R Unable To Detect Raising of LF Corner

Unable to Detect Raising of Left Front Corner

PINPOINT TEST R: UNABLE TO DETECT RAISING OF LEFT FRONT CORNER:

PINPOINT TEST R: UNABLE TO DETECT RAISING OF LEFT FRONT CORNER (Continued):

The Control Module has not received signal that left front corner of vehicle was raised during the Auto Test check. There are nine possible causes of this which are listed below:
1. Air suspension height sensor linkage arm is not connected properly to vehicle and/or air suspension height sensor.
2. An air line may be inoperative.
3. Left front solenoid valve may be inoperative.
4. Left front air spring Battery Positive Voltage (B+) power supply circuit may have an open in it.
5. Left front air spring ground return circuit may have an open in it.
6. Air compressor may be inoperative.
7. Air compressor B+ power supply circuit may have an open in it.
8. Air compressor ground return circuit may have an open in it.
9. Control Module may be inoperative.