Test B: The Wipers are Inoperative - Rear Window

PINPOINT TEST B: THE WIPERS ARE INOPERATIVE - REAR WINDOW

Normal Operation
During normal operation, the rear wiper motor receives voltage at all times through smart junction box (SJB) fuse 19 (25A), circuit SBP19 (BU/RD). The rear wiper motor also receives power with the ignition switch in RUN or ACC positions through SJB fuse 43 (10A), circuit CBP43 (GY). Ground is provided to the windshield wiper motor through circuit GD150 (BK/WH). 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 modes. The multi-function switch supplies a ground input to the rear wiper motor on CRW21 (YE/VT) when INT 1 is selected. The multi-function switch supplies ground to the rear wiper motor on CRW21 (YE/VT) and CRW20 (GY/YE) when INT 2 is selected.

This pinpoint test is intended to diagnose the following:
- Fuse(s)
- Wiring, terminals or connectors
- Rear window wiper motor
- Multi-function switch

B1-B3:

B4-B6:

B7: