- Perform the
Diagnostic System Check - Radio/Audio System
before using the Symptom Tables in
order to verify that all of the following are true:
| • | The control module(s) can communicate via the serial data link. |
- Review the system operation in order to familiarize yourself with
the system functions. Refer to:
Visual/Physical Inspection
| • | Inspect for easily accessible or visible system components for
obvious damage or conditions which could cause the symptom. |
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:
