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 .

Visual/Physical Inspection

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

Intermittent

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:

    •  Wipers Do Not Work on High Speed
    •  Wipers Do Not Work on Low Speed
    •  Wipers Do Not Work on Intermittent
    •  Washers Inoperative
    •  Wipers Inoperative - All Modes
    •  Wipers Blades Do Not Park
    •  Moisture Sensing Feature Inoperative