Symptom Chart

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

SYMPTOM CHART

Condition	Possible Sources	Action
Both low beams are inoperative	Bulbs Wiring, terminals or connectors Smart Junction Box (SJB)	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST B .
Both high beams are inoperative	Fuse Bulbs Wiring, terminals or connectors Multifunction switch SJB	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST A .
One low beam headlamp is inoperative	Fuse Bulb Wiring, terminals or connectors Headlamp assembly (MKX) SJB	VERIFY the bulb is OK. If OK, GO to PINPOINT TEST B .
One high beam headlamp is inoperative	Bulb Wiring, terminals or connectors Headlamp assembly (MKX)	VERIFY the bulb is OK. If OK, GO to PINPOINT TEST C .
The low beam(s) are on continuously	Wiring, terminals or connectors Headlamp switch SJB	GO to PINPOINT TEST D .
The high beams are on continuously	Wiring, terminals or connectors Multifunction switch SJB	GO to PINPOINT TEST E .
The flash-to-pass feature is inoperative	Wiring, terminals or connectors Multifunction switch SJB	GO to PINPOINT TEST F .