System Description

SUSPENSION CONTROL SYSTEM


System Description


SUSPENSION CONTROL SYSTEM
The suspension control system consists of the following components
- Suspension control unit
- Compressor motor relay
- Suspension air compressor
- Exhaust valve solenoid (built into suspension air compressor)
- Height sensor
The suspension control unit monitors vehicle ride height as indicated by the height sensor. The suspension control unit actuates the compressor motor relay to raise the vehicle ride height. The suspension control unit actuates the exhaust valve solenoid to lower the vehicle ride height.

CK SUSP INDICATOR LAMP
The CK SUSP indicator lamp ground is controlled by the suspension control unit. The indicator lamp will come on for 2 seconds when the ignition switch is turned ON. If the indicator lamp does not turn OFF there is a fault detected. Scan Tool Testing and Procedures.