E 350 Sedan (212.056) V6-3.5L (272.980) (2010)
Power Seat Control Module: Description and Operation
GF91.25-P-5210FL Dynamic Multicontour Seat Control Unit, Component Description
- with CODE (432) Left and right dynamic multicontour seat
Component Identification
Location
The left front dynamic multicontour seat control unit (N32/19) or right front dynamic multicontour seat control unit (N32/22) is located in the center of
the backrest frame of the driver or passenger seat.
Tasks
-
Inflating or deflecting multicontour backrest according to requirements read in by the driver dynamic multicontour seat button group (S109) or
passenger dynamic multicontour seat button group (S108)
-
Control of massage function via left front seat massage function actuator motor (M94) or right front seat massage function actuator motor (M95),
actuated by the massage function button (S108s1) (driver) or the massage function button (S109s1) (passenger)
-
Control of dynamic lateral support, actuated by the dynamic button (S108s6) (driver) or dynamic button (S109s6) (passenger)
-
Reading in voltage-coded driver dynamic multicontour seat button group or passenger dynamic multicontour seat button group
-
Communication via interior CAN (CAN B) with driver seat control unit (N32/1) or passenger seat control unit (N32/2)
-
Adjusting stored pressure values when calling memory function and storing actual contours (with code (275) Electrically adjustable front seats
with memory package)
-
Shutoff of the respective function if the pressure valve responsible has overheated
These are grouped as follows:
^
Reading in of sensors and signals
^
Evaluation of input factors
^
Actuation of components
Reading in of sensors and signals
These input factors are read in via the following connections:
^
Direct line
^
Interior CAN
Direct line
-
Circuit 30g
-
Tml. 31
The following sensors are read in via direct lines:
-
Driver dynamic multicontour seat button group (S109) or
-
Passenger dynamic multicontour seat button group (S108)
-
Limit switch in left front seat massage function actuator motor (M94) or
-
Limit switch in right front seat massage function actuator motor (M95)
Interior CAN
The dynamic multicontour seat control unit communicates via interior CAN with:
-
Driver seat control unit (N32/1); adjustment storage of driver seat seat contours (with code (275) Electrically adjustable front seats with memory
package)
-
Passenger seat control unit (N32/2); adjustment and storage of passenger seat seat contours (with code (275) Electrically adjustable front seats
with memory package)
-
Dynamic multicontour seat pneumatic pump (M40/1); control of compressed air supply