Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. 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)	SJB Circuitry	REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES to continue diagnosis of the SJB.
The ignition switch is inoperative	Battery junction box (BJB) fuse 14 (15A) Ignition switch Circuitry	GO to PINPOINT TEST A .
No power in ACC	Ignition switch Circuitry	GO to PINPOINT TEST B .
No power in RUN	Ignition switch Circuitry	GO to PINPOINT TEST C .
No power in START	Ignition switch Circuitry	GO to PINPOINT TEST D .
The ignition key is hard to turn	Ignition key Ignition lock cylinder Ignition switch	GO to PINPOINT TEST E .
The multi-function switch does not operate correctly	Multi-function switch	For a concern with the exterior lighting, REFER to EXTERIOR LIGHTING .
The multi-function switch does not operate correctly	Smart junction box (SJB)	For a concern with the wipers and washers, REFER to WIPERS AND WASHERS .