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
The wipers are inoperative	Fuse(s) Relay Circuitry Multi-function switch Windshield wiper motor Smart junction box (SJB)	GO to PINPOINT TEST A .
The wipers stay on continuously	Relay Circuitry Windshield wiper motor Multi-function switch SJB	GO to PINPOINT TEST B .
The high speed wipers do not operate correctly	Circuitry Multi-function switch Windshield wiper motor SJB	GO to PINPOINT TEST C .
The low speed and intermittent wipers do not operate correctly	Circuitry Multi-function switch Windshield wiper motor SJB	GO to PINPOINT TEST C .
The washer pump is inoperative	Fuse Circuitry Windshield washer pump Multi-function switch SJB	GO to PINPOINT TEST D .
The wash and wipe function does not operate correctly	Circuitry Multi-function switch SJB	If the LOW speed wiper is inoperative, GO to PINPOINT TEST C . If the washer pump is inoperative, GO to PINPOINT TEST D .
The wipers do not park at the correct position	Pivot arm adjustment Linkage	ADJUST/REPAIR as necessary.
The wipers do not park at the correct position	Relay Circuitry Multi-function switch Windshield wiper motor	GO to PINPOINT TEST F .
The speed dependent interval mode does not operate correctly	SJB Instrument cluster (IC)	GO to PINPOINT TEST G .
The headlamps do not illuminate when the wipers are on	Circuitry SJB	VERIFY the automatic headlamps operate correctly. If the automatic headlamps do not operate correctly, REFER to EXTERIOR LIGHTING to diagnose the autolamp system. If the automatic headlamps do operate correctly, and no other DTCs are present in the SJB, INSTALL a new SJB. TEST the system for normal operation.