Important: For the inside rearview mirror with the automatic day-night feature or the rear window defogger, review the system operation in order to familiarize yourself with the system functions. Refer to the following:
• | Inspect for aftermarket devices which could affect the operation of the rear window defogger and the automatic day-night feature of the inside rearview mirror. Refer to Checking Aftermarket Accessories in Wiring Systems. |
• | Inspect the easily accessible or visible system components for obvious damage or conditions which may cause the symptom. |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom: