- Symptoms - Wiper/Washer Systems

SYMPTOMS

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

1. Perform Diagnostic System Check - Vehicle, in order to verify that all of the following conditions are true:
- No DTCs are set.
- - The control modules can communicate via the serial data link. Testing and Inspection
2. Refer to the system description and operation from the following list in order to familiarize yourself with the system functions:
- Wiper/Washer System Description and Operation (STS) Wiper/Washer System Description and Operation (STS V)
- Headlamp Washer System Description and Operation

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the Windshield Wiper/Washer System.
- Inspect the easily accessible or visible system components for obvious damage or conditions 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.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Low Washer Fluid Indicator Malfunction
- Washers Always On
- Washers Inoperative (Washer Pump)
- Wipers Always On
- Wipers Inoperative - All Modes (STS)
- Wipers Inoperative - All Modes (STS V)
- Wipers Inoperative - One or More Modes
- Moisture Sensing Feature Inoperative
- Washers Inoperative - Headlamp
- Washers Always On - Headlamp