Possible Causes
| Possible Causes |
|---|
| MICROPHONE 2 IN (+) CIRCUIT SHORTED TO BATTERY VOLTAGE |
| MICROPHONE 2 IN (-) CIRCUIT SHORTED TO BATTERY VOLTAGE |
| INSIDE REARVIEW MIRROR |
| RADIO |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to STANDARD PROCEDURE .