Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Trouble Code Diagnostic Hints
- Trouble Code Identification
- Trouble Code Charts
- ECM Terminal Identification
- Diagnostic Circuit Check
- Test No. 1 ECM Power Source
- Test No. 2 - ECM (+B) Circuit Check
- DTC 12, 13 - Rpm Signal
- DTC 14 - Ignition Signal
- DTC 21 - Oxygen Sensor Signal
- DTC 22 - Engine Coolant Temperature Sensor Signal
- DTC 24 - Intake Air Temperature Sensor Signal
- DTC 25, 26 - Lean Or Rich Air/Fuel Mixture
- DTC 31 - Vacuum Sensor Signal
- DTC 41 - Throttle Position Sensor Signal
- DTC 42 - Vehicle Speed Sensor Signal
- DTC 43 - Starter Signal
- DTC 51 - Switch Signal
- DTC 71 - EGR System Malfunction
- Summary