Test D: The Rear Window Wiper Stays On Continuously

PINPOINT TEST D: THE REAR WINDOW WIPER STAYS ON CONTINUOUSLY

D1-D2:

D3-D5:

Normal Operation
Under normal operation, 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
- Short to ground in circuits CRW20 (GY/YE) or CRW21 (YE/VT)
- Open in circuit GD145 (BK/BU)
- Inoperative rear window wiper motor
- Inoperative multi-function switch