Diagnostic Procedures
WARNING: This page is about a different car, the 2000 Isuzu Rodeo and 2000 Isuzu Amigo. 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 SELF-DIAGNOSTICS - INTRODUCTION article. Go to next step.
- Check ignition control module for poor connection or damaged terminals. If a problem is found, repair as necessary. Retest system. If no problem is found, go to next step.
- Check PCM connector for poor connection or damaged terminals. If a problem is found, repair as necessary. Retest system. If no problem is found, go to next step.
- Turn ignition off. Disconnect harness from PCM and ignition control module. Check ignition control circuit for an open or shorted condition. If a problem is found, repair as necessary. Retest system. If no problem is found, go to next step.
- Replace ignition control module. Retest system. If problem still exists, go to next step.
- Replace and reprogram PCM using required equipment. See PROGRAMMING . Retest system.