[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-655198-105":59,"doc-detail-655198-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","ec-engine-control-system","EC - ENGINE CONTROL SYSTEM","","Engine Control System section covering key diagnostic and service information for engine management. Includes DTC index references, service precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER”, battery service, and procedures without cowl top cover. Provides preparation tools, system diagrams, detailed coverage of MFI, Electronic Ignition, fuel cut control, air conditioning cut control, ASCD, CAN communication, EVAP emission, ORVR, PCV, immobilizer and OBD diagnostics, followed by basic service procedures, inspection checkpoints, and trouble diagnosis with priority, fail-safe, symptom matrices, circuit and harness terminal references.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/ec-engine-control-system/655198/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/ec-engine-control-system/655198.png","ImageObject",300,407,{"name":92,"@type":93},"Indoniesian Boy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-10-25",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What DTC index references are provided in the Engine Control System section?","Question",{"text":112,"@type":113},"The section includes an INDEX FOR DTC with both DTC No. Index and an Alphabetical Index for locating diagnostic trouble code information.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which engine control subsystem topics are covered?",{"text":117,"@type":113},"Coverage includes Multiport Fuel Injection (MFI), Electronic Ignition (EI), fuel cut control, air conditioning cut control, Automatic Speed Control Device (ASCD), CAN communication, EVAP emission, ORVR, and PCV.",{"name":119,"@type":110,"acceptedAnswer":120},"What is included in the trouble diagnosis workflow?",{"text":121,"@type":113},"The workflow includes trouble diagnosis introduction, DTC inspection priority chart, fail-safe chart, symptom matrix chart, component parts location, vacuum hose drawing, circuit diagram, and ECM harness connector terminal layout with reference values.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},655198,1793074731,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":29,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962090760608,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","B ENGINE  \nSECTION EC  \nENGINE CONTROL SYSTEM  \nCONTENTS  \nINDEX FOR DTC ....................................................... 8  \nDTC No. Index ........................................................ 8  \nAlphabetical Index ................................................. 13  \nPRECAUTIONS ....................................................... 18  \nPrecautions for Supplemental Restraint System (SRS)“AIR BAG” and “SEAT BELT PRE-TENSIONER” ............................................................... 18  \nPrecautions for Battery Service ............................. 18  \nPrecautionsfor ProcedureswithoutCowlTopCove.r.. 18  \nOn Board Diagnostic (OBD) System of Engine and A/T ......................................................................... 18  \nPrecaution ............................................................. 19  \nPREPARATION ........................................................ 22  \nSpecial Service Tools ............................................ 22  \nCommercial Service Tools ..................................... 23  \nENGINE CONTROL SYSTEM ................................. 24  \nSystem Diagram .................................................... 24  \nMultiport Fuel Injection (MFI) System ................... 25  \nElectronic Ignition (EI) System .............................. 27  \nFuel Cut Control (at No Load and High Engine Speed) ................................................................... 28  \nAIR CONDITIONING CUT CONTROL .................... 29  \nInput/Output Signal Chart ...................................... 29  \nSystem Description ............................................... 29  \nAUTOMATIC SPEED CONTROL DEVICE (ASCD .. 30  \nSystem Description ............................................... 30  \nComponent Description ......................................... 31  \nCAN COMMUNICATION ......................................... 32  \nSystem Description ............................................... 32  \nEVAPORATIVE EMISSION SYSTEM ...................... 33  \nDescription ............................................................ 33  \nComponent Inspection .......................................... 36  \nRemoval and Installation ....................................... 37  \nHow to Detect Fuel Vapor Leakage ...................... 37  \nON BOARD REFUELING VAPOR RECOVERY (ORVR) ..................................................................... 39  \nSystem Description ............................................... 39  \nDiagnostic Procedure ............................................ 40  \nComponent Inspection .......................................... 42  \nPOSITIVE CRANKCASE VENTILATION ................ 44  \nDescription ............................................................. 44  \nComponent Inspection ........................................... 45  \nNVIS (NISSAN VEHICLE IMMOBILIZER SYSTEMNATS) ....................................................................... 46  \nDescription ............................................................. 46  \nON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 47  \nIntroduction ............................................................ 47  \nTwo Trip Detection Logic ....................................... 47  \nEmission-related Diagnostic Information ............... 48  \nMalfunction Indicator Lamp (MIL) .......................... 62  \nOBD System Operation Chart ............................... 65  \nBASIC SERVICE PROCEDURE .............................. 71  \nBasic Inspection .................................................... 71  \nIdle Speed and Ignition Timing Check ................... 76  \nProcedure After Replacing ECM ........................... 76  \nVIN Registration .................................................... 76  \nExhaust Valve Timing Control Learning ................. 76  \nAccelerator Pedal Released Position Learning ..... 77  \nThrottle Valve Closed Position Learning ................ 77  \nIdle Air Volume Learning ....................................... ","cbCaiuE9GEx5Sb2i","https://ap.wps.com/l/cbCaiuE9GEx5Sb2i","pdf",19521611,720,"English","# INDEX FOR DTC\n## DTC No. Index\n## Alphabetical Index\n# PRECAUTIONS\n## Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER”\n## Precautions for Battery Service\n## Precautions for Procedures without Cowl Top Cover\n## On Board Diagnostic (OBD) System of Engine and A/T\n## Precaution\n# PREPARATION\n## Special Service Tools\n## Commercial Service Tools\n# ENGINE CONTROL SYSTEM\n## System Diagram\n## Multiport Fuel Injection (MFI) System\n## Electronic Ignition (EI) System\n## Fuel Cut Control\n## AIR CONDITIONING CUT CONTROL\n## Input/Output Signal Chart\n## System Description\n# AUTOMATIC SPEED CONTROL DEVICE (ASCD)\n## System Description\n# Component Description\n# CAN COMMUNICATION\n## System Description\n# EVAPORATIVE EMISSION SYSTEM\n## Description\n## Component Inspection\n## Removal and Installation\n# ON BOARD REFUELING VAPOR RECOVERY (ORVR)\n## System Description\n## Diagnostic Procedure\n## Component Inspection\n# POSITIVE CRANKCASE VENTILATION\n## Description\n## Component Inspection\n# NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM)\n## Description\n# ON BOARD DIAGNOSTIC (OBD) SYSTEM\n## Introduction\n## Two Trip Detection Logic\n## Emission-related Diagnostic Information\n## Malfunction Indicator Lamp (MIL)\n## OBD System Operation Chart\n# BASIC SERVICE PROCEDURE\n## Basic Inspection\n## Idle Speed and Ignition Timing Check\n## Procedure After Replacing ECM\n## VIN Registration\n## Learning Procedures\n# TROUBLE DIAGNOSIS\n## Trouble Diagnosis Introduction\n## DTC Inspection Priority Chart\n## Fail-safe Chart\n## Symptom Matrix Chart\n## Engine Control Component Parts Location\n## Vacuum Hose Drawing\n## Circuit Diagram\n## ECM Harness Connector Terminal Layout\n## ECM Terminals and Reference Value\n# CONSULT-III Function (ENGINE)\n## Generic Scan Tool (GST) Function\n## CONSULT-III Reference Value in Data Monitor\n# TROUBLE DIAGNOSIS-SPECIFICATION VALUE\n## Description\n## Testing Condition\n## Inspection Procedure\n## Diagnostic Procedure\n# TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-DENT\n## Description\n## Diagnostic Procedure\n# POWER SUPPLY AND GROUND CIRCUIT\n## Wiring Diagram\n## Diagnostic Procedure\n## Ground Inspection","[{\"question\":\"What DTC index references are provided in the Engine Control System section?\",\"answer\":\"The section includes an INDEX FOR DTC with both DTC No. Index and an Alphabetical Index for locating diagnostic trouble code information.\"},{\"question\":\"Which engine control subsystem topics are covered?\",\"answer\":\"Coverage includes Multiport Fuel Injection (MFI), Electronic Ignition (EI), fuel cut control, air conditioning cut control, Automatic Speed Control Device (ASCD), CAN communication, EVAP emission, ORVR, and PCV.\"},{\"question\":\"What is included in the trouble diagnosis workflow?\",\"answer\":\"The workflow includes trouble diagnosis introduction, DTC inspection priority chart, fail-safe chart, symptom matrix chart, component parts location, vacuum hose drawing, circuit diagram, and ECM harness connector terminal layout with reference values.\"}]","EC - ENGINE CONTROL SYSTEM | PDF",1792960059,1814]