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Test D: Warning Indicator Is On With Engine Running, System Is Charging

  1. Check For Fault Codes In PCM

    Connect New Generation Star (NGS) tester to Data Link Connector (DLC). Turn ignition switch to RUN position. Using NGS tester, perform Powertrain Control Module (PCM) self-test. If no DTCs exist, see appropriate ANALOG INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. If any DTCs exist, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in appropriate SELF-DIAGNOSTICS in ENGINE PERFORMANCE.