Test B: The Wipers Are Inoperative - Rear Window
PINPOINT TEST B: THE WIPERS ARE INOPERATIVE - REAR WINDOWB1-B3:
B4-B6:
Normal Operation
Under normal operation, the rear window wiper motor receives power through circuits SBB19 (BU/RD) and CBP43 (GY). The rear window wiper motor is grounded through circuit GD149 (BK/GY). The rear window wiper motor receives open and ground inputs from the multi-function switch through circuits CRW20 (GY/YE) and CRW21 (YE/VT) to activate the wiper to the appropriate speeds.
Possible Causes
- Fuse(s)
- Open in circuit SBB19 (BU/RD), CBP43 (GY) or GD149 (BK/GY)
- Multi-function switch
- Rear window wiper motor