With code 432 (Left and right dynamic multicontour seat), shown on driver seat of model 222 |
N25/4 | Front passenger seat heater control unit |
N25/5 | Driver seat heater control unit |
P91.30-2589-04
Model 222 with code P43 (Rear seat comfort package), shown on left rear seat |
N25/11 | Left rear seat heater control unit |
N25/12 | Right rear seat heater control unit |
P91.30-2671-12
With code 872 (Seat heater in rear), shown on model 222 |
N25/6 | Rear seat heaters control unit |
P91.30-2593-04
Location
In vehicles with code 432 (Left and right dynamic multicontour seat) or model 222 with code P43 (Rear seat comfort package), the seat heater control unit is located on the seat frame of the respective seat.
On vehicles with code 872 (Seat heater in rear), the seat heater control unit is behind the left rear seat.
Tasks
Vehicles with code 432 (Left and right dynamic multicontour seat):
Driver seat heater control unit:
Control of seat heater as per requests via the driver seat LIN (LIN B18)
Reading in the signals of the front left seat cushion heater pad temperature sensor (R13/1b1) and the front left backrest heater pad temperature sensor (R13/2b1)
Actuation of the left front seat cushion heater pad (R13/1) and the left front backrest heater pad (R13/2)
Front passenger seat heater control unit:
Control of seat heater as per requests via the front passenger seat LIN (LIN B19)
Reading in the signals of the right front seat cushion heater pad temperature sensor (R13/3b1) and the right front backrest heater pad temperature sensor (R13/4b1)
Actuation of the right front seat cushion heater pad (R13/3) and the right front backrest heater pad (R13/4)
Model 222 with code P43 (Rear seat comfort package):
Left rear seat heater control unit:
Control of seat heater as per requests via the left rear seat LIN (LIN B20)
Reading in the signals of the left rear seat cushion heater pad temperature sensor (R13/5b1) and the left rear backrest heater pad temperature sensor (R13/6b1)
Actuation of the left rear seat cushion heater pad (R13/5) and the left rear backrest heater pad (R13/6)
Right rear seat heater control unit:
Control of seat heater as per requests via the right rear seat LIN (LIN B21)
Reading in the signals of the right rear seat cushion heater pad temperature sensor (R13/7b1) and the right rear backrest heater pad temperature sensor (R13/8b1)
Actuation of the right rear seat cushion heater pad (R13/7) and the right rear backrest heater pad (R13/8)
Vehicles with code 872 (Seat heater in rear):
Rear seat heater control unit:
Control of seat heater as per requests via the heater LIN (LIN B28)
Actuation of the left rear seat cushion heater pad, the left rear backrest heater pad, the right rear seat cushion heater pad and the right rear backrest heater pad
Wiring diagram for seat heater control unit | Model 217, 222 up to model year 2018 with code 432 (Dynamic seats left and right) | ||
Model 217, 222 as of model year 2018 with code 432 (Dynamic seats left and right) | |||
Model 222 up to model year 2018 with code P43 (Rear seat comfort package) | |||
Model 217, 222 as of model year 2018 with code 432 (Dynamic seats left and right) | |||
Model 222 up to model year 2018 with code P43 (Rear seat comfort package) | |||
Model 222 as of model year 2018 with code P43 (Rear seat comfort package) | |||
Model 222 up to model year 2018 with code P43 (Rear seat comfort package) | |||
Model 222 as of model year 2018 with code P43 (Rear seat comfort package) | |||
Wiring diagram for rear seat heater control unit | Model 217, 222 up to model year 2018 with code 872 (Left and right rear seat heating) | ||
Model 217, 222 as of model year 2018 with code 872 (Left and right rear seat heating) |