Electrical Function Schematic For Front Seat Heater - PE91.30-P-2056-97XBA
Model 257, 290
up to model year 2021
with code 401 (Climatised front seats)
except code 902 (Seat heater Plus for driver and front passenger)
Model 257, 290
up to model year 2021
with code 873 (Left and right driver's seat heating)
except code 902 (Seat heater Plus for driver and front passenger)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 13C |
| 2 | Seat climate control switch group, status | 6D |
| 2 | Seat climate control switch group, status | 25C |
| 3 | Seat heater, request | 16C |
| 3 | Seat heater, request | 12C |
| 3 | Seat heater, request | 22H |
| 3 | Seat heater, request | 19F |
| 3 | Seat heater, request | 8H |
| 4 | Seat heater, actuation | 17F |
| 4 | Seat heater, actuation | 17J |
| 4 | Seat heater, actuation | 11K |
| 4 | Seat heater, actuation | 11H |
| 5 | Seat heater, status | 4D |
| 5 | Seat heater, status | 10C |
| 5 | Seat heater, status | 23C |
| 5 | Seat heater, status | 16D |
| 5 | Seat heater, status | 16E |
| 5 | Seat heater, status | 12E |
| 5 | Seat heater, status | 27C |
| 6 | Interior temperature, signal | 15C |
| CAN B | Interior CAN | 13A |
| CAN B | Interior CAN | 16A |
| CAN B | Interior CAN | 11D |
| CAN B | Interior CAN | 19C |
| CAN B | Interior CAN | 19D |
| CAN B | Interior CAN | 19E |
| Code 275 | Memory package | 18F |
| Code 278 | Fully electric front seats | 18F |
| LIN B28 | Heater LIN | 10E |
| LINB5 | Left front door LIN | 5D |
| LINB6 | Right front door LIN | 26D |
| N10/8 | Rear SAM control unit | 14C |
| N22/1 | Climate control control unit | 19A |
| N25/17 | Front seat heater/seat ventilation control unit | 8J |
| N32/1 | Driver seat control unit | 20G |
| N32/2 | Front passenger seat control unit | 22H |
| N69/1 | Left front door control unit | 8B |
| N69/2 | Right front door control unit | 24B |
| N73 | Electronic ignition switch control unit | 9A |
| R13/1 | Left front seat cushion heater pad | 16F |
| R13/2 | Left front seat backrest heater pad | 16G |
| R13/3 | Right front seat cushion heater pad | 16J |
| R13/4 | Right front seat backrest heater pad | 16J |
| R24 | Adjustable seat cushion length heater pad, left front seat | 16G |
| R24/1 | Adjustable seat cushion length heater pad, right front seat | 16K |
| S51/1 | Left front seat climate control switch group | 3C |
| S51/1s2 | Left front seat heater switch | 3C |
| S51/2 | Right front seat climate control switch group | 28C |
| S51/2s2 | Right front seat heater switch | 28C |
| U285 | Valid for partially electric seat adjustment | 7H |
| U351 | Valid without code (275) Memory package | 15G |
| U351 | Valid without code (275) Memory package | 15K |