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Test C: Charge Indicator Inoperative

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. If diagnostic system check was not performed, perform ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under ON-VEHICLE TESTING. If diagnostic system check was performed, go to next step.
  2. Turn ignition switch to RUN position. If battery charge indicator illuminates during 5 second bulb check, problem is intermittent. Check wiring and connections. If battery charge indicator does not illuminate during 5 second bulb check, go to next step.
  3. Test Red wire for a high resistance or open between generator harness connector terminal "B" and PCM harness connector C2 terminal No. 61. See WIRING DIAGRAMS  . If problem does not exist, go to next step. If problem exists, repair as necessary. After repairs are complete, go to step  6 .
  4. Inspect PCM harness connector for poor connections. If problem does not exist, go to next step. If problem exists, repair as necessary. After repairs are complete, go to step  6 .
  5. Replace PCM. See REMOVAL & INSTALLATION article in ENGINE PERFORMANCE. Program PCM. After repairs are complete, go to next step.
  6. Operate system to verify repair. If system is not operating correctly, repeat test beginning at step  2 .
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