Engine Controls - Tests W/Codes - PFI

• Introduction
• Diagnosis & Testing
  • Hard Failures
  • Intermittent Failures
  • Retrieving Codes
• Trouble Code Identification
• Specification Codes Identification
• Clearing Codes
• ECM Location
• Summary
• Diagnostic Code Charts
  • Basic Operation Of Self-Diagnostic System
    • In "NO TROUBLE" Condition
    • During "TROUBLE" Conditions
  • Read Memory Mode
  • D-Check Mode
  • Clear Memory Mode
  • Code 11: Crank Angle Sensor
  • Code 12: Starter Switch
  • Code 13: TDC Sensor
  • Code 14: Fuel Injectors No. 1 & 2
  • Code 15: Fuel Injectors No. 3 & 4
  • Code 21: Coolant (Water) Temperature Sensor
  • Code 22: Knock Sensor
  • Code 23: Airflow Meter Circuit
  • Code 31: Throttle Position Sensor (TPS)
  • Code 32: Oxygen (O2) Sensor
  • Code 33: Vehicle Speed Sensor
  • Code 35: Canister Purge Control (CPC) Solenoid Valve
  • Code 36: IGNITOR Circuit (1990 Only)
  • Code 41: Air/Fuel Ratio Learning Control System
  • Code 42: Idle Switch
  • Code 44: WASTEGATE Duty Solenoid (Turbo)