Symptom Chart

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
Both fog lamps are inoperative	Fuse Wiring, terminals or connectors Headlamp switch Smart Junction Box (SJB)	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST R .
An individual fog lamp is inoperative	Wiring, terminals or connectors	VERIFY the bulb is OK. If OK, GO to PINPOINT TEST S .
The fog lamps are on continuously	Wiring, terminals or connectors Headlamp switch SJB	GO to PINPOINT TEST T .
The fog lamps on indicator is inoperative	Wiring, terminals or connectors Headlamp switch SJB	GO to PINPOINT TEST U .