For 1990-2009 cars only
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the radio. Refer to Checking Aftermarket Accessories . |
| • | 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 .
Symptoms
Refer to the symptom diagnostic procedure from the following list in order to diagnose the symptom:
