Normal Operation
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
The rear washer pump receives power from the SJB fuse 21 (10A) through circuit 406 (BN/WH). The multi-function switch provides ground for the rear washer pump through circuit 488 (DG) and circuit 57 (BK). The multi-function switch also provides a ground to the SJB through circuit 488 (DG) which activates the rear wiper motor.