Prior to using the system for the first time, the Bluetooth mobile phone
that is to be used must be paired with
the ULF control module. This pairing procedure is necessary in order to assign
the digital code of the mobile
phone to the ULF control module installed in the vehicle. The pairing proced
Fig. 3: Identifying 2-Axle Ride-Height Control System Components
Air suspension strut, front left and right
Ride height sensor, front left and right
Vertical Dynamics Management (VDM) control unit
Air suspension strut, real left and right
Relay, air supply unit
Electronic ride-height control