Test B: The Windshield Wipers Stay On Continuously

PINPOINT TEST B: THE WINDSHIELD WIPERS STAY ON CONTINUOUSLY

B1-B2:

B3-B5:

Normal Operation
During normal operation, the windshield wiper motor receives voltage at all times through battery junction box (BJB) fuse 1 (30A), circuit 65 (DG). The windshield wiper motor also receives power with the ignition switch in RUN or ACC positions through central junction box (CJB) fuse 33 (15A), circuit 1002 (BK/PK). Ground is provided to the windshield wiper motor through circuit 676 (PK/OG) and circuit 57 (BK). The run/park and high/low relays are contained in the wiper motor electronics. Mode of operation is dependant on the signal(s) received from the multifunction switch.

Possible Causes
- Multifunction switch
- Open in circuit 57 (BK)
- Short to ground in circuit 56 (DB/OG), 58 (WH), 61 (YE/RD) or 63 (RD)
- Windshield wiper motor