Electrical Function Schematic For Front Seat Heater - PE91.30-P-2056-97XBB
Model 257, 290
up to model year 2021
with code 902 (Seat heater Plus for driver and front passenger)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 14D |
| 2 | Seat climate control switch group, status | 11K |
| 2 | Seat climate control switch group, status | 21K |
| 3 | Seat heater, request | 15D |
| 3 | Seat heater, request | 17G |
| 3 | Seat heater, request | 16G |
| 3 | Seat heater, request | 12F |
| 3 | Seat heater, request | 17D |
| 3 | Seat heater, request | 7J |
| 3 | Seat heater, request | 25J |
| 3 | Seat heater, request | 20F |
| 4 | Seat heater, actuation | 26F |
| 4 | Seat heater, actuation | 6F |
| 4 | Seat heater, actuation | 4J |
| 4 | Seat heater, actuation | 28H |
| 5 | Heater pad temperature sensor, signal | 8F |
| 5 | Heater pad temperature sensor, signal | 5J |
| 5 | Heater pad temperature sensor, signal | 27H |
| 5 | Heater pad temperature sensor, signal | 24F |
| 6 | Seat heater, status | 18F |
| 6 | Seat heater, status | 14F |
| 6 | Seat heater, status | 14K |
| 6 | Seat heater, status | 18K |
| 6 | Seat heater, status | 9K |
| 6 | Seat heater, status | 22K |
| 6 | Seat heater, status | 24H |
| 6 | Seat heater, status | 8G |
| 7 | Interior temperature, signal | 18D |
| CAN B | Interior CAN | 19F |
| CAN B | Interior CAN | 13F |
| CAN B | Interior CAN | 15J |
| CAN B | Interior CAN | 17J |
| CAN B | Interior CAN | 15B |
| CAN B | Interior CAN | 18B |
| CAN B | Interior CAN | 13E |
| CAN B | Interior CAN | 19E |
| Code 432 | Left and right front dynamic multicontour seat | 11A |
| LIN B18 | Driver seat LIN | 7H |
| LIN B19 | Front passenger seat LIN | 25H |
| LIN B5 | Left front door LIN | 10K |
| LIN B6 | Right front door LIN | 21K |
| N10/8 | Rear SAM control unit | 16D |
| N22/1 | Climate control control unit | 22D |
| N25/4 | Front passenger seat heater control unit | 26J |
| N25/5 | Driver seat heater control unit | 6J |
| N32/1 | Driver seat control unit | 10F |
| N32/15 | Left front multicontour seat control unit | 12B |
| N32/16 | Right front multicontour seat control unit | 20B |
| N32/2 | Front passenger seat control unit | 22F |
| N69/1 | Left front door control unit | 12J |
| N69/2 | Right front door control unit | 19J |
| N73 | Electronic ignition switch control unit | 9D |
| R13/1 | Left front seat cushion heater pad | 4J |
| R13/11 | Left front seat cushion side bolster heater pad | 5F |
| R13/11b1 | Left front seat cushion side bolster heater pad temperature sensor | 5F |
| R13/12 | Left front seat backrest side bolster heater pad | 5F |
| R13/12b1 | Left front seat backrest side bolster heater pad temperature sensor | 5G |
| R13/13 | Right front seat cushion side bolster heater pad | 26F |
| R13/13b1 | Right front seat cushion side bolster heater pad temperature sensor | 26F |
| R13/14 | Right front seat backrest side bolster heater pad | 26F |
| R13/14b1 | Right front seat backrest side bolster heater pad temperature sensor | 26F |
| R13/1b1 | Left front seat sitting surface heater pad temperature sensor | 4J |
| R13/2 | Left front seat backrest heater pad | 4K |
| R13/2b1 | Left front seat backrest heater pad temperature sensor | 4K |
| R13/3 | Right front seat cushion heater pad | 29H |
| R13/3b1 | Right front seat sitting surface heater pad temperature sensor | 29H |
| R13/4 | Right front seat backrest heater pad | 29J |
| R13/4b1 | Right front seat backrest heater pad temperature sensor | 29J |
| S51/1 | Left front seat climate control switch group | 8J |
| S51/1s2 | Left front seat heater switch | 8K |
| S51/2 | Right front seat climate control switch group | 23J |
| S51/2s2 | Right front seat heater switch | 23K |