Diagnostic Starting Point - Wiper/Washer

IMPORTANT: Review the system operation in order to familiarize yourself with the system functions. Refer to Wiper/Washer System Operation.

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the Wiper/Washer System. Refer to Checking Aftermarket Accessories.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Ensure all mechanical components are operative before diagnosing the electrical portion of the system.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Diagrams.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Wipers All Modes Inoperative
- Wipers Delay Mode Inoperative
- Wipers High Mode Inoperative, Low Mode Operates
- Wipers Low Mode Inoperative, High Mode Operates
- Wipers Always On
- Wipers Blades Do Not Park
- Washers Inoperative
- Washers Always On