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Home >> Lincoln >> 2017 >> MKT Base, AWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System - General Information >> Diagnosis And Testing >> Charging System >> Symptom Chart >> Symptom Chart - Charging System

Symptom Chart - Charging System

Condition Possible Sources Action
System voltage high Fuse
Wiring, terminals or connectors
Engine, generator and battery ground
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
Generator clutch pulley (if equipped)
PCM
High current BJB
GO to Pinpoint Test B .
The generator is noisy 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
IPC
Generator
PCM
RETRIEVE CMDTCs from all modules. If any charging system DTCs are found, REFER to DTC Charts . If no charging system DTCs are found, REFER to Instrumentation, Message Center, and Warning Chimes .