Component Description For Driver Seat Control Unit - GF91.29-P-5231GN
MODEL 166 as of model year 2016
with CODE 275 (Memory package)
MODEL 292
with CODE 275 (Memory package)
Shows model 166.0
Location
The driver seat control unit is located at the bottom of the driver seat frame.
Task
The driver seat control unit is responsible for the following tasks:
- Reading in of sensors and signals
- Evaluation of input factors
- Controlling functions
- Actuation of components
- Transmitting signals
Reading in of sensors and signals
The input factors are read in via the following connections:
- Direct line
- Interior CAN (CAN B)
Direct line
The signals from the following sensors are read via direct lines:
- Steering column in/out Hall sensor (M20/1b1)
- Steering column up/down Hall sensor (M20/2b1)
- Seat fore/aft adjustment Hall sensor, driver seat (M27/1b1)
- Height adjustment Hall sensor, driver seat (M27/2b1)
- Inclination adjustment Hall sensor, driver seat (M27/3b1)
- Head restraint adjustment Hall sensor, driver seat (M27/4b1)
- Backrest inclination Hall sensor, driver seat (M27/5b1)
Interior CAN
The signals are read in by the driver seat control unit over the interior CAN. The functions that use these signals are described in the individual function descriptions (see appropriate block diagram or function schematic).
Evaluation of input factors
The input factors that have been read in are evaluated by the integrated microprocessor and the relevant components are then actuated.
Controlling functions
The driver seat control unit controls the following functions:
- Seat and steering column adjustment
- Easy entry/exit
- Memory function for seat, outside mirrors and steering column
- Control of collision avoidance feature with rear bench seat
Actuation of components
The following components are actuated via direct lines:
- Steering column in/out adjustment motor (M20/1)
- Steering column up/down adjustment motor (M20/2)
- Driver seat fore/aft adjustment motor (M27/1)
- Driver seat height adjustment motor (M27/2)
- Driver seat inclination adjustment motor (M27/3)
- Driver seat head restraint adjustment motor (M27/4)
- Driver seat backrest inclination adjustment motor (M27/5)
- Left front seat cushion seat ventilation motors (M18/9) (with CODE 401 (Seat climate control for driver and front passenger))
- Left front backrest seat ventilation motors (M18/10) (with CODE 401 (Seat climate control for driver and front passenger))
- Left front seat cushion heater pad (R13/1) (with CODE 873 (Seat heater for driver and front passenger) or CODE 401 (Seat climate control for driver and front passenger))
- Left front backrest heater pad (R13/2) (with CODE 873 (Seat heater for driver and front passenger) or CODE 401 (Seat climate control for driver and front passenger))
- Left rear footwell lamp (E17/17) (with CODE 876 (Interior lights package))
MODEL 166 as of model year 2016
with CODE 275 (Memory package)
without CODE 399 (Multicontour front seats with massage function)
MODEL 292
with CODE 275 (Memory package)
without CODE 399 (Multicontour front seats with massage function)
The driver seat control unit supplies the driver seat lumbar support adjustment control unit (N32/23) with power.
Transmitting signals
The signals are sent by the driver seat control unit over the interior CAN. The functions that use these signals are described in the individual function descriptions (see appropriate block diagram or function schematic).
Variants
There are no variants for the hardware of the driver seat control unit. The country or left-hand drive vehicle/right hand drive vehicle allocation is software coded.
| Wiring diagram of driver-side seat control unit | PE91.29-P-2104-97NBA |