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)	Circuitry SJB	REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
The low beams are inoperative	Fuse Circuitry SJB	GO to PINPOINT TEST A .
The high beams are inoperative	Circuitry Multifunction switch SJB	GO to PINPOINT TEST B .
One low beam headlamp is inoperative	Fuse Circuitry High intensity discharge (HID) relay HID bulb Headlamp assembly Ballast SJB	GO to PINPOINT TEST C .
One high beam headlamp is inoperative	Circuitry Headlamp assembly	GO to PINPOINT TEST D .
The headlamps are on continuously	Circuitry HID relay Headlamp switch Multifunction switch SJB	GO to PINPOINT TEST E .
The flash-to-pass feature is inoperative	Circuitry Multifunction switch SJB	GO to PINPOINT TEST F .