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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1570 (Charging System - General Information (Except Electric)) >> Diagnosis And Testing >> Charging System - 2.0L Duratec-HE (110kW/150PS) - MI4 2.0L Duratec-HE (125kW/170PS) - MI4 >> Symptom Chart(s)

Symptom Chart(s)

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart: Charging System 

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Symptom Chart 

Condition Possible Sources Actions
System voltage high Refer to the Pinpoint Test GO to PINPOINT TEST A : SYSTEM VOLTAGE HIGH .
System voltage low or battery is discharged Refer to the Pinpoint Test GO to PINPOINT TEST B : SYSTEM VOLTAGE LOW OR BATTERY IS DISCHARGED .
The generator is noisy Refer to the Pinpoint Test GO to PINPOINT TEST C : GENERATOR NOISE OR MECHANICAL PERFORMANCE .
Radio interference Refer to the Pinpoint Test GO to PINPOINT TEST D : RADIO INTERFERENCE .
Charging system warning indicator is never or always on Wiring, terminals or connectors
IPC
Generator
PCM
RETRIEVE Diagnostic Trouble Codes (DTCs) from all modules. If any charging system Diagnostic Trouble Codes (DTCs) are found, Refer to DTC Charts . If no charging system Diagnostic Trouble Codes (DTCs) are found, REFER to: Instrumentation, Message Center and Warning Chimes .