A Symptoms - Wiper/Washer Systems

SYMPTOMS

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle, before using the Symptom Tables in order to verify that all of the following are true: Refer to Diagnostic System Check - Vehicle. Diagnostic System Check - Vehicle

- There are no DTCs set.
- The control modules can communicate via the serial data link. Diagnostic System Check - Vehicle
2. 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 wiper/washer system.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Ensure that 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.

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