Symptom Chart

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SYMPTOM CHART

Condition	Possible Sources	Action
System voltage high	Fuse Wiring, terminals or connectors Engine, generator and battery grounds Battery Generator PCM	GO to PINPOINT TEST A .
System voltage low or battery is discharged	Fuse Fusible link Wiring, terminals or connectors Engine, generator and battery grounds Abnormal ignition-off current drain(s) Battery Generator PCM	GO to PINPOINT TEST B .
The generator is noisy	Front End Accessory Drive (FEAD) belt Loose bolts/brackets Generator/pulleys	GO to PINPOINT TEST F .
Radio interference	Generator Wiring, terminals or connectors In-vehicle entertainment system	GO to PINPOINT TEST G .
Charging system lamp is never/always on	Wiring, terminals or connectors Instrument Panel Cluster (IPC) Generator PCM	RETRIEVE Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules. If any charging system DTCs are found, REFER to the DIAGNOSTIC TROUBLE CODE (DTC) CHART . If no charging system DTCs are found, REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .