Section 9 (Engine Control System - Introduction (MR20DE) (CALIFORNIA))

• Service Information
  • Index For DTC
    • DTC Index
    • U0101-U1001
    • P0011-P0075
    • P0101-P0128
    • P0130-P0198
    • P0222-P0420
    • P0441-P0463
    • P0500-P0643
    • P0705-P0840
    • P0850-P1574
    • P1610-P1615
    • P1715-P1805
    • P2004-P2A00
  • Precautions
    • Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
      • Notes
      • Precautions When Using Power Tools (Air Or Electric) And Hammers
    • Precaution for Procedure without Cowl Top Cover
    • On Board Diagnosis (OBD) System of Engine and CVT
    • 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
        • Notes
        • Sequential Multiport Fuel Injection System
        • Simultaneous Multiport Fuel Injection System
      • 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
      • ASCD Clutch 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
  • 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
      • Drain Filter
  • Positive Crankcase Ventilation
    • Description
      • System Description
    • Component Inspection
      • PCV (Positive Crankcase Ventilation) Valve
      • PCV Valve Ventilation Hose
  • NVIS (NISSAN Vehicle Immobilizer System-NATS)
    • Description
  • Fuel Filler Cap Warning System
    • System Diagram
    • System Description
      • Input/Output Signal Chart
      • System 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
      • Permanent Diagnostic Trouble Code (Permanent DTC)
        • Notes
        • Permanent DTC Item
        • Permanent DTC Set Timing
        • Permanent DTC Service Procedure
        • How to Display Permanent DTC Status
      • Test Value And Test Limit (GST Only - Not Applicable To Consult)
      • How To Erase Emission-Related Diagnostic Information
        • How to Erase DTC
        • How to Erase Permanent DTC
        • Driving Pattern
    • Malfunction Indicator Lamp (MIL)
      • Description
      • On Board Diagnostic System Function
        • Notes
        • MIL Flashing Without DTC
      • 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
        • Notes
        • How to Erase 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 ", "Fuel Injection System"
        • <Driving Pattern B>
        • <Driving Pattern C>
      • 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 ", "Fuel Injection System"
        • <Driving Pattern A>
        • <Driving Pattern B>
  • Basic Service Procedure
    • Basic Inspection
    • Idle Speed and Ignition Timing Check
      • Idle Speed
      • Ignition Timing
        • Notes
        • Method A
        • Method B
    • Procedure After Replacing ECM
    • VIN Registration
      • Description
      • Operation Procedure
    • Accelerator Pedal Released Position Learning
      • Description
      • Operation Procedure
    • Throttle Valve Closed Position Learning
      • Description
      • Operation Procedure
    • Idle Air Volume Learning
      • Description
      • Preparation
      • Operation Procedure
      • Diagnostic Procedure
    • Fuel Pressure Check
      • Fuel Pressure Release
      • 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 Function (ENGINE)
      • Function
      • Work Support Mode
        • Work Item
      • Self-Diag Results Mode
        • Self Diagnostic Item
        • How to Read DTC and 1st Trip DTC
        • How to Erase DTC and 1st Trip DTC
        • 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
        • PERMANENT DTC STATUS Mode
        • SRT WORK SUPPORT Mode
        • PERMANENT DTC WORK SUPPORT Mode
        • DTC WORK SUPPORT Mode
    • Generic Scan Tool (GST) Function
      • Description
      • Function
      • Inspection Procedure
    • CONSULT Reference Value in Data Monitor
  • 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