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Symptom Chart: Charging System

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in SERVICE INFORMATION for more information.

Symptom Chart: Charging System 

Condition Possible Sources Actions
System voltage high Refer to the Pinpoint Test GO to Pinpoint Test A .
System voltage low or battery is discharged Refer to the Pinpoint Test GO to Pinpoint Test B .
The generator is noisy Refer to the Pinpoint Test GO to Pinpoint Test F .
Radio interference Refer to the Pinpoint Test GO to Pinpoint Test G .
Charging system warning indicator is never/always ON Wiring, terminals or connectors
IPC
Generator
PCM
RETRIEVE DTCs from all modules. If any charging system DTCs are found, Refer to DTC Charts in DTC Charts . If no charging system DTCs are found, REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
Load Shed Message Displays in message center and/or centerstack infotainment display Normal operation
Audio system
Battery
BCM
Fuses
Generator
Wiring, terminals or connectors
GO to Pinpoint Test K .
Battery Saver - System Off displays in centerstack infotainment display Normal operation
Audio system
Battery
BCM
Fuses
Generator
Wiring, terminals or connectors
GO to Pinpoint Test K .