Operation CHARM: Car repair manuals for everyone.

Test M

PINPOINT TEST M: THE WIPERS ARE INOPERATIVE


Test M1:






Test M2-M4:






Test M5-M7:






Normal Operation
Under normal operation the front wiper motor receives power through circuit 950 (WH/BK) and circuit 1002 (BK/PK). The front wiper motor is grounded through circuits 1203 (BK/LB) and 1205 (BK). The front wiper motor receives open and ground inputs from the multifunction switch through circuits 671 (LB), 680 (LB/OG), 682 (DB) and 684 (PK/YE) to activate the wipers to the appropriate speeds.

Possible Causes
- Open in circuits 671 (LB), 680 (LB/OG), 682 (DB), 684 (PK/YE), 950 (WH/BK), 1002 (BK/PK), 1203 (BK/LB), 1205 (BK) or 1302 (WH/LG).
- Inoperative multifunction switch.
- Inoperative wiper motor.