GM Service Manual Online
For 1990-2009 cars only

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Wiper/Washer System Description and Operation and Rear Wiper/Washer System Description and Operation .

Visual/Physical Inspection

    • Inspect the washer fluid reservoir for the proper fluid level and condition.
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
    • Inspect for aftermarket devices which could affect the operation of the Windshield Wiper/Washer System.

Intermittent

    • If the wipers operate at low speed for approximately 3 seconds and then stop, the wiper motor park switch, or its signal circuit, may be malfunctioning. Refer to Wipers Inoperative - One or More Modes .
    • Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

    •  Washers Always On
    •  Washers Inoperative
    •  Wipers Always On
    •  Wipers Inoperative - All Modes
    •  Wipers Inoperative - One or More Modes
    •  Rear Washer Inoperative
    •  Rear Wiper Always On
    •  Rear Wiper Inoperative