Seat Heater Control Unit, Component Description - GF91.30-P-5214FG
Model 213
up to model year 2021
with code 902 (Seat heater Plus for driver and front passenger)
except code 401 (Climatised front seats)
except code 872 (Left and right rear seat heating)
except code 873 (Left and right driver's seat heating)
except code 903 (Rear comfort seat heating)
Location
The seat heater control unit is located on the seat frame of each seat.
Task
The driver seat heater control unit communicates over the driver seat LIN (LIN B18) with the driver seat control unit (N32/1).
Depending on the request involved, the driver seat heater control unit actuates the following heater pads directly:
- Left front seat cushion heater pad (R13/1)
- Left front seat backrest heater pad (R13/2)
For temperature control of the seat heater, the driver seat heater control unit reads in the signals from the following temperature sensors directly:
- Left front seat cushion heater pad temperature sensor (R13/1b1)
- Left front backrest heater pad temperature sensor (R13/2b1)
The front passenger seat heater control unit communicates over the front passenger seat LIN (LIN B19) with the front-passenger seat
control unit (N32/2).
Depending on the request involved, the front passenger seat heater control unit actuates the following heater pads directly:
- Right front seat cushion heater pad (R13/3)
- Right front seat backrest heater pad (R13/4)
For temperature control of the seat heater, the front passenger seat heater control unit reads in the signals from the following temperature sensors directly:
- Right front seat cushion heater pad temperature sensor (R13/3b1)
- Right front backrest heater pad temperature sensor (R13/4b1)
| Wiring diagram for driver seat heater control unit | PE91.30-P-2104-97DBA | ||
| Wiring diagram for front passenger seat heater control unit | PE91.30-P-2104-97DBB |