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Test A: The Wipers Are Inoperative

PINPOINT TEST A: THE WIPERS ARE INOPERATIVE


A1-A2:






A2-A5:






A5-A7:






Normal Operation
The windshield wiper motor receives inputs from the multifunction switch circuits 8-KA8 (WH/RD), 10-KA8 (GY/RD), 8-KA11 (WH/BK), and 8-KA10 (WH/GN). The wiper motor module (internal) controls the wiper run/park relay (internal) using internal circuitry to control the windshield wiper motor in conjunction with the wiper HI/LO relay (internal).

Possible Causes
- circuit 15-KA39 (GN/OG) open
- circuit 31-KA9 (BK/OG) open
- circuit 30-KA8 (RD) open
- circuit 31-KA19 (BK/RD) open
- circuit 91-KA8 (BN/RD) open
- circuit 8-KA8 (WH/RD) open
- circuit 10-KA8 (GY/RD) open
- circuit 8-KA11 (WH/BK) open
- circuit 8-KA10 (WH/GN) open
- multifunction switch
- windshield wiper motor