LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2017 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System >> Diagnosis And Testing >> Fog Lamps >> Symptom Chart: Fog Lamps

Symptom Chart: Fog Lamps

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Service Information for information regarding Ford-specific diagnostic practices.

Symptom Chart: Fog Lamps 

Condition Possible Sources Actions
A module does not respond to the scan tool Fuse
Wiring, terminals or connectors
Module
REFER to Module Communications Network .
Both front fog lamps are inoperative Fuse
Wiring, terminals or connectors
BCM
GO to Pinpoint Test E .
An individual front fog lamp is inoperative Wiring, terminals or connectors
Bulb (halogen fog lamps)
Fog lamp (LED fog lamps)
GO to Pinpoint Test F .
The front fog lamps are on continuously Wiring, terminals or connectors
BCM
GO to Pinpoint Test G .
The fog lamps on indicator is inoperative Wiring, terminals or connectors
Headlamp switch
BCM
GO to Pinpoint Test H .
The rear fog lamp is inoperative - China only Fuse
Wiring, terminals or connectors
Headlamp switch
BCM
The rear fog lamp is on continuously - China only Wiring, terminals or connectors
Headlamp switch
BCM