Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Vehicle
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
instrument panel cluster or audible warnings 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 for the proper fluid levels. |
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:
