Mil On Steady
- Perform On-Board Diagnostic (OBD) System Check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . After performing OBD system check, go to next step.
- Turn ignition off. Disconnect PCM A-36 electrical connector. Turn ignition on. If MIL comes on, go to next step. If MIL does not come on, go to step 5).
- Turn ignition off. Disconnect instrument panel cluster connector. Check for short to ground in MIL control circuit (Green wire) between PCM connector A-36 terminal A13 and instrument panel cluster. Repair as necessary. Repeat ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . If circuit is okay, go to next step.
- Replace instrument panel cluster. See appropriate INSTRUMENT PANELS article in appropriate lemon-25(R) manual. Repeat ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK .
- Turn ignition off. Reconnect PCM A-36 electrical connector. Turn ignition on. Reprogram EEPROM. Using scan tool, command MIL OFF. If MIL did not go off, go to next step. If MIL did go off, repeat ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK .
- Replace PCM. Repeat ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK .