Important: The following steps must be completed before using the symptom tables.
| - | The control modules can communicate via the serial data link. |
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the
navigation system components. 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. |
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:
