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
No communication with the vehicle security module (VSM)	Circuitry VSM	REFER to MODULE COMMUNICATIONS NETWORK article.
The autolamps are inoperative	Circuitry Headlamp switch Light sensor VSM	Go to Pinpoint Test F .
The autolamps are on continuously	Circuitry Headlamp switch Light sensor VSM	Go to Pinpoint Test G .
The autolamp time delay is inoperative	VSM	FOLLOW the instruction within the Owners' Literature to change the amount of time the autolamps stay on. If the time delay does not change, INSTALL a new VSM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation. If the time delay does change, the system is operating correctly. INFORM the customer about the autolamp time delay feature.
The headlamps are inoperative with autolamps on	Fuse Circuitry VSM	Go to Pinpoint Test H .
The parking lamps are inoperative with the autolamps on	Fuse Circuitry VSM	REFER to Parking, Rear and License Plate Lamps in this article.