Symptom Chart

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. 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 MULTIFUNCTION ELECTRONIC MODULES .
The reversing lamps are inoperative	Circuitry SJB	GO to PINPOINT TEST X .
An individual reversing lamp is inoperative	Circuitry Rear lamp jumper harness	GO to PINPOINT TEST Y .
The reversing lamps are on continuously	Circuitry Auto-dimming interior mirror Parking aid module SJB Transmission control module (TCM)	GO to PINPOINT TEST Z .