Circuit/System Verification
- Ignition ON, wiper switch in the OFF position, observe the scan tool Windshield Washer Switch parameter while cycling the WASH switch ON and OFF. The parameter should cycle between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to Windshield Wiper Switch Circuit Malfunction.
- Operate the washers using the WASH switch. Verify the washer pump activates and the low speed wipers turn on.
- If the washer pump does not activate, refer to Washer Pump Circuit Malfunction.
- If the low speed wipers do not turn on, refer to WINDSHIELD WIPER SYSTEM MALFUNCTION (FRONT) and WINDSHIELD WIPER SYSTEM MALFUNCTION (REAR) .