Important: The following steps must be completed before using the symptom tables.
- Perform the 
Diagnostic System Check - Wiper/Washer 
 before using the Symptom
Tables in order to verify that all of the following are true:
 
| •  | The control modules can communicate via the serial data link. | 
 
- Review the system operation in order to familiarize yourself with the
system functions. Refer to the following:
 
Visual/Physical Inspection
|     •  | Inspect for aftermarket devices which could affect the operation of
the Windshield Wiper/Washer System. Refer to 
Checking Aftermarket Accessories 
 in Wiring Systems. | 
 
|     •  | 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.
Refer to 
Testing for Intermittent Conditions and Poor Connections 
 in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to
diagnose the symptom: