For 1990-2009 cars only
Important:
• No DTCs are set. • The control module(s) can communicate via the serial data link.
Visual/Physical Inspection
| • | Inspect for aftermarket devices which may affect the operation of the lighting system. Refer to Checking Aftermarket Accessories . |
| • | 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 in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
