Symptom Table

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM TABLE

Condition	Possible Sources	Action
System voltage high	Fusible link Engine, generator and battery grounds Wiring, terminals or connectors Battery Generator PCM	GO to PINPOINT TEST A .
System voltage low or battery is discharged	Abonormal ignation-off current drain(s) Engine, generator and battery grounds Positive battery cable Wiring, terminals or connectors Battery Generator	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 warning indicator 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 in this service information. If no charging system DTCs are found, REFER to INSTRUMENTATION, MESSAGE CENTER & WARNING CHIMES -- FUSION, MILAN & MKZ article.