IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If a brake lining sensor that has already been
Fig. 103: Identifying Electronic Components
DSC control unit
Rotation rate sensor
Brake-pad-wear sensor
Pulse generator
REMOVING AND INSTALLING / REPLACING DSC CONTROL UNIT
IMPORTANT: Read and
Special tools required:
31 3 341
31 3 351
31 3 353
WARNING: Observe the following instructions to avoid any risk of injury
by the coil
springs.
Prior to each use, check the special tools for defects, modifications
and operational reliability.
Damaged/modified special tools must not be used
Display key battery
General information
Follow the following information:
If the charge state of the display key battery
declines, the display is switched off automatically.
The battery must be recharged so that
the display can be switched back on. The operability
of the standard buttons is re