Symptoms - Wiper/Washer Systems

Symptoms - Wiper/Washer Systems

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



1. Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) before using the Symptom Tables in order to verify that all of the following are true:

* There are no DTCs set.
* The control modules can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Wiper/Washer System Description and Operation (Description and Operation) .



Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the wiper/washer system. Refer to Checking Aftermarket Accessories (Component Tests and General Diagnostics) .
* 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. Refer to Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics) .


Symptom List

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

* Windshield Wiper System Malfunction (Windshield Wiper System Malfunction)
* Windshield Wiper Washer System Malfunction (Windshield Wiper Washer System Malfunction)
* Rear Wiper Washer System Malfunction (Rear Wiper Washer System Malfunction)