Test D: The High/Low Wiper Speeds Do Not Operate Correctly (Intermittent Wiper Mode OK)
PINPOINT TEST D: THE HIGH/LOW WIPER SPEEDS DO NOT OPERATE CORRECTLY (INTERMITTENT WIPER MODE OK)D1-D2:
Normal Operation
The windshield wiper motor receives inputs from the windshield wiper/washer switch circuits 56 (DB/OG), 58 (WH), 61 (YE/RD), and 63 (RD). The module (internal) controls the wiper run/park relay (internal) using internal circuitry to control the motor in conjunction with the HI/LO relay (internal).
Possible Causes
- Windshield wiper/washer switch
- Windshield wiper motor