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Test E: The High/Low Wiper Speeds Do Not Operate Correctly - Windshield

PINPOINT TEST E: THE HIGH/LOW WIPER SPEEDS DO NOT OPERATE CORRECTLY - WINDSHIELD


E1-E2:






E2-E4:






E5:






Normal Operation
Under normal operation, the windshield wiper motor receives open and ground inputs from the multi-function switch through circuits CRW17 (GN/VT), CRW18 (VT/WH), CRW19 (BU/OG) and CRW08 (VT/OG) to activate the wipers to the appropriate speeds.

Possible Causes
- Open or short to ground in circuits CRW19 (BU/OG), CRW08 (VT/OG) or CRW17 (GN/VT)
- Inoperative windshield wiper motor
- Inoperative multi-function switch