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Test B: Charge Indicator Always On

  1. If diagnostic system check was not performed, go to ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under ON-VEHICLE TESTING. If diagnostic system check was performed, go to next step.
  2. Start engine. If charge indicator light illuminates, go to next step. If charge indicator light does not illuminate, problem is intermittent. Check wiring and connections.
  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 parameter indicates light is OFF, go to next step. If parameter does not indicate light is OFF, go to TEST A: CHARGING SYSTEM TEST  .
  4. Test indicator light control circuit for a short to ground. See WIRING DIAGRAMS  . Repair circuit as necessary, then go to step  7 . If short to ground was not found, go to next step.
  5. Inspect IPC harness connector for poor connections. Repair as necessary, then go to step  7 . If connections are okay, go to next step.
  6. Replace Instrument Panel Cluster (IPC). See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. Go to next step.
  7. 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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