Engine Controls - Tests W/Codes

• Introduction
• Self-Diagnostic System
  • Hard Failures
  • Intermittent Failures
  • Check Engine Light
  • Retrieving Codes
  • Trouble Code Definition
  • Ecu Reset Procedure/Clearing Codes
  • Ecu Location
• Summary
• Trouble Code Charts
  • Notes
  • Using Trouble Code Charts
  • No Code - No Check Engine Light
  • Code/No Code - Check Engine Light Stays On
  • Code 1 - Oxygen Sensor Circuit
  • CODE 3 - MAP Sensor Circuit
  • Code 4 - Crank Sensor Circuit
  • Code 5 - Map Sensor (Mechanical)
  • Code 6 - Coolant Temperature (TW) Sensor Circuit
  • Code 7 - Throttle Angle Sensor Circuit
  • Code 8 - TDC Sensor Circuit
  • Code 9 - No. 1 Cylinder (CYL) Sensor Circuit
  • Code 10 - Air Temperature (Ta) Sensor Circuit
  • Code 12 - Exhaust Gas RECIRCULATION (EGR) System
  • Code 13 - Atmospheric Pressure (Pa) Sensor
  • Code 14 - Electric Air Control Valve (EACV) System
  • Code 15 - Ignition Output Signal
  • Code 16 - Injector Circuit
  • Code 17 - Vehicle Speed Sensor (VSS) Circuit
  • Code 20 - Electrical Load Detector (Eld) Circuit
  • Code 30 - A/T "A" Signal Circuit
  • Code 31 - A/T "B" Signal Circuit
  • Code 41 - Oxygen Sensor Heater Circuit
  • Code 43 - Fuel Supply System