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
The "USB/audio interface" supports the playback of audio files stored on mass
storage devices with USB
connections such as USB sticks, MP3 players etc.
USB is a serial bus system that allows fast and simple connection of terminal
devices to computer systems.
The mass storage medium can be found