Electrical Function Schematic For Front Seat Heater - PE91.30-P-2056-97SEA
Model 217 with code 401 (Climatised front seats)
Model 217 with code 432 (Dynamic seats left and right)
Model 217 with code 873 (Left and right drivers seat heating)
Model 222 with code 401 (Climatised front seats)
Model 222 with code 432 (Dynamic seats left and right)
Model 222 with code 873 (Left and right drivers seat heating)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 10G |
| 10 | Switch-on request, signal | 5D |
| 10 | Switch-on request, signal | 2D |
| 11 | Low voltage differential signal video signal data transfer, signal | 6D |
| 12 | High-speed video link video signal data transfer, signal | 3D |
| 13 | Heat output adjustment, request | 10H |
| 13 | Heat output adjustment, request | 9K |
| 14 | Heat output adjustment, status | 6H |
| 14 | Heat output adjustment, status | 10J |
| 2 | Seat adjustment switch group, status | 11G |
| 2 | Seat adjustment switch group, status | 13D |
| 2 | Seat adjustment switch group, status | 16B |
| 2 | Seat adjustment switch group, status | 17K |
| 3 | Seat heater, request | 22E |
| 3 | Seat heater, request | 22G |
| 3 | Seat heater, request | 28D |
| 3 | Seat heater, request | 28G |
| 3 | Seat heater, request | 10E |
| 4 | Seat heater, actuation | 27J |
| 4 | Seat heater, actuation | 26B |
| 4 | Seat heater, actuation | 29F |
| 4 | Seat heater, actuation | 20G |
| 4 | Seat heater, actuation | 21B |
| 4 | Seat heater, actuation | 29C |
| 5 | Heating element temperature sensor, signal | 28G |
| 5 | Heating element temperature sensor, signal | 29D |
| 6 | Seat heater status indication, request | 14D |
| 6 | Seat heater status indication, request | 17B |
| 6 | Seat heater status indication, request | 19K |
| 6 | Seat heater status indication, request | 14K |
| 7 | Seat heater, status | 13E |
| 7 | Seat heater, status | 13F |
| 8 | Interior temperature, signal | 11D |
| 9 | Operation, signal | 3H |
| A105 | Touchpad | 2J |
| A26/17 | Head unit | 3F |
| A40/3 | COMAND control unit | 6F |
| A40/8 | Audio/COMAND display | 4A |
| A40/9 | Audio/COMAND control panel | 5K |
| CAN A | Telematics CAN | 3H |
| CAN A | Telematics CAN | 6E |
| CAN A | Telematics CAN | 2E |
| CAN B | Interior CAN | 16F |
| CAN B | Interior CAN | 16E |
| CAN B | Interior CAN | 13K |
| CAN B | Interior CAN | 10H |
| CAN B | Interior CAN | 14E |
| CAN B | Interior CAN | 9F |
| CAN B | Interior CAN | 12C |
| CAN HMI | User interface CAN | 8K |
| Code 401 | Seat climate control for driver and front passenger | 19A |
| Code 401 | Seat climate control for driver and front passenger | 17G |
| Code 432 | Left and right front dynamic multicontour seat | 7A |
| Code 432 | Left and right front dynamic multicontour seat | 26A |
| Code 446 | Touchpad only | 1J |
| Code 873 | Right and left front seat heaters | 19A |
| Code 873 | Right and left front seat heaters | 17G |
| HSVL | High-speed video link | 3E |
| LIN B18 | Driver seat LIN | 25D |
| LIN B19 | Front passenger seat LIN | 25G |
| LIN B5 | Left front door LIN | 16B |
| LIN B6 | Right front door LIN | 18K |
| LVDS | Low voltage differential signal | 7E |
| N10/8 | Rear SAM control unit | 11D |
| N22/1 | Climate control, control unit | 12A |
| N25/4 | Front passenger seat heater control unit | 28G |
| N25/5 | Driver seat heater control unit | 28D |
| N32/1 | Driver seat control unit | 22C |
| N32/15 | Left front multicontour seat control unit | 9A |
| N32/16 | Right front multicontour seat control unit | 9B |
| N32/2 | Front passenger seat control unit | 22G |
| N69/1 | Left front door control unit | 14A |
| N69/2 | Right front door control unit | 15J |
| N73 | Electronic ignition switch control unit | 10J |
| R13/1 | Left front seat sitting surface heated cushion | 30C |
| R13/1 | Left front seat sitting surface heated cushion | 19B |
| R13/11 | Left front seat cushion side bolster heater pad | 27A |
| R13/12 | Left front seat backrest side bolster heater pad | 27B |
| R13/13 | Right front seat cushion side bolster heater pad | 30J |
| R13/14 | Right front seat backrest side bolster heater pad | 30J |
| R13/1b1 | Left front seat sitting surface heater pad temperature sensor | 30C |
| R13/2 | Left front backrest heated cushion | 30C |
| R13/2 | Left front backrest heated cushion | 19B |
| R13/2b1 | Left front seat backrest heater pad temperature sensor | 30C |
| R13/3 | Right front seat sitting surface heated cushion | 30F |
| R13/3 | Right front seat sitting surface heated cushion | 17G |
| R13/3b1 | Right front seat sitting surface heater pad temperature sensor | 30F |
| R13/4 | Right front backrest heated cushion | 30F |
| R13/4 | Right front backrest heated cushion | 17H |
| R13/4b1 | Right front seat backrest heater pad temperature sensor | 30F |
| S22 | Left front seat adjustment switch group | 18B |
| S22s12 | Left front seat heater switch | 18B |
| S23 | Right front seat adjustment switch group | 20J |
| S23s12 | Right front seat heater switch | 20K |
| U1056 | Valid except code 446 (Touchpad only) | 4J |
| U1217 | Valid for model series 217 | 4D |
| U1222 | Valid for model series 222 | 4D |
| U2018 | Valid as of model year 2018 | 1D |
| U2060 | Valid up to model year 2018 | 4D |