Test D: The Washer Pump Is Inoperative

PINPOINT TEST D: THE WASHER PUMP IS INOPERATIVE

D1-D5:

D5-D9:

D9-D11:

D12:

Normal Operation
The washer switch portion of the multi-function switch grounds circuit 680 (LB/OG) which signals the smart junction box (SJB) to energize the washer pump relay. The relay provides voltage to the windshield washer pump through circuit 941 (BK/WH). The washer pump is grounded through circuit 57 (BK).

Possible Causes
- Fuse(s)
- Circuit 57 (BK) open
- Circuit 680 (LB/OG) open or short to ground
- Circuit 941 (BK/WH) open
- Multi-function switch
- SJB
- Windshield washer pump