Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 641 (WIPERS AND WASHERS)DIAGNOSIS AND TESTINGWIPERS AND WASHERSSYMPTOM CHART

2005 Ford Taurus SEL, 4D Sedan

Symptom Chart

2005 Ford Taurus SEL, 4D SedanSECTION 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.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.