Engine Control System (VQ40DE) - (1 Of 5)

• Precautions
  • Precaution for Procedure without Cowl Top Cover
  • Precautions: On Board Diagnosis (OBD) System of Engine and A/T
  • Precaution for Work
• General Description
  • Multiport Fuel Injection System: System Description
    • Input/Output Signal Chart
    • System Description
    • Various Fuel Injection Increase/Decrease Compensation
      • Notes
      • < Fuel increase >
      • < Fuel decrease >
    • Mixture Ratio Feedback Control (Closed Loop Control)
      • Notes
      • Open Loop Control
    • Mixture Ratio Self-Learning Control
    • Fuel Injection Timing
      • Notes
      • Sequential Multiport Fuel Injection System
      • Simultaneous Multiport Fuel Injection System
    • Fuel Shut-Off
  • Electric Ignition System: System Description
    • Input/Output Signal Chart
    • System Description
  • Air Conditioning Cut Control: Input/Output Signal Chart
  • Air Conditioning Cut Control: System Description
  • ASCD: System Description
    • Input/Output Signal Chart
    • Basic ASCD System
    • Set Operation
    • Accelerate Operation
    • Cancel Operation
    • Coast Operation
    • Resume Operation
  • ASCD: Component Description
    • ASCD Steering Switch
    • ASCD Brake Switch
    • ASCD Clutch Switch
    • Stop Lamp Switch
    • Electric Throttle Control Actuator
    • ASCD Indicator
  • CAN Communication: System Description
  • Cooling Fan Control: Description
    • System Description
      • Cooling Fan Control
      • Cooling Fan Operation
      • Cooling Fan Relay Operation
  • Intake Valve Timing Control: Description
    • System Description
  • Variable Induction Air System: Description
    • System Description
    • Component Description
      • Power Valve
      • VIAS Control Solenoid Valve
  • OBD System: Introduction
  • OBD System: Two Trip Detection Logic
• Schematic and Routing Diagram
  • Engine Control System: System Diagram
• Component Location
  • Engine Control Component Parts Location
    • Variable Induction Air System: Vacuum Hose Drawing
• Diagnostic Information and Procedures
  • Diagnosis and Repair Workflow
    • Introduction
    • Work Flow
      • Overall Sequence
      • Detailed Flow
    • Diagnostic Worksheet
      • Description
      • Worksheet Sample
  • Basic Inspection
  • Idle Speed and Ignition Timing Check
    • Idle Speed
      • With SDT
      • With GST
    • Ignition Timing
  • Procedure After Replacing ECM
    • Notes
    • VIN Registration
      • Description
      • Operation Procedure
        • With SDT
    • 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 SDT
        • Without SDT
      • Diagnostic Procedure
  • Malfunction Indicator Lamp (MIL)
    • Description
    • On Board Diagnostic System Function
      • Notes
      • MIL Blinking 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, 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"
      • < 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 < Exhaust Quality Deterioration >", "Fuel Injection System"
      • < Driving Pattern A >
      • < Driving Pattern B >
  • SDT Function (Engine / Powertrain)
    • Function
    • Engine Control Component Parts/Control Systems Application
    • Utility Mode
      • Work Item
      • Readiness Test Mode
      • DTC Work Support Mode
    • DTC Check Mode
      • DTC Check Item
    • Data list Mode
      • Monitored Item
    • Active Test Mode
      • Test Item
  • Generic Scan Tool (GST) Function
    • Description
    • Function
    • Inspection Procedure
  • Power Supply and Ground Circuit Check
    • Diagnosis Procedure
    • Ground Inspection
  • SDT Reference Value in Data list Mode
  • ECM Harness Connector Terminal Layout
  • ECM Terminal and Reference Value
    • Preparation
    • ECM Inspection Table
  • Fail-Safe Chart: ECM
  • DTC Inspection Priority Chart: ECM
  • DTC Index: ECM
    • Emission-Related Diagnostic Information Items
  • Emission-related Diagnostic Information
    • 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 Readiness Test
        • With SDT
        • With GST
        • No Tools
      • How to Set SRT Code
        • Notes
        • With SDT
        • Without SDT
      • Driving Pattern
    • Test Value And Test Limit
    • How To Erase Emission-Related Diagnostic Information
      • How to Erase DTC and 1st Trip DTC
        • With SDT
        • With GST
        • No Tools
  • Normal Operating Condition: Fuel Cut Control (at No Load and High Engine Speed)
    • Input/Output Signal Chart
    • System Description
  • DTC Index