Symptom Chart

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
Both headlamps are inoperative	Circuitry. Headlamp switch. Multifunction switch.	Go To PINPOINT TEST A
The low beams are inoperative	Circuitry. Multifunction switch. Daytime running lamps (DRL) (if equipped)	Go To PINPOINT TEST B
The high beams are inoperative	Circuitry. High beam relay. Multifunction switch.	Go To PINPOINT TEST C .
One low beam headlamp is inoperative	Circuitry.	Go To PINPOINT TEST D .
One high beam headlamp is inoperative	Circuitry.	Go To PINPOINT TEST F .
The headlamps are on continuously	Circuitry. Headlamp switch. Multifunction switch. Vehicle security module.	Go To PINPOINT TEST F .
The flash-to-pass feature is inoperative	Multifunction switch.	INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES