0==--r&&n(o)}catch(e){t(e)}}for(var s=0;s<o.length;s++)i(s,o[s])})},Promise.resolve=function(e){return e&&"object"==typeof e&&e.constructor===Promise?e:new Promise(function(n){n(e)})},Promise.reject=function(e){return new Promise(function(n,t){t(e)})},Promise.race=function(e){return new Promise(function(n,t){for(var o=0,r=e.length;o<r;o++)e[o].then(n,t)})},Promise._immediateFn="function"==typeof setImmediate&&function(e){setImmediate(e)}||function(e){setTimeoutFunc(e,0)},Promise._unhandledRejectionFn=function(e){"undefined"!=typeof console&&console&&console.warn("Possible Unhandled Promise Rejection:",e)}} 56var headerHtmlPromise, footerHtmlPromise; 57var customizationObj= PortalInfo.helpCenterInfo.CustomizationDetail
57s || {}; 58if(customizationObj.headerHtml){ 59headerHtmlPromise= makeRequest('GET',customizationObj.headerHtml)//No I18N 60} 61if(customizationObj.footerHtml){ 62footerHtmlPromise= makeRequest('GET',customizationObj.footerHtml)//No I18N 63}</script>
63<link href="https://support.haltech.com/portal/api/helpCenters/309315000000093069/favIcon/5476289000001196299?orgId=672825763" TYPE='IMAGE/X-ICON' REL='SHORTCUT ICON'/> 64<link rel="preload" href='https://profile.zoho.com/file?ot=8&t=serviceorg&ID=672825763' as="image" fetchpriority="high" /> 65<link rel="stylesheet" type="text/css" integrity="sha384-ZRVEemooxolp26IzRWc4ZgisM74gArveBuhHUSS3/QsqDFcGsihzwK9E3jheZe0c" crossorigin="anonymous" href="https://static.zohocdn.com/helpcenter/elegant/css/main.d86bcb5591738de1e32f_.css"></link> 66<style id="customCss"></style> 67 68<link id="customStyleSheet" href="/portal/hccustomize/edbsndab83bda6a605a18494b81368a73ed74cd1dcf847618762393f755c23cb0bd106b92c4c7c333496949bb0c529e849124/stylesheet.css" rel="stylesheet" type="text/css" />
69<script type="text/javascript" nonce="c90b0babbc49c6dd6668ae37eb1fd23d" integrity="sha384-eYRMu36C99gpnuYaoKQkxINh+2RxNEkefQ4u7bGZABnLHAG4+XEMYB+cG5yODwpu" crossorigin="anonymous" defer src="https://static.zohocdn.com/helpcenter/elegant/js/react.vendor.5f2e0edb676dda50e7d4_.js"></script>
vendor: 1 bytes, line 69
69
70<script type="text/javascript" nonce="c90b0babbc49c6dd6668ae37eb1fd23d" integrity="sha384-pYk/UTu1YOK3OwtENTr/KMKho3g2YF8SWVh5BER64Mpm7vf/4sLGLFcTj+hQ7Gij" crossorigin="anonymous" defer src="https://static.zohocdn.com/helpcenter/elegant/js/vendor.8d6f959abd12207bc72d_.js"></script>
vendor: 1 bytes, line 70
70
71<script type="text/javascript" nonce="c90b0babbc49c6dd6668ae37eb1fd23d" integrity="sha384-t+W0DyJynIz3VuHBR/UFqLrBlkppwKvORBl04Xcpk3PEzdS+eqhev1g2XVHfXdD/" crossorigin="anonymous" defer src="https://static.zohocdn.com/helpcenter/elegant/js/main.e0e92533fba6085bc9dc_.js"></script>
vendor: 1 bytes, line 71
71
72<script type="text/javascript" nonce="c90b0babbc49c6dd6668ae37eb1fd23d" integrity="sha384-59gD1ObLiPGQg52HjpCJMs2MML/Hcupv2PYuQkhcqMRU9o2OB4jTBftIwVEC0PCQ" crossorigin="anonymous" defer src="https://static.zohocdn.com/helpcenter/elegant/js/runtime~main.88d7052608839537cc34_.js"></script>
vendor: 1 bytes, line 72
72
73<script type="text/javascript" nonce="c90b0babbc49c6dd6668ae37eb1fd23d" integrity="sha384-jAmjI3a1L28XepMWaFUVig6cEz8RkWnN6BLultbBrJdWDFB5TW5OwJhKkRIH89Gd" crossorigin="anonymous" defer src="https://static.zohocdn.com/helpcenter/elegant/i18n/en_US.c790e8677ec3fd52a5cc.js"></script>
73</head><body class="body"><div id="container"/> 74<h1>1UZ-FE Engine</h1> 75 76<div id="seoBodyContent"><div><div><h1>1UZ-FE Engine</h1></div> 77<div><span><div>Information on the Toyota 1UZ-FE Engine<br /></div><div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><div class="target_moving" id="target_mov_img_48351679508849355"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l8f3807e41539f4baf8c53208ae7de2dfd" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_48351679508849355" data-zdeskdocselectedclass="small" /><br /></div><br /></div><div style="color: rgb(51, 51, 51)"><div><br /></div><div><div><br /></div><div><br /></div><div><br /></div><h2 style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important"><br /></h2><h1 id="Haltech_ECU_Options" class="toc_anchors" style="margin: 0.67em 0px"><span class="size" style="font-size: 32px; line-height: normal">Haltech ECU Options</span><br /></h1><div>All Haltech ECU models can run the engine. Elite 1000 and higher is required to control the factory stepper motor idle valve. Elite 950, 2000, and 2500 are required for sequential injection upgrade.<br /></div><div><div><br /></div><div><br /></div><h3 style="padding: 0px; margin: 1em 0px"><br /></h3><div><br /></div><br /></div><h1 id="General_Information" class="toc_anchors" style="margin: 0.67em 0px"><span style="font-size: 24px"><span class="size" style="font-size: 32px; line-height: normal">General Information</span></span><br /></h1><div><table cellpadding="0" cellspacing="0" class="noBorder" border="1" style="text-align: initial; max-width: 100%; width: 400px; font-size: 16px"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px; width: 270px">Cylinders<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px">8<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px; width: 270px; height: 27px">Displacement<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px"><p style="margin: 0px; padding: 0px; color: rgb(23, 43, 77)">1UZ 3969cc 242ci<br /></p><p style="margin: 10px 0px 0px; padding: 0px; color: rgb(23, 43, 77)">2UZ 4663cc 284ci<br /></p><p style="margin: 10px 0px 0px; padding: 0px; color: rgb(23, 43, 77)">3UZ 4292cc 262ci<br /></p></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px; width: 270px; height: 23px">Firing Order<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px">1,8,4,3,6,5,7,2<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px; width: 270px">Cylinder Orientation<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 0px">1,3,5,7 on LHS (from drivers seat<br /></td></tr></tbody></table><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><h1 id="Model_Variants" class="toc_anchors" style="margin: 1em 0px; padding: 0px">Model Variants<br /></h1><div>There are a number of variants of the 1UZ engine.<br /></div><h2 id="1UZ-FE_1989-1995" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">1UZ-FE (1989-1995)<br /></h2><div>4L V8, alloy block, 10.0:1 comp, 12x crank trigger, 1x cam trigger<br /></div><div><br /></div><h2 id="1UZ-FE_1995-1997" class="toc_anchors">1UZ-FE (1995-1997)<br /></h2><div>10.4:1 comp, 12x crank trigger, 1x cam trigger</div><div><br /></div><h2 id="1UZ-FE_VVTI_1998-on" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">1UZ-FE VVTI (1998-on)<br /></h2><div>10.5:1 comp, Variable Cam Timing on Inlet Cams (continuous type), 36-2 crank trigger, 3x cam trigger</div><div><br /></div><h2 id="2UZ-FE_1998-2005" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">2UZ-FE (1998-2005)<br /></h2><div>4.7L V8, iron block, 36-2 crank trigger, 3x cam trigger</div><div><br /></div><h2 id="2UZ-FE_VVTi_2004-on" class="toc_anchors">2UZ-FE VVTi (2004-on)<br /></h2><div>Variable Cam Timing on Inlet Cams (continuous type), electronic throttle, 36-2 crank trigger, 3x cam trigger</div><div><br /></div><h2 id="3UZ-FE_VVTi" class="toc_anchors">3UZ-FE VVTi<br /></h2><div>
774.3L V8, Alloy block, Variable Cam Timing on Inlet Cams (continuous type), 36-2 crank trigger, 3x cam trigger</div><div><br /></div><div><br /></div><div><h3 id="Common_Models" class="toc_anchors" style="padding: 0px; margin: 1em 0px"><b>Common Models</b><br /></h3><table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; width: 700px; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 185px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Engine Type</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Common Vehicles</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 185px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">1UZ</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div><span class="size" style="font-size: 16px; line-height: normal">Soarer SC400</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">Aristo GS400</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">Celsior LS400</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">Crown</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 185px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">2UZ</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Land Cruiser (MY98-05)</span><div><span style="text-align: initial"><span class="size" style="font-size: 16px; line-height: normal">4Runner (MY99-04)</span></span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">Tundra (MY99-04)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">GX470 (MY02-04)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">LX470 (MY98-05)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div><span class="size" style="font-size: 16px; line-height: normal">Sequoia (MY00-04)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div></td></tr><tr><td style="padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div><span class="size" style="font-size: 16px; line-height: normal">2UZ VVTi</span></div></td><td style="padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div><span style="color: rgb(51, 51, 51); font-size: 14px"><span class="size" style="font-size: 16px; line-height: normal">Land Cruiser (MY05-11)</span></span><div style="color: rgb(51, 51, 51); font-size: 14px"><span style="text-align: initial"><span class="size" style="font-size: 16px; line-height: normal">4Runner (MY05-09)</span></span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div style="color: rgb(51, 51, 51); font-size: 14px"><span class="size" style="font-size: 16px; line-height: normal">Tundra (MY04-09)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div style="color: rgb(51, 51, 51); font-size: 14px"><span class="size" style="font-size: 16px; line-height: normal">GX470 (MY04-09)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div style="color: rgb(51, 51, 51); font-size: 14px"><span class="size" style="font-size: 16px; line-height: normal">LX470 (MY05-07)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div style="color: rgb(51, 51, 51); font-size: 14px"><span class="size" style="font-size: 16px; line-height: normal">Sequoia (MY04-09)</span></div></div></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 185px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">3UZ</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">LS430<div><span style="font-size: 14px; text-align: initial">GS430</span><br /></div><div>Soarer SC430<br /></div><div>Crown Majesta<br /></div><div>Hongqi HQ430</div></span></td></tr></tbody></table></div><div><br /></div><div><br /></div></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div>
77<h1 id="Sensor_Information" class="toc_anchors" style="margin: 0.67em 0px"><span class="size" style="font-size: 32px; line-height: normal">Sensor Information</span><br /></h1><h2 id="CrankCam_Sensor" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important"><b style="font-size: 18px"><span class="size" style="font-size: 24px; line-height: normal">Crank/Cam Sensor</span></b><br /></h2><p style="margin: 0px; padding: 0px">This engines uses a Crank Position Sensor and 2x Cam Position Sensors (1x per bank).<br /></p><div><br /></div><h3 id="Early_1UZ" class="toc_anchors">Early 1UZ</h3><div>These models use a 12x tooth crank trigger and a 1x tooth cam trigger. Configuration is shown below.<br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4a1789eb0efb24d949607ccef2df9c007" style="padding: 0px; max-width: 100%; box-sizing: border-box" class="docsimage" data-zdeskdocid="img_4794875939511871" data-zdeskdocselectedclass="original" /><br /></div><div><br /></div><h3 id="1UZ_VVTi_and_all_2UZ_and_3UZ" class="toc_anchors">1UZ VVTi and all 2UZ and 3UZ</h3><div>These models use a 36-2 tooth crank trigger and a 3x tooth cam trigger. Configuration is shown below.</div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc48932ccfad15141fdaf2298bdeb428bba" style="padding: 0px; max-width: 100%; box-sizing: border-box" class="docsimage currimg" data-zdeskdocid="img_5768384667243294" data-zdeskdocselectedclass="original" /><br /></div><div><br /></div><div><br /></div><div><span class="size" style="font-size: 13px">12x on the Left and 36-2 on the Right</span></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l859618cee0c7e45fc9d2b9db0803ffbf0" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><h3 id="Crank_Sensor" class="toc_anchors" style="padding: 0px; margin: 1em 0px">Crank Sensor<br /></h3><div>A Reluctor crank position sensor is used.<br /></div><div><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=jn0l003fc52969e064f379415794fc2377d94" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l8f80db26fd3c249ca9fc5374e207fc566" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 150px; height: auto" class="docsimage" data-zdeskdocid="img_8864954037098274" data-zdeskdocselectedclass="small" /><br /></div><div><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l8a567024ced6e46ff90bc4b4c959544ff" style="padding: 0px; max-width: 100%; box-sizing: border-box" class="docsimage" data-zdeskdocid="img_09405217156812906" data-zdeskdocselectedclass="original" /><br /></div><div><br /></div><div><br /></div><div><div><br /></div><div><br /></div><h3 id="Cam_Sensor" class="toc_anchors" style="padding: 0px; margin: 1em 0px">Cam Sensor<br /></h3><div><div>Reluctor<i> </i>cam sensors are used. 1UZ motors have these located under the cam drive pulley on each bank. The cam pulley has a backing plate with a single tooth.<br /></div><div><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=jn0l025cadd10ea6d43d0b70cf2cddf793e8c" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l8e0272159b7fd47b88070a56beedf8637" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div><br /></div><div><div><h3 id="VVTi_models" class="toc_anchors">VVTi models</h3><div>These use the same sensor arrangement with a 3-tooth backing plate on the cam pulley.</div><div><br /></div><div><br /></div><div><br /></div><h3><br /></h3><div><br /></div></div><h2 id="Distributor" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">Distributor<br /></h2><div><div>The 1UZ-FE has twin distributors. These do not contain any advance mechanism and are simply there to distribute spark to each cylinder.<br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=jn0l03daf97b001f44050a195febfe99b7525" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div></div></div><div><br /></div></div><div><br /></div><h2 id="Ignition_Coils_and_Igniters" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">Ignition Coils and Igniters<br /></h2><div>Early 1UZ models have 2x igniters and 2x coils. The igniters have the same wiring.<br /></div><div>All models use <b>Constant Charge</b> with a<b> Falling </b>output edge.<br /></div><div><br /></div><div><br /></div></div></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l85cb560f58115451abec5d6b3565a518f" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 669px; height: auto" class="docsimage" data-zdeskdocid="img_7575184414893943" data-zdeskdocselectedclass="best" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style=""><div style=""><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><h3 id="Direct_Fire_Coil_Models" class="toc_anchors" style="padding: 0px; margin: 1em 0px">Direct Fire Coil Models<br /></h3><div>All models with Direct Fire ignition feature coils with internal igniter modules.<br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=herfb12ca65e8b2e2464eb611d486f1118b26" class="docsimage" data-zdeskdocid="img_7274719563227701" data-zdeskdocselectedclass="original" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box; width: 350px; height: 350px" /><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=herfbc98cb982077848aea91c979bfd708d84" class="docsimage" data-zdeskdocid="img_012634362743171312" data-zdeskdocselectedclass="best" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box; width: 220px; height: auto" /><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><h3 id="Dwell_Time" class="toc_anchors" style="padding: 0px; margin: 1em 0px">Dwell Time</h3><div>Distributor Models<br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=at2wg2a33d84408044d6589286911020dd2fc" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box" /><br /></div><div><br /></div><div><br /></div><div>Direct Fire Models<br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=at2wg04da0b54c4e64c948b41f34f77ffeffb" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box" /><br /></div><div><br /></div><div><br /></div><div><br /></div></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="DBW_Throttle_System" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 1em 0px; padding: 0px">DBW Throttle System<br /></h2><div style="color: rgb(51, 51, 51)">Models that have the ETCS-i throttle system are not supported by Haltech.<br /></div><div style="color: rgb(51, 51, 51)">Models that use a normal cable throttle, or have full DBW (no throttle cable) are supported.</div><div style="color: rgb(51, 51, 51)">All variants use a single throttle body.<br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h3 style="color: rgb(51, 51, 51); padding: 0px; margin: 1em 0px"><br /></h3><h3 id="DBW_Throttle_Wiring" class="toc_anchors" style="color: rgb(51, 51, 51); padding: 0px; margin: 1em 0px"><b>DBW Throttle Wiring</b></h3><div style="color: rgb(51, 51, 51)"><b>Position Sensors</b><br /></div><div style="color: rgb(51, 51, 51)">
77<table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 70px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Pin</span></b><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 141.667px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Description</span></b><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 141.667px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b>Haltech Connection</b><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 70px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">1</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 141.667px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">5V+</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 141.667px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">5V+<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 70px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">2</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 141.667px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">TPS2</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 141.667px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">AVI3<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 70px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">4</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 141.667px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">TPS1</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 141.667px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">AVI2<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">5<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">Signal Ground<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">Signal Ground<br /></td></tr></tbody></table><div><br /></div><div><b>Drive Motor</b><br /></div><div>
77<table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; width: 250px; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><span class="size" style="font-size: 16px; line-height: normal"><b>Pin</b></span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><span class="size" style="font-size: 16px; line-height: normal"><b>Haltech Connection</b></span><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">3</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">DBW1</span><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">6</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">DBW2</span><br /></td></tr></tbody></table></div><div><br /></div><div><br /></div><div><br /></div></div><h3 id="DBW_Accelerator_Pedal_Position_Sensors_Connection" class="toc_anchors" style="color: rgb(51, 51, 51); padding: 0px; margin: 1em 0px">DBW Accelerator Pedal Position Sensors Connection<br /></h3><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 85px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Pin</span></b><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 127.333px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Description</span></b><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 127.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b>Haltech Connection</b><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 85px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">1</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 127.333px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 127.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">Signal Ground<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 85px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">2</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 127.333px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">APP2</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 127.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">AVI5<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 85px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">3</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 127.333px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); width: 127.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">Signal Ground<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">4<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">5V+<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">5V+<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">5<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">APP1<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">AVI4<br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">6<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">5V+<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">5V+<br /></td></tr></tbody></table></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><h2 id="Throttle_Position_Sensor" class="toc_anchors" style="margin: 1em 0px; padding: 0px; color: rgb(85, 85, 85) !important">Throttle Position Sensor<br /></h2><div>Early 1UZ models use a cable throttle with a conventional throttle position sensor.</div><div>This engine uses a cable operated throttle body with a position sensor.</div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l85ebb27f147064f40a697fe20bbfd7b5c" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div>
77<table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; width: 355px; font-size: 16px; height: 145px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">OEM Wiring</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Haltech Wiring</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; height: 31px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">A</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">5V+</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">B</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Signal (Spare AVI)</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; height: 33px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">C</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Closed Throttle Switch - NOT USED</span></td></tr><tr><td style="padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div><span class="size" style="font-size: 16px; line-height: normal">D</span></div></td><td style="padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span></td></tr></tbody></table></div></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px"><br /></h2><h2 id="MAP_Sensor" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 1em 0px; padding: 0px">MAP Sensor<br /></h2><div style="color: rgb(51, 51, 51)">These engines do not come with a MAP sensor.</div><div style="color: rgb(51, 51, 51)">Use the internal MAP sensor that comes with your ECU. For higher boost levels an external MAP sensor should be used instead, connected to a spare AVI.<br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&
77blockId=911mv42593d01bc10497caea5e58b212cd3c3" class="docsimage" data-zdeskdocid="img_525517191726059" data-zdeskdocselectedclass="best" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box; width: 191px; height: auto" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h3 style="color: rgb(51, 51, 51); padding: 0px; margin: 1em 0px"><br /></h3><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="Variable_Cams" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">Variable Cams<br /></h2><div style="color: rgb(51, 51, 51)">Engines with VVTi have Toyotas Gen 3 continuously variable cam control. The ECU uses a 3x tooth cam sensor on each inlet cam to know the position of the camshafts relative to the crank position. A duty signal is sent to each cam control solenoid. The solenoid regulates oil pressure being fed into the cam control mechanism to advance or retard the cams to their target position using closed-loop. They cannot be sent to a specific position using open loop.<br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l87aedf0ddf3784f7fa66a2ffdaf73ba70" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="Idle_Valve" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">Idle Valve<br /></h2><div style="color: rgb(51, 51, 51)">The cable throttle 1UZ engine uses a Stepper Motor idle valve controlled via the Stepper Outputs. It will not work on Elite 550/750/950 ECU models.</div><div style="color: rgb(51, 51, 51)"></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l85b2533a00cfe40b98c66437575581782" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160); width: 92px"><b><span class="size" style="font-size: 16px; line-height: normal">Pin</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></b></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160); width: 263px"><b><span class="size" style="font-size: 16px; line-height: normal">Haltech Connection</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); width: 92px"><span class="size" style="font-size: 16px; line-height: normal">A</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); width: 263px"><span class="size" style="font-size: 16px; line-height: normal">Stepper 4</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); width: 92px"><span class="size" style="font-size: 16px; line-height: normal">B</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); width: 263px"><span class="size" style="font-size: 16px; line-height: normal">12V+ Ign Switch or No Connection</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); width: 92px"><span class="size" style="font-size: 16px; line-height: normal">C</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); width: 263px"><span class="size" style="font-size: 16px; line-height: normal">Stepper 3</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); width: 92px"><span class="size" style="font-size: 16px; line-height: normal">D</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); width: 263px"><span class="size" style="font-size: 16px; line-height: normal">Stepper 1</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); width: 92px"><span class="size" style="font-size: 16px; line-height: normal">E</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); width: 263px"><span class="size" style="font-size: 16px; line-height: normal">12V+ Ign Switch or No Connection</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); width: 92px"><span class="size" style="font-size: 16px; line-height: normal">F</span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); width: 263px"><span class="size" style="font-size: 16px; line-height: normal">Stepper 2</span><br /></td></tr></tbody></table></div><div style="color: rgb(51, 51, 51)"><span class="size" style="font-size: 16px; line-height: normal">Drive Type: Low Side if 12V+ is connected. Both if 12V+ is not connected</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></div><div style="color: rgb(51, 51, 51)"><span class="size" style="font-size: 16px; line-height: normal">Steps:240 Speed:75</span><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="Coolant_Temperature" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 1em 0px; padding: 0px">Coolant Temperature<br /></h2><div style="color: rgb(51, 51, 51)">Located near the RHS Distributor.</div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4b4ea57b3150b4ef2b295e432b7604530" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)">Wiring is not polarity sensitive<br /></div><div style="color: rgb(51, 51, 51)"><div>
77<table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; width: 250px; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><span class="size" style="font-size: 16px; line-height: normal"><b>Pin<br /></b></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><span class="size" style="font-size: 16px; line-height: normal"><b>Haltech Connection</b><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)">1<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Any Spare AVI*</span><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">2<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span><br /></td></tr></tbody></table></div><div>An AVI with a selectable Pullup should be used. If not and external 1k pullup to 5V should be connected.<br /></div><div><br /></div></div><div style="color: rgb(51, 51, 51)">Calibration: Use "Temperature - xxxxxxx.cal"<br /></div><div style="color: rgb(51, 51, 51)">Created for Haltech ECUs using a 1k pullup to 5V<br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="Air_Temp" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 1em 0px; padding: 0px">Air Temp<br /></h2><div style="color: rgb(51, 51, 51)">An air temperature sensor is incorporated in the MAF Sensor. If the MAF is deleted then an external Air Temperature Sensor needs to be installed in the intake, preferably in the plenum near to where the MAP sensor connects.</div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)">Haltech 1/8" NPT Air Temp Sensor</div><div style="color: rgb(51, 51, 51)"><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=911mva302fa2f951448fa841e519d367abfd2" class="docsimage" data-zdeskdocid="img_5682119745198038" data-zdeskdocselectedclass="small" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box; width: 200px; height: auto" /><br /></div><div><br /></div><div>Wiring is not polarity sensitive.<br /></div><div><br /></div><div>Calibration: Use "Temperature - GM Air Sensor.cal"<br /></div><div>Created for Haltech ECUs using a 1k pullup to 5V</div></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="Knock_Sensor" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">Knock Sensor<br /></h2><div style="color: rgb(51, 51, 51)">The 1UZ has 2x resonant style single-wire knock sensors located in the intake valley near the starter motor. Although they can be used they are not as reliable as newer donut style resonant sensors.</div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4848cb8319b7d4aafb4c2c75f8ab9da40" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)">Recommended Knock Sensor. Haltech HT-011100<br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4ecc5ce042d2e48d38b5e295116b2aa74" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 215px; height: auto" class="docsimage" data-zdeskdocid="img_12323893077350379" data-zdeskdocselectedclass="small" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="MAF_Sensor" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">MAF Sensor<br /></h2><div style="color: rgb(51, 51, 51)">Although most users of Haltech ECUs will be deleting the MAF, it is possible to use a MAF if you prefer. It also incorporates an Air Temperature Sensor, so if the MAF Sensor is removed a new Air Temperature Sensor must be installed in the intake.</div><h3 id="1UZ_Early" class="toc_anchors" style="color: rgb(51, 51, 51)">1UZ Early</h3><div style="color: rgb(51, 51, 51)">The early 1UZ use a Frequency based MAF Sensor. It is not a normal 0-5V signal.<br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4312303cf14e7448d8557edce40dfeee6" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l8c422a411babc4bdca57c37e4faf1792d" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><div class="target_moving" id="target_mov_img_8472118716915915">
77<table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 95px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Pin</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="width: 176px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><div>OEM Wire Colour</div></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 176px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Connection</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 95px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">1</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="width: 176px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>Brown</div></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 176px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; height: 23px; width: 95px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">2</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="width: 176px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>Yellow/Black</div></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 176px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Air Temperature (AVI)</span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 95px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">3</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="width: 176px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>Yellow/Green</div></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 176px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">MAF Signal (SPI or DPI)</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 95px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">4</span><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="width: 176px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>Blue/Red</div></td><td style="font-stretch: normal; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; width: 176px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">5V+</td></tr><tr><td style="padding: 4px; width: 95px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div><span class="size" style="font-size: 16px; line-height: normal">5</span></div></td><td style="width: 176px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>Brown</div></td><td style="padding: 4px; width: 176px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span></div></td></tr></tbody></table></div><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h3 id="2UZ" class="toc_anchors" style="color: rgb(51, 51, 51)">2UZ</h3><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4c42f20c9a5af404ea3f7258f1178f3a0" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 177.5px; height: auto" class="docsimage" data-zdeskdocid="img_7890044376128169" data-zdeskdocselectedclass="best" /><br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc40320fa1d245d4c2d8073684178bfa826" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 240px; height: auto" class="docsimage" data-zdeskdocid="img_7154472263373186" data-zdeskdocselectedclass="best" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><table cellpadding="0" cellspacing="0" border="1" style="font-size: 16px; text-align: initial;
77 border-collapse: collapse" class="noBorderWithRowOddColor"><tbody><tr><td style="width: 84px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><div>Pin</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><div>Description</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><div>Haltech Connection</div></td></tr><tr><td style="width: 84px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>1</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>B+ (Power)</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>12V+</div></td></tr><tr><td style="width: 84px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>2</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>E2G (MAF Ground)</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>Signal Ground</div></td></tr><tr><td style="width: 84px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>3</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>VG (MAF Signal)</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>SPI or DPI</div></td></tr><tr><td style="width: 84px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>4</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><div>THA (Air Temp Signal)</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)">AVI</td></tr><tr><td style="width: 84px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>5</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>E2 (Air Temp Ground)</div></td><td style="width: 172.333px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><div>Signal Ground</div></td></tr></tbody></table><br /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><h2 id="O2_Sensors" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">O2 Sensors<br /></h2><div>1UZ engines have 4x Narrowband 4-wire O2 sensors. Narrowband sensors are not useful for tuning and are used primarily for catalytic converter efficiency.<br /></div><div><br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc40a4973d509e041cd99171237878863ff" style="padding: 0px; max-width: 100%; box-sizing: border-box" /><br /></div><div><br /></div><div><table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; color: rgb(51, 51, 51); width: 600px; font-size: 16px; border-collapse: collapse"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">O2 Sensor Wire Colours</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Haltech Connection</span></b><span class="size" style="font-size: 16px; line-height: normal"><br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; height: 24px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Black (Signal)<br /></span></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">AVI 1 or AVI 6<br /></span></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Grey</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground (Black/White)</span><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">White</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">12V+ Switched</span><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">White</span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Chassis Ground (not Signal Ground) or Spare Output</span><br /></td></tr></tbody></table><div>It is possible for the ECU to supply a duty signal to the Heater Ground, with many OEM ECUs doing this. Haltech ECUs can also perform this task and a spare Injector or Stepper Output should be used.<br /></div><div>O2 Sensors can use various wattage heater elements, with 12W and 18W being common. For 18W units it is advised to not supply more than ~50% duty to prevent excessive current being applied to the ECU output.<br /></div><div><br /></div><div>For post-cat sensors it is advised to not enable the heater ground control until the engine is at full operating temperature. This is to prevent moisture in the exhaust from a cold started engine from damaging the heater element. Many OEM strategies involve not enabling the heater until the engine have been driven above a set speed for a set amount of time.<br /></div><div><br /></div><div><br /></div><h3 id="Adding_a_Haltech_Wideband_Kit_highly_recommended" class="toc_anchors" style="padding: 0px; margin: 1em 0px">Adding a Haltech Wideband Kit (highly recommended)<br /></h3></div><div>For correct operation a Haltech WB2 kit is highly recommended for this application, with the provided 4.9 sensors replacing the pre-cat sensors. Swapping the sensors is accessed only from below the vehicle. Sensors use a 22mm socket or spanner to remove and replace.<br /></div><div><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=14xbd77f3c03766d04d5c998aacd59d77c07c" class="docsimage" data-zdeskdocid="img_5349314469852089" data-zdeskdocselectedclass="best" style="border: 0px none; max-width: 100%; cursor: pointer; padding: 0px; box-sizing: border-box; width: 600px; height: auto" /><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><h2 id="Vehicle_Speed_Sensor" class="toc_anchors" style="margin: 0.83em 0px; padding: 0px; color: rgb(85, 85, 85) !important">Vehicle Speed Sensor<br /></h2><div>This engine uses a Reluctor Vehicle Speed sensor.<br /></div><div><br /></div><div>Reluctor Speed Sensor Wiring<br /></div><div>
77<table cellpadding="0" cellspacing="0" border="1" class="noBorderWithRowOddColor" style="text-align: initial; max-width: 100%; width: 301px; font-size: 16px; border-collapse: collapse; height: 99px"><tbody><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); height: 24px; padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><span class="size" style="font-size: 16px; line-height: normal"><b>OEM Wiring</b></span><br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgb(137, 150, 160)"><b><span class="size" style="font-size: 16px; line-height: normal">Description</span></b><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15); height: 36px">Signal +<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.15)"><span class="size" style="font-size: 16px; line-height: normal">Any Spare SPI</span><br /></td></tr><tr><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3); height: 32px">Signal -<br /></td><td style="font-stretch: normal; font-size: 14px; line-height: 18px; color: rgb(51, 51, 51); padding: 4px; border: 2px solid rgb(255, 255, 255); background-color: rgba(137, 150, 160, 0.3)"><span class="size" style="font-size: 16px; line-height: normal">Signal Ground</span><br /></td></tr></tbody></table></div><div><br /></div><div><br /></div><div><br /></div></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="Injector_Data" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">Injector Data<br /></h2><div style="color: rgb(51, 51, 51)">Early 1UZ engines have only 4x injector outputs from the OEM ECU, run as semi sequential. They are joined in the OEM wiring as 1+7, 2+8, 3+5, 4+6</div><div style="color: rgb(51, 51, 51)">1UZ VVTi and all 2UZ and 3UZ engines have sequential injection</div><div style="color: rgb(51, 51, 51)"><br /></div><h3 id="Flow" class="toc_anchors" style="color: rgb(51, 51, 51)">Flow</h3><div style="color: rgb(51, 51, 51)">The injector flow rate is measured with the injectors held wide open at 100% duty. For fuel systems with a fixed regulator pressure (often returnless systems) that is not referenced to manifold pressure the flow needs to be mapped over Manifold Pressure for accurate tuning.<br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)">Early 1UZ-FE have 240cc/min injectors.</div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h3 id="Dead_Time" class="toc_anchors" style="color: rgb(51, 51, 51); padding: 0px; margin: 1em 0px">Dead Time<br /></h3><div style="color: rgb(51, 51, 51)">When an injector is commanded to open for a certain amount of time, the dead time is the amount of time the injector is not actually open during this period. It covers the time to energise the solenoid and begin to open and the time to close as well. There are also transient periods during which the injector is opening and closing where fuel flow is not at full capacity so this lost peak flow period is also taken into account. <br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div>
77<h1 id="OEM_ECU_Information" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">OEM ECU Information<br /></h1><div>There are a number of different ECU connectors found on the 1UZ, 2UZ and 3UZ ECUs.</div><div><br /></div><h2 id="1UZ-FE_ECU" class="toc_anchors">1UZ-FE ECU</h2><div style="color: rgb(51, 51, 51)"><div class="target_moving" id="target_mov_img_650632024056951"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hh7l8a6357207d7464fb18233752dc0c5fd7e" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 250px; height: auto" class="docsimage" data-zdeskdocid="img_650632024056951" data-zdeskdocselectedclass="small" /></div><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)">LS400 (MY98-00)<br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4f1a0266343644c6492d9cb6e253cfd73" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 320px; height: auto" class="docsimage" data-zdeskdocid="img_951703948696953" data-zdeskdocselectedclass="small" /> <img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc445ad82a724e24d33a0e94e30b18822fa" class="docsimage" data-zdeskdocid="img_11146967805822094" data-zdeskdocselectedclass="small" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 320px; height: auto" /><br /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)">Soarer UZZ30<br /></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4140e03e5054e4254932cd3f378161c53" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_9046465447074012" data-zdeskdocselectedclass="small" /> <img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4a88c93a3314d4e5e9f6aa83e6b142f00" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_5109307571047681" data-zdeskdocselectedclass="small" /><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 style="color: rgb(51, 51, 51)" id="2UZ-FE_ECU" class="toc_anchors">2UZ-FE ECU</h2><div style="color: rgb(51, 51, 51)"><div class="target_moving" id="target_mov_img_13419739868247293"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4abeac23aab004e538bedca6307a34e7a" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_13419739868247293" data-zdeskdocselectedclass="small" /> <img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4b40462897b4d4d9d92ed26c67f22d0d6" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_171066001126841" data-zdeskdocselectedclass="small" /></div><div><br /></div><div><br /></div><h2 id="3UZ-FE_ECU" class="toc_anchors">3UZ-FE ECU</h2></div><div style="color: rgb(51, 51, 51)"><img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4e470d60955e04db2900edcdcd813f7a3" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_40799392540688273" data-zdeskdocselectedclass="small" /> <img src="https://desk.zoho.com/DocsDisplay?zgId=672825763&mode=inline&blockId=hhbc4dbe595d6a1f54c0a8739ba07b84c4e16" style="padding: 0px; max-width: 100%; box-sizing: border-box; width: 334.5px; height: auto" class="docsimage" data-zdeskdocid="img_9480369698064766" data-zdeskdocselectedclass="small" /><br /></div><h2 style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px"><br /></h2><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><h2 id="ECU_Pinout" class="toc_anchors" style="color: rgb(85, 85, 85) !important; margin: 0.83em 0px; padding: 0px">ECU Pinout<br /></h2><div style=""><font color="#ff3333"><i>TBA</i></font></div><div style="color: rgb(51, 51, 51)"> <br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div><div style="color: rgb(51, 51, 51)"><br /></div></div></div></div><div id="resizeDiv" style="top: 14555.2998px; left: 816px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div><div id="resizeDiv" style="top: 14555.2998px; left: 543px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div><div id="resizeDiv" style="top: 14555.2998px; left: 454px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div><div id="resizeDiv" style="top: 14555.2998px; left: 454px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div><div id="resizeDiv" style="top: 14555.2998px; left: 454px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div><div id="resizeDiv" style="top: 14555.2998px; left: 454px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div><div id="resizeDiv" style="top: 12557.0996px; left: -4px; height: 16px; width: 16px; position: absolute; background-repeat: no-repeat; cursor: se-resize"></div></span><div> 78</div> 79<ul></ul> 80<ul><li><h1>Related Articles</h1></li> 81<li>
81<a href="https://support.haltech.com/portal/en/kb/articles/fz-engine" rel="noopener" target="_blank" ><h2>Toyota 1FZ-FE Engine</h2></a><div><span>Information on the Toyota 1FZ-FE engine. The 1FZ-F is a carburettor version and is not covered in this guide. 80-Series 1FZ-FE with Distributor ignition 100-series 1FZ-FE with Waste Spark ignition and crank/cam sensors Haltech ECU Options Engine is ...</span></div></li> 82<li><a href="https://support.haltech.com/portal/en/kb/articles/1nz-fe-engine" rel="noopener" target="_blank" ><h2>1NZ-FE Engine</h2></a><div><span>Information on the Toyota 1NZ-FE and 2NZ-FE engine. It does not cover the hybrid or Atkinson cycle variants. General Information Cylinders 4 Displacement 1NZ 1497cc 2NZ 1299cc Firing Order 1,3,4,2 CAN These vehicles use CAN bus for various devices ...</span></div></li> 83<li><a href="https://support.haltech.com/portal/en/kb/articles/2az-fe-engine" rel="noopener" target="_blank" ><h2>2AZ-FE Engine</h2></a><div><span>Information on the Toyota 2AZ-FE 2.4L engine Haltech ECU Options The Elite 1500 or 2500 are suitable for this engine General Information Cylinders 4 Displacement 1AZ 1998cc 2AZ 2362cc Firing Order 1,3,4,2 CAN This vehicles uses CAN bus for various ...</span></div></li> 84<li><a href="https://support.haltech.com/portal/en/kb/articles/engine-control-relay" rel="noopener" target="_blank" ><h2>Engine Control Relay</h2></a><div><span>Engine Control Relay The Engine Control Relay function allows the Nexus ECU to control the 12V+ power supply to certain parts of the engine management, such as injectors and ignition coils. This function should remain enabled when a Haltech supplied ...</span></div></li> 85<li><a href="https://support.haltech.com/portal/en/kb/articles/alloytec-engine-inlet-vvt-only" rel="noopener" target="_blank" ><h2>LY7 LE0 Alloytec Engine</h2></a><div><span>Information on the GM LY7 High Feature Alloytec V6 engine.  It will be referred to in this guide as the Alloytec. Haltech ECU Options The Elite 2000 can be used without DBW, the Elite 2500 is required with DBW. General Information Cylinders 6 ...</span></div></li> 86</ul> 87</div>
88<script nonce="c90b0babbc49c6dd6668ae37eb1fd23d">window.addEventListener('DOMContentLoaded', function() { 89if (typeof renderApp === 'function') { 90renderApp(); 91} 92});</script>
92 93</body></html>
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.