Symptoms - Mobile Communication
Note: The following steps must be completed before using the symptom tables.
- Perform the Diagnostic System Check - Vehicle .
• | The control modules can communicate via the serial data link. |
- Review the system description and operation in order to familiarize yourself with the system functions. Refer to Cellular Telephone Description and Operation .
Visual/Physical Inspection
• | Inspect the easily accessible or visible system components, for obvious damage or conditions, which may 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 .
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
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