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Test D: The Intermittent Wiper Speed Does Not Operate Correctly (High/Low Speeds Ok)

PINPOINT TEST D: THE INTERMITTENT WIPER SPEED DOES NOT OPERATE CORRECTLY (HIGH/LOW SPEEDS OK)


D1-D3:






Normal Operation
Under normal operation, the front wiper motor receives open and ground inputs from the multi-function switch through circuits 1301 (YE), 1300 (PK), 680 (LB/OG) and 485 (PK/BK) to activate the wipers to the appropriate speeds.

Possible Causes
- Open in circuits 680 (LB/OG), 1300 (PK), 485 (PK/BK) or 1301 (YE)
- Inoperative front wiper motor
- Inoperative multi-function switch