For 1990-2009 cars only
Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Roof Description .
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the radio. 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 mechanical binding. |
Intermittents
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Symptoms
Refer to the symptom diagnostic procedure from the following list in order to diagnose the symptom:
