Engine Controls - Tests W/Codes
- Introduction
- Summary
- Trouble Code Diagnostic Hints
- Trouble Code Identification
- Trouble Code Diagnostic Charts
- Notes
- Ecu Terminal Identification
- Diagnostic Circuit Check
- Test No. 1 - ECM (+B) Circuit
- Code 12, 13 - Rpm Signal
- Code 14/Test No. 2 - Ignition Signal
- Code 21 - No. 1 Oxygen Sensor Signal
- Code 22/Test No. 3 - Coolant Temperature Sensor Signal
- Code 24/Test No. 4 - Intake Air Temperature Sensor Signal
- Code 25 - Lean Air/Fuel Mixture
- Code 26 - Rich Air/Fuel Mixture
- Code 28 - No. 2 Oxygen Sensor Signal
- Code 31, 32/Test No. 5 - Airflow Meter Signal
- Code 35 - BARO Sensor
- Code 41/Test No. 6 - TPS Signal
- Code 42 - Vehicle Speed Sensor Signal
- Code 43/Test No. 7 - Starter Signal
- Code 51 - Switch Signal
- Code 52 - No. 1 Knock Sensor Signal
- Code 53 - Knock Control Signal
- Code 55 - No. 2 Knock Sensor Signal
- Code 71 - EGR System Malfunction
- Code 81/83/84/85 - A/T Control Module Communication
- Test No. 8 - Idle Speed Control Circuit
- Test No. 9 - Injector Circuit
- Test No. 10 - Malfunction Indicator Light (Mil) Circuit