Component Description For Driver Seat Control Unit - GF91.29-P-5231GRA

MODEL 166 up to model year 2016 without CODE 275 (Memory package (driver seat, steering column, mirrors)) 

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 controls the seat setting as per the requests via center console switch LIN (LIN B12).

The tasks are subdivided as follows:

• Reading in of sensors and signals 
• Evaluation of input factors 
• Actuation of components 

Reading in of sensors and signals 

The driver seat control unit reads in the requests for seat setting via center console switch LIN.

Evaluation of input factors 

The read in input factors are evaluated by the driver seat control unit. The seat adjustment motors are actuated via integrated relays.

Actuation of components 

The following seat adjustment motors are actuated via direct lines:

• Driver seat fore/aft adjustment motor (M27/1) (with CODE 560 (Left and right electrically adjustable driver seat))
• Driver seat height adjustment motor (M27/2)
• Driver seat inclination adjustment motor (M27/3)
• Driver seat backrest inclination adjustment motor (M27/5)

The driver seat control unit supplies the driver seat lumbar support adjustment control unit (N32/23) (with CODE 560 (Left and right electrically adjustable driver seat)) with voltage.

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-2104-97NAA