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Test C: Charge Indicator Inoperative

  1. If diagnostic system check was not performed, go to ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. If diagnostic system check was performed, go to next step.
  2. Turn ignition switch to RUN position. If charge indicator light illuminates, problem is intermittent. Check wiring and connections. If charge indicator light does not illuminate, go to next step.
  3. Connect scan tool to Data Link Connector (DLC). DLC is located under instrument panel, near steering column. Using scan tool, observe Generator light parameter in PCM data list. If Generator light parameter is ON, go to step  6 . If Generator light parameter is not ON, go to next step.
  4. Start engine. Using scan tool, command charge indicator light ON. If charge indicator light illuminates, go to step  6 . If charge indicator light does not illuminate, go to next step.
  5. Test charge indicator light control circuit for high resistance or an open. Repair circuit as necessary, then go to step  10 . If open or high resistance was not found, go to step  7 .
  6. Inspect PCM harness connector for poor connections. Repair as necessary, then go to step  10 . If connections are okay, go to step  8 .
  7. Inspect IPC harness connector for poor connections. Repair as necessary, then go to step  10 . If connections are okay, go to step  9 .
  8. Replace PCM. After replacement, reprogram PCM. See REMOVAL & INSTALLATION article in ENGINE PERFORMANCE. Go to next step.
  9. Replace IPC. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. Go to next step.
  10. Operate system for which symptom occurred. If condition was found and corrected, system is okay. If condition was not found and corrected, go to step  2 .
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