Possible Causes
| Possible Causes |
|---|
| AIR SUSPENSION RELAY |
| COMPRESSOR RELAY SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| COMPRESSOR RELAY RETURN CIRCUIT OPEN OR HIGH RESISTANCE |
| COMPRESSOR RELAY RETURN CIRCUIT SHORTED TO GROUND |
| COMPRESSOR RELAY SIGNAL CIRCUIT SHORTED TO COMPRESSOR RELAY RETURN CIRCUIT |
| AIR SUSPENSION CONTROL MODULE (ASCM) |
Always perform the ASCM PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to ASCM PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .