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Test F: The Washer Pump Is Inoperative

PINPOINT TEST F: THE WASHER PUMP IS INOPERATIVE


F1:






F1-F3:






F3-F5:






F6-F8:






Normal Operation
The multifunction switch sends a reference signal through circuit 8-KA7 (WH/VT) to the windshield wiper motor module (internal); the windshield wiper motor in turn sends battery voltage through circuit 75S-KA7 (YE/VT) to activate the washer pump motor.

Possible Causes
- circuit 8-KA7 (WH/VT) open
- circuit 31-KA7 (BK) open
- circuit 31-KA19 (BK/RD) open
- circuit 75S-KA7 (YE/VT) open
- windshield wiper motor
- multifunction switch
- washer pump motor