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Charge Indicator Always On

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For circuit identification, see WIRING DIAGRAMS in GENERATORS & REGULATORS - CORVETTE article.
  1. If starting/charging system diagnostic system check has been performed, go to next step. If starting/charging system diagnostic system check has not been performed, see STARTING/CHARGING SYSTEM DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Start engine. If charge indicator remains on while engine is running, go to next step. If charge indicator does not remain on while engine is running, check for intermittent connections or circuits for charging system. See GENERATORS & REGULATORS - CORVETTE article in STARTING & CHARGING SYSTEMS.
  3. Connect scan tool to DLC. Select PCM DATA LIST and monitor IGNITION 1. If voltage is 11.0-15.5, go to next step. If voltage is not 11.0-15.5 volts, check charging system. See GENERATORS & REGULATORS - CORVETTE article in STARTING & CHARGING SYSTEMS.
  4. Turn ignition off. Disconnect Powertrain Control Module (PCM) connectors. PCM is located behind right wheelwell housing. See Figure . Turn ignition on. If charge indicator comes on, go to next step. If charge indicator does not come on, go to step  7 .
  5. Check for poor connections at IPC connectors. If connections are okay, go to next step. If faulty connections were found and repaired, go to step  9 .
  6. Replace IPC. See INSTRUMENT PANEL CLUSTER (IPC)  under REMOVAL & INSTALLATION. After repairs, go to step  9 .
  7. Check for poor connections at PCM connectors. If connections are okay, go to next step. If faulty connections were found and repaired, go to step  9 .
  8. Replace PCM. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. After repairs, go to next step.
  9. Recheck system operation. If symptom still exists, return to step  2 .
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