Symptom Chart

WARNING: This page is about a different car, the 2005 Ford Pickup. 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. Central junction box (CJB).	GO to PINPOINT TEST A .
The low beams are inoperative	Circuitry. Multifunction switch. Central junction box (CJB).	GO to PINPOINT TEST B .
The high beams are inoperative	Circuitry. High beam relay. Multifunction switch. Central junction box (CJB).	GO to PINPOINT TEST C .
One low beam headlamp is inoperative	Circuitry. Central junction box (CJB).	GO to PINPOINT TEST D .
One high beam headlamp is inoperative	Circuitry.	REPAIR circuit 12 (LG/BK). TEST the system for normal operation.
The headlamps are on continuously	Circuitry. Headlamp switch. Multifunction switch. Vehicle security module. Central junction box (CJB). High beam relay. Fog lamp relay. Daytime running lamp (DRL) system.	GO to PINPOINT TEST E .
The flash-to-pass feature is inoperative	Circuitry. Multifunction switch.	MEASURE the voltage between the multifunction switch C202c-8, circuit 196 (DB/OG), harness side and ground. If the voltage is greater than 10 volts, INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation. If the voltage is not greater than 10 volts, REPAIR circuit 196 (DB/OG). TEST the system for normal operation.