Possible Causes
| Possible Causes |
|---|
| SHAKER MICROPHONE AND ESEM CONNECTIONS |
| ENGINE ON SIGNAL CIRCUIT OPEN |
| ENGINE ON SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT |
| ENGINE ON SIGNAL CIRCUIT SHORTED TO GROUND |
| ENGINE ON SIGNAL CIRCUIT SHORT TO VOLTAGE |
| SHAKER MICROPHONE |
| ENGINE SOUND ENHANCEMENT MODULE (ESEM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to STANDARD PROCEDURE .