Electrical Function Schematic For Rear Seat Heaters - PE91.30-P-2055-97XBA
Model 257, 290
up to model year 2021
with code 872 (Left and right rear seat heating)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 11F |
| 2 | Seat climate control switch group, status | 11K |
| 2 | Seat climate control switch group, status | 11B |
| 3 | Seat heater, request | 5E |
| 3 | Seat heater, request | 9G |
| 3 | Seat heater, request | 9E |
| 4 | Seat heater, actuation | 3G |
| 4 | Seat heater, actuation | 3E |
| 5 | Seat heater, status | 13K |
| 5 | Seat heater, status | 13B |
| 5 | Seat heater, status | 9J |
| 5 | Seat heater, status | 9C |
| 5 | Seat heater, status | 8E |
| 6 | Interior temperature, signal | 11E |
| CAN B | Interior CAN | 9H |
| CAN B | Interior CAN | 9D |
| CAN B | Interior CAN | 12G |
| CAN B | Interior CAN | 12E |
| LINB10 | Right rear door LIN | 12B |
| LIN B28 | Heater LIN | 6F |
| LIN B9 | Left rear door LIN | 12K |
| N10/8 | Rear SAM control unit | 10E |
| N22/1 | Climate control control unit | 14D |
| N25/6 | Rear seat heaters control unit | 3F |
| N69/3 | Left rear door control unit | 9J |
| N69/4 | Right rear door control unit | 9A |
| N73 | Electronic ignition switch control unit | 14F |
| R13/5 | Left rear seat sitting surface heated cushion | 1H |
| R13/6 | Left rear backrest heated cushion | 1J |
| R13/7 | Right rear seat sitting surface heated cushion | 1B |
| R13/8 | Right rear backrest heater pad | 1C |
| S51/3 | Left rear seat climate control switch group | 14J |
| S51/3s1 | Left rear seat heater switch | 14K |
| S51/4 | Right rear seat climate control switch group | 14B |
| S51/4s1 | Right rear seat heater switch | 14B |