5 Series E60 M5 (S85) SAL
The steering angle sensor determines the steering angle in the steering column switch cluster (SZL). The
SZL sends the signal to the DSC control unit via the F-CAN (chassis CAN).
•
Steering-angle rate
The steering angle sensor also determines the steering-angle speed in the steering column switch cluster
(SZL). The SZL sends the signal to the DSC control unit via the F-CAN (chassis CAN).
-
DME or DDE: Digital engine electronics or Digital diesel electronics
The engine control unit delivers the "Engine running" signal.
The seat back width adjustment is only activated when the engine is running.
-
SGM or KGM: Safety and gateway module or body gateway module
>up to 09/2005
The SGM is the gateway between the PT-CAN and the K-CAN. The diagnosis wire is connected to the SGM.
>from 09/2005
The KGM is the gateway between the PT-CAN and the K-CAN. The diagnosis wire is connected to the KGM.
-
SMFA and SMBF: Driver's seat module and front-passenger seat module
The seat module controls the seat memory. The seat module sends a CAN message in order to set a specific
seat back width (memory for seat back width adjustment).
Signal path: Seat module -> K-CAN -> Safety and gateway module (SGM) -> PT-CAN -> ALBFA or ALBBF
The following components are controlled:
-
Drive for active seat back width adjustment
A drive for seat back width adjustment is located in the left- and right-hand seat backrests.
During cornering, the drive on the outside adjusts the seat back width.
The backrest side section is moved in the process.
[more ...]
-
LEDs in the centre console switch cluster
3 LEDs are positioned above the button in the SZM. The LEDs are activated depending on which characteristic
map is selected (Comfort, Normal, Sport).
[more ...]
System functions
The following system functions of active seat back width adjustment are described:
-
Active seat back width adjustment
-
Undervoltage and overvoltage
-
Easy Entry facility for driver's seat and front-passenger seat
-
Centring for setting of seat back width adjustment
-
Soft start and soft stop of seat back width adjustment drive
-
Memory for the seat back width
-
Special feature of MDrive in M5
Active seat back width adjustment
If the active seat back width adjustment is activated, the outside backrest side section is activated during
cornering. The drive adjusts the backrest side section during cornering until the lateral forces are supported. A
stable seat position is thus maintained.
SBT Active seat back width adjustment E60, E61
BMW AG - TIS
23.02.2013 20:09
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 3 -
