Section 425 (Engine Control System - Introduction)
WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- Index For DTC
- Precautions
- Preparation
- Engine Control System
- System Diagram
- Vacuum Hose Drawing
- System Chart
- MULTIPORT Fuel Injection (MFI) System
- Electronic Ignition (EI) System
- Air Conditioning Cut Control
- Fuel Cut Control (At No Load And High Engine Speed)
- Can Communication
- Basic Service Procedure
- Idle Speed And Ignition Timing Check
- Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment
- Preparation
- Overall Inspection Sequence
- Inspection Procedure
- 1. Inspection Start
- 2. Repair Or Replace
- 3. Check Target Idle Speed
- 4. Perform Accelerator Pedal Released Position Learning
- 5. Perform Throttle Valve Closed Position Learning
- 6. Perform Idle Air Volume Learning
- 7. Check Target Idle Speed Again
- 8. Detect Malfunctioning Part
- 9. Check ECM Function
- 10. Check Ignition Timing
- 11. Perform Accelerator Pedal Released Position Learning
- 12. Perform Throttle Valve Closed Position Learning
- 13. Perform Idle Air Volume Learning
- 14. Check Target Idle Speed Again
- 15. Check Ignition Timing Again
- 16. Check Timing Chain Installation
- 17. Detect Malfunctioning Part
- 18. Check ECM Function
- 19. Check Air Fuel Ratio (A/F) Sensor 1 Function
- 20. Check Air Fuel Ratio (A/F) Sensor 1 Function
- 21. Check Air Fuel Ratio (A/F) Sensor 1 Harness
- 22. Perform Accelerator Pedal Released Position Learning
- 23. Perform Throttle Valve Closed Position Learning
- 24. Perform Idle Air Volume Learning
- 25. Check CO%
- 26. Check CO%
- 27. Reconnect Air Fuel Ratio (A/F) Sensor 1 Harness Connector
- 28. Replace Air Fuel Ratio (A/F) Sensor 1
- 29. Check Air Fuel Ratio (A/F) Sensor 1 Function
- 30. Check Air Fuel Ratio (A/F) Sensor 1 Function
- 31. Detect Malfunctioning Part
- 32. Erase Unnecessary DTC
- 33. Check ECM Function
- Accelerator Pedal Released Position Learning
- Throttle Valve Closed Position Learning
- Idle Air Volume Learning
- Fuel Pressure Check
- On Board Diagnostic (OBD) System
- Introduction
- Two Trip Detection Logic
- Emission-Related Diagnostic Information
- Emission-Related Diagnostic Information Items
- DTC And 1st Trip DTC
- Freeze Frame Data And 1st Trip Freeze Frame Data
- System Readiness Test (SRT) Code
- With CONSULT-II
- With GST
- Without CONSULT-II
- Test Value And Test Limit (GST Only - Not Applicable To CONSULT-II)
- How To Erase Emission-Related Diagnostic Information
- NVIS (NISSAN Vehicle Immobilizer System - NATS)
- Malfunction Indicator Lamp (Mil)
- On Board Diagnostic System Function
- 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 For "Misfire < Exhaust Quality Deterioration >", "Fuel Injection System"
- Explanation For Driving Patterns For "Misfire < Exhaust Quality Deterioration >", "Fuel Injection System"
- Trouble Diagnosis
- Trouble Diagnosis Introduction
- DTC Inspection Priority Chart
- Fail-Safe Chart
- Basic Inspection
- 1. Inspection Start
- 2. Repair Or Replace
- 3. Check Target Idle Speed
- 4. Perform Accelerator Pedal Released Position Learning
- 5. Perform Throttle Valve Closed Position Learning
- 6. Perform Idle Air Volume Learning
- 7. Check Target Idle Speed Again
- 8. Detect Malfunctioning Part
- 9. Check ECM Function
- 10. Check Ignition Timing
- 11. Perform Accelerator Pedal Released Position Learning
- 12. Perform Throttle Valve Closed Position Learning
- 13. Perform Idle Air Volume Learning
- 14. Check Target Idle Speed Again
- 15. Check Ignition Timing Again
- 16. Check Timing Chain Installation
- 17. Detect Malfunctioning Part
- 18. Check ECM Function
- Symptom Matrix Chart
- Engine Control Component Parts Location
- Circuit Diagram
- ECM Harness Connector Terminal Layout
- ECM Terminals And Reference Value
- Consult-II Function
- Generic Scan Tool (GST) Function
- Consult-II Reference Value In Data Monitor
- Major Sensor Reference Graph In Data Monitor Mode
- Trouble Diagnosis - Specification Value
- Trouble Diagnosis For Intermittent Incident
- Power Supply Circuit For ECM
- Wiring Diagram
- Diagnostic Procedure
- 1) Inspection Start
- 2) Check ECM Power Supply Circuit-I
- 3) Detect Malfunctioning Part
- 4) Check Ground Connections
- 5) Check ECM Ground Circuit For Open And Short-I
- 6) Detect Malfunctioning Part
- 7) Check ECM Power Supply Circuit-II
- 8) Check ECM Power Supply Circuit-III
- 9) Check ECM Power Supply Circuit-IV
- 10) Check ECM Power Supply Circuit-V
- 11) Detect Malfunctioning Part
- 12) Check ECM Power Supply Circuit-VI
- 13) Detect Malfunctioning Part
- 14) Check 15A Fuse
- 15) Check ECM Ground Circuit For Open And Short-II
- 16) Detect Malfunctioning Part
- 17) Check Intermittent Incident