88
Control Units
Driver identification
control unit J589
(one touch memory)
The control unit implements a convenience
system which assists the driver in making
individual settings for various vehicle systems.
It permits the storage of individual settings for
four different users in the vehicle.
The control unit is located in the centre
console next to the gearstick/selector lever.
Design
The entry and start authorisation button E408
and driver identification control unit form one
physical unit.
The button features an integrated sensor foil
with electrical connections which can detect
finger contact.
Operation
On pressing the entry and start authorisation
button, the fingerprint is read in via the sensor
foil.
Following successful identification of a
matched user, a user ID is transmitted to the
convenience CAN by the driver identification
control unit if terminal S is active.
The user ID is recognised by all control units
involved in memory control.
The personalised settings stored are then
activated and implemented.
SSP287_031
SSP287_011
