Symptom Chart

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. 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 smart junction box (SJB)	Circuitry. SJB.	REFER to MODULE COMMUNICATIONS NETWORK .
The autolamps are inoperative	Circuitry. Light sensor. Smart junction box (SJB).	Go To PINPOINT TEST D: THE AUTOLAMPS ARE INOPERATIVE .
The autolamps are on continuously	Circuitry. Light sensor. Headlamp switch. Smart junction box (SJB).	Go To PINPOINT TEST E: THE AUTOLAMPS ARE ON CONTINUOUSLY .
The autolamp time delay is inoperative	Smart junction box (SJB).	INSTALL a new SJB. Refer to SMART JUNCTION BOX (SJB) . TEST the system for normal operation.