Windshield Washer Pump: Testing and Inspection

Testing Pulse W/S Wiper-Washer Switch:

Wiper-Washer Switch Check Chart:

Washer Pump On-Car Check:

Check washer pump operation before removing wiper assembly from the vehicle. Disconnect (cover) wiring harness connection to wiper cover connector. Then apply a (+) 12 volt DC (source) voltage to wiper terminals see the third image, "Washer Pump On-Car Check."

1. If washer pump motor does not run or does not pump water, replace washer pump.

2. If washer pump motor runs and pumps water, the problem is in the wiper wiper switch, refer to "Wiper/Washer Switch Check Chart."