Operation CHARM: Car repair manuals for everyone.

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-E3:






Normal Operation
The windshield wiper motor module receives power through circuit 1671 (RD) and 65 (DG). Ground is supplied through circuits 1203 (BK/LB) and 1205 (BK). The windshield wiper motor module receives inputs from multi-function switch circuits 28 (BK/PK), 58 (WH), 61 (YE/RD), 63 (RD) and 950 (WH/BK). The multi-function switch is grounded through circuit 1205 (BK).

Possible Causes
- Circuit 28 (BK/PK) open or short to voltage
- Circuit 58 (WH) open or short to voltage
- Circuit 61 (YE/RD) open or short to voltage
- Windshield wiper motor
- Multi-function switch