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 MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1121 (WIPER SYSTEM AND WASHER SYSTEM)DIAGNOSIS AND TESTINGWIPERS AND WASHERSSYMPTOM CHART

2004 Ford Econoline E150, Van Cargo, 4.6 W

Symptom Chart

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. 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 - front	Fuse Circuitry Multi-function switch Windshield wiper motor Smart junction box (SJB)	GO to PINPOINT TEST A .
The rear window wiper is inoperative	Fuse Circuitry Multi-function switch Rear wiper motor Smart junction box (SJB)	GO to PINPOINT TEST B .
The wipers stay on continuously - front	Circuitry Windshield wiper motor Multi-function switch	GO to PINPOINT TEST C .
The rear window wiper stays on continuously	Circuitry Rear wiper motor Multi-function switch Smart junction box (SJB)	GO to PINPOINT TEST D .
The high wiper speeds do not operate correctly	Circuitry Multi-function switch Windshield wiper motor	GO to PINPOINT TEST E .
The intermittent wiper speed does not operate correctly - front	Circuitry Multi-function switch Smart junction box (SJB)	GO to PINPOINT TEST F .
The low wiper speeds do not operate correctly - front	Circuitry Multi-function switch Windshield wiper motor	GO to PINPOINT TEST F .
The intermittent wiper speed does not operate correctly - rear	Circuitry Multi-function switch Smart junction box (SJB)	GO to PINPOINT TEST G .
The washer pump is inoperative - front	Circuitry Windshield washer pump Multi-function switch	GO to PINPOINT TEST H .
The wash and wipe function is inoperative - front	Multi-function switch	If the LOW speed wiper is inoperative, GO to PINPOINT TEST F . If the front washer is inoperative, GO to PINPOINT TEST H . If the front wiper does not sweep when the front washer is in the ON position, INSTALL a new multi-function switch. REFER to STEERING COLUMN SWITCHES .
The wash and wipe function is inoperative - rear	Circuitry Multi-function switch Rear washer pump Smart junction box (SJB)	GO to PINPOINT TEST I .
The wipers will not park at the correct position - front	Pivot arm adjustment Linkage	ADJUST/REPAIR as necessary.
The wipers will not park at the correct position - front	Circuitry Multi-function switch Windshield wiper motor	GO to PINPOINT TEST J .
The wipers will not park at the correct position - rear	Pivot arm adjustment	ADJUST/REPAIR as necessary.
The wipers will not park at the correct position - rear	Rear wiper motor	INSTALL a new rear wiper motor. REFER to WIPER MOTOR - REAR WINDOW in this article. TEST the system for normal operation.

RENDER: 1.0x

NO RELATED

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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.