Symptom Chart

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
The control illumination is inoperative	Fuse Circuitry Headlamp switch	Go to Pinpoint Test A .
The non-dimmable illumination is inoperative	Circuitry Delay accessory relay Central junction box (CJB) Instrument cluster Audio unit (XLT, FX4, Lariat only)	Go to Pinpoint Test G .
The instrument cluster illumination is inoperative	Circuitry Instrument cluster	Go to Pinpoint Test B .
The climate control illumination is inoperative	Circuitry Climate control assembly	Go to Pinpoint Test C .
Both door lock control switches and the roof opening panel control switch (if equipped) illumination is inoperative	Fuse Circuitry	VERIFY the CJB fuse 22 (10A) is OK. If OK, REPAIR circuit 54 (LG/YE). TEST the system for normal operation.
The window control switch(es) illumination is inoperative	Circuit breaker Circuitry Window control switch(es)	VERIFY the CJB circuit breaker 401 (30A) is OK. If OK, REFER to GLASS, FRAMES AND MECHANISMS article for diagnosis of the power windows.
A single illumination source is inoperative	Circuitry Message center switch Parking aid switch Adjustable pedal switch Audio unit Four wheel drive (4WD) switch Floor shifter Digital versatile disc (DVD) player Roof opening panel control switch Door lock control switch(es) Traction control switch	Go to Pinpoint Test D .
The steering wheel control switch illumination source is inoperative	Fuse Circuitry Clockspring Steering wheel audio and climate control switches Speed control switches Steering wheel control switch harness	Go to Pinpoint Test E .
The instrument panel illumination does not dim	Circuitry Instrument panel dimmer switch (part of the headlamp switch)	Go to Pinpoint Test F .