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Home >> Mercury >> 2005 >> Mountaineer 2WD V8-4.6L SOHC VIN W >> Repair and Diagnosis >> Wiper and Washer Systems >> Testing and Inspection >> Pinpoint Tests >> Test J: The Rear Wiper Wash and Wipe Function Does Not Operate

Test J: The Rear Wiper Wash and Wipe Function Does Not Operate

PINPOINT TEST J: THE REAR WIPER WASH AND WIPE FUNCTION DOES NOT OPERATE


J1:






J2-J3:






Normal Operation
Under normal operation, the steering column multifunction switch receives ground through 1302 (WH/LG). The rear window wiper motor receives input from the steering column multifunction switch through circuit 410 (WH/OG) to operate the rear window wiper wash and wipe function.

Possible Causes
- Open in circuits 410 (WH/OG) or 1302 (WH/LG)
- Inoperative steering column multifunction switch
- Inoperative rear window wiper motor