Mil On Steady
WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
- Perform On-Board Diagnostic II (OBD-II) System Check. See ON-BOARD DIAGNOSTIC II (OBD-II) SYSTEM CHECK in SELF-DIAGNOSTICS - INTRODUCTION article. After performing OBD-II system check, go to next step.
- Turn ignition on with engine off. MIL should illuminate. If MIL does not illuminate, go to MALFUNCTION INDICATOR LIGHT (MIL) INOPERATIVE . If MIL illuminates, go to next step.
- Install Tech 2 scan tool. Using scan tool, command MIL on and off. If MIL turns on and off when commanded, go to step 8. If MIL does not turn on and off when commanded, go to next step.
- Turn ignition off. Disconnect PCM connectors. Turn ignition on. If MIL does not illuminate, go to step 7. If MIL illuminates, go to next step.
- Check for short to ground in MIL control circuit (Brown/White wire) between instrument cluster and terminal No. 46 on PCM connector C2. See SYSTEM WIRING DIAGRAMS article. Repair Brown/White wire as necessary. After repairs, go to step 8. If circuit is okay, go to next step.
- Replace instrument cluster. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. After IPC replacement, go to step 8.
- Replace PCM. Program PCM. See PROGRAMMING . After repairs, go to next step.
- Using scan tool, clear DTC(s). Attempt to start engine. If engine starts and runs, go to next step. If engine does not start, or starts and dies, go to step 1.
- Warm engine to operating temperature. Check for DTCs. If DTCs are present, go to SELF-DIAGNOSTICS - INTRODUCTION article. If DTC(s) are not present, system is okay.