Engine Control System - Introduction

• Service Information
  • Index For DTC
    • U0101 - U1001
    • P0011 - P0081
    • P0101 - P0128
    • P0130 - P0159
    • P0171 - P0223
    • P0300 - P0308
    • P0327 - P0430
    • P0441 - P0456
    • P0460 - P0643
    • P0700 - P0745
    • P0850 - P1421
    • P1550 - P1574
    • P1610 - P1774
    • P1800 - P2A03
  • Precautions
    • Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
    • Precaution for Procedure without Cowl Top Cover
    • On Board Diagnosis (OBD) System of Engine and A/T
    • Precaution
  • Preparation
    • Special Service Tool
    • Commercial Service Tool
  • Engine Control System
    • Schematic
    • Multiport Fuel Injection (MFI) System
      • Input/Output Signal Chart
      • System Description
      • Various Fuel Injection Increase/Decrease Compensation
      • Mixture Ratio Feedback Control (Closed Loop Control)
      • Mixture Ratio Self-Learning Control
      • Fuel Injection Timing
      • Fuel Shut-Off
    • Electronic Ignition (EI) System
      • Input/Output Signal Chart
      • System Description
    • Fuel Cut Control (At No Load and High Engine Speed)
      • Input/Output Signal Chart
      • System Description
  • Air Conditioning Cut Control
    • Input/Output Signal Chart
    • System Description
  • Automatic Speed Control Device (ASCD)
    • System Description
      • Input/Output Signal Chart
      • Basic ASCD System
      • Set Operation
      • Accelerate Operation
      • Cancel Operation
      • Coast Operation
      • Resume Operation
    • Component Description
      • ASCD Steering Switch
      • ASCD Brake Switch
      • Stop Lamp Switch
      • Electric Throttle Control Actuator
      • ASCD Indicator
  • Can Communication
    • System Description
  • Evaporative Emission System
    • Description
      • System Description
      • Evaporative Emission Line Drawing
    • Component Inspection
      • EVAP Canister
      • Fuel Tank Vacuum Relief Valve (Built Into Fuel Filler Cap)
      • EVAP Canister Purge Volume Control Solenoid Valve
      • Fuel Tank Temperature Sensor
      • EVAP Canister Vent Control Valve
      • EVAP Control System Pressure Sensor
      • EVAP Service Port
    • Removal and Installation
      • EVAP Canister
      • EVAP Canister Vent Control Valve
    • How to Detect EVAP Leakage
      • Notes
      • With Consult-III
      • Without Consult-III
  • On Board Refueling Vapor Recovery (ORVR)
    • System Description
    • Diagnosis Procedure
      • Symptom: Fuel Odor From EVAP Canister Is Strong
      • Symptom: Cannot Refuel/Fuel Odor From The Fuel Filler Opening Is Strong While Refueling
    • Component Inspection
      • Refueling EVAP Vapor Cut Valve
        • With CONSULT-III
        • Without CONSULT-III
  • Positive Crankcase Ventilation
    • Description
      • System Description
    • Component Inspection
      • PCV (Positive Crankcase Ventilation) Valve
      • PCV Valve Ventilation Hose
  • IVIS (INFINITI Vehicle Immobilizer System-NATS)
    • Description
  • On Board Diagnostic (OBD) System
    • Introduction
    • Two Trip Detection Logic
    • Emission-Related Diagnostic Information
      • Emission-Related Diagnostic Information Items
      • DTC And 1ST Trip DTC
        • Notes
        • How to Read DTC and 1st Trip DTC
      • Freeze Frame Data And 1ST Trip Freeze Frame Data
      • System Readiness Test (SRT) Code
        • Notes
        • SRT Item
        • SRT Set Timing
        • SRT Service Procedure
        • How to Display SRT Status
        • How to Set SRT Code
        • Driving Pattern
      • Test Value And Test Limit (GST Only - Not Applicable To Consult-III)
      • How To Erase Emission-Related Diagnostic Information
        • How to Erase DTC
    • Malfunction Indicator Lamp (MIL)
      • Description
      • On Board Diagnostic System Function
      • How To Switch Diagnostic Test Mode
        • Notes
        • How to Set Diagnostic Test Mode II (Self-diagnostic Results)
        • How to Erase Diagnostic Test Mode II (Self-diagnostic Results)
      • Diagnostic Test Mode I - Bulb Check
      • Diagnostic Test Mode I - Malfunction Warning
      • Diagnostic Test Mode II - Self-Diagnostic Results
    • OBD System Operation Chart
      • Relationship Between Mil, 1ST Trip DTC, DTC, And Detectable Items
      • Summary Chart
      • Relationship Between Mil, DTC, 1ST Trip DTC And Driving Patterns For "Misfire" <Exhaust Quality Deterioration>, "Fuel Injection System"
      • Explanation For Driving Patterns For "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"
      • Relationship Between Mil, DTC, 1ST Trip DTC And Driving Patterns Except For "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"
      • Explanation For Driving Patterns Except For "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"
  • Basic Service Procedure
    • Basic Inspection
    • Idle Speed and Ignition Timing Check
      • Idle Speed
        • With CONSULT-III
        • With GST
      • Ignition Timing
    • Procedure After Replacing ECM
    • VIN Registration
      • Description
      • Operation Procedure
        • With CONSULT-III
    • Accelerator Pedal Released Position Learning
      • Description
      • Operation Procedure
    • Throttle Valve Closed Position Learning
      • Description
      • Operation Procedure
    • Idle Air Volume Learning
      • Description
      • Preparation
      • Operation Procedure
        • With CONSULT-III
        • Without CONSULT-III
      • Diagnostic Procedure
    • Fuel Pressure Check
      • Fuel Pressure Release
        • With CONSULT-III
        • Without CONSULT-III
      • Fuel Pressure Check
  • Trouble Diagnosis
    • Trouble Diagnosis Introduction
      • Introduction
      • Work Flow
        • Overall Sequence
        • Detailed Flow
      • Diagnostic Worksheet
        • Description
        • Worksheet Sample
    • DTC Inspection Priority Chart
    • Fail-Safe Chart
    • Symptom Matrix Chart
      • System - Basic Engine Control System
      • System - Engine Mechanical & Other
    • Engine Control Component Parts Location
    • Vacuum Hose Drawing
    • Circuit Diagram
    • ECM Harness Connector Terminal Layout
    • ECM Terminal and Reference Value
      • Preparation
      • ECM Inspection Table
    • CONSULT-III Function
      • Function
      • Engine Control Component Parts/Control Systems Application
      • Work Support Mode
        • Work Item
      • Self Diagnostic Result Mode
        • Self Diagnostic Item
        • Freeze Frame Data and 1st Trip Freeze Frame Data
      • Data Monitor Mode
        • Monitored Item
      • Active Test Mode
        • Test Item
      • DTC & SRT Confirmation Mode
        • SRT STATUS Mode
        • SRT WORK SUPPORT Mode
        • DTC WORK SUPPORT Mode
    • Generic Scan Tool (GST) Function
      • Description
      • Function
      • Inspection Procedure
    • CONSULT-III Reference Value in Data Monitor Mode
  • Trouble Diagnosis - Specification Value
    • Description
    • Testing Condition
    • Inspection Procedure
    • Diagnosis Procedure
      • Overall Sequence
      • Detailed Procedure
  • Trouble Diagnosis For Intermittent Incident
    • Description
    • Diagnosis Procedure
  • Power Supply And Ground Circuit
    • Wiring Diagram
    • Diagnosis Procedure
    • Ground Inspection