Engine Controls - Tests W/Codes

• Introduction
• Self-Diagnostic System
  • Malfunction Indicator Light
    • Notes
    • Hard Failures
    • Intermittent Failures
  • Retrieving Codes
    • Entering Self-Diagnostics
  • Trouble Code Identification
  • Clearing Codes
  • After-Repair Procedure
  • ECM Location
• Diagnostic Tests
  • Notes
  • Code 02: No Ne-Signal
  • Code 03: No G-Signal
  • Code 08: Mass Airflow (MAF) Sensor Circuit
  • Code 09: Engine Coolant Temperature (ECT) Sensor Circuit
  • Code 10: Intake Air Temperature (IAT) Sensor Circuit
  • Code 12: Throttle Position (TP) Sensor Circuit
  • Code 14: Atmospheric Pressure Sensor Circuit
  • Code 15: Oxygen Sensor (O2S)
  • Code 17: Feedback System
  • Code 25: Pressure Regulator Solenoid Valve Circuit
  • Code 26: Purge Control Solenoid Valve Circuit
  • Code 34: Idle Speed Control (ISC) Solenoid Valve Circuit
• Summary