(Electrical Function Schematic For Armrest Heater - PE68.20-P-2055-97DCA)
Model 238 up to model year 2021 with code 906 (Front armrest heater)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 18G |
| 2 | Operation, signal | 24K |
| 2 | Operation, signal | 27K |
| 2 | Operation, signal | 19K |
| 2 | Operation, signal | 14F |
| 2 | Operation, signal | 11G |
| 2 | Operation, signal | 10E |
| 2 | Operation, signal | 6J |
| 3 | Switch-on request, signal | - |
| 4 | High-speed video link video signal data transfer, signal | - |
| 5 | Armrest heating element, request | 18H |
| 5 | Armrest heating element, request | 15C |
| 5 | Armrest heating element, request | 22F |
| 5 | Armrest heating element, request | 22B |
| 5 | Armrest heating element, request | 17J |
| 6 | Seat heater, request | 19F |
| 6 | Seat heater, request | 18D |
| 6 | Seat heater, request | 25B |
| 6 | Seat heater, request | 25F |
| 7 | Armrest heater, status | - |
| 7 | Armrest heater, status | - |
| 7 | Armrest heater, status | - |
| 7 | Armrest heater, status | - |
| 7 | Armrest heater, status | - |
| 7 | Armrest heater, status | - |
| 8 | Armrest heating element, actuation | 26D |
| 8 | Armrest heating element, actuation | 25D |
| 8 | Armrest heating element, actuation | 14B |
| 8 | Armrest heating element, actuation | 15B |
| 9 | Heating element temperature sensor, signal | 25C |
| 9 | Heating element temperature sensor, signal | 18C |
| 9 | Heating element temperature sensor, signal | 19F |
| 9 | Heating element temperature sensor, signal | 24E |
| 9 | Heating element temperature sensor, signal | 17E |
| 9 | Heating element temperature sensor, signal | 14C |
| 9 | Heating element temperature sensor, signal | 16C |
| A105 | Touchpad | 4E |
| A105 | Touchpad | 4B |
| A26/17 | Head unit | 12E |
| A40/8 | Audio/COMAND display | 12B |
| A40/9 | Audio/COMAND control panel | 4J |
| B25/20 | Driver hands-free system microphone | 15G |
| CAN A | Telematics CAN | 12D |
| CAN A | Telematics CAN | 9F |
| CAN B | Interior CAN | 18H |
| CAN B | Interior CAN | 20B |
| CAN B | Interior CAN | 20F |
| CAN HMI | User interface CAN | 14K |
| Code 446 | Touchpad only | 2B |
| Code 448 | Touchpad | 2E |
| Flex E | Chassis FlexRay | 20K |
| HSVL | High-speed video link | 11D |
| LIN A3 | LCP LIN | 7J |
| LIN B28 | Heater LIN | 16D |
| LIN B5 | Left front door LIN | 26B |
| LIN B6 | Right front door LIN | 26F |
| LIN E1 | Steering LIN | 24K |
| N10/8 | Rear SAM control unit | 18D |
| N135 | Steering wheel electronics | 27J |
| N5 | Armrest heater control unit | 15C |
| N69/1 | Left front door control unit | 23A |
| N69/2 | Right front door control unit | 23E |
| N72/1 | Upper control panel control unit | 9H |
| N72/1s58 | Vehicle button | 10H |
| N73 | Electronic ignition switch control unit | 17J |
| N80 | Steering column module control unit | 22J |
| R16/13 | Left front center console armrest heating element | 15A |
| R16/13b1 | Left front center console armrest heating element temperature sensor | 17A |
| R16/14 | Right front center console armrest heating element | 15B |
| R16/14b1 | Right front center console armrest heating element temperature sensor | 17B |
| R16/5 | Left front door armrest heating element | 26C |
| R16/5b1 | Left front door armrest heating element temperature sensor | 26D |
| R16/6 | Right front door armrest heating element | 26E |
| R16/6b1 | Right front door armrest heating element temperature sensor | 26E |
| R16/9 | Front center console armrest heating element | 14A |
| R16/9b1 | Left front center console armrest heating element temperature sensor | 14B |
| R16/9b2 | Right front center console armrest heating element temperature sensor | 14B |
| S163/2s10 | Head unit finger navigation pad | 30J |
| S163/2s13 | "Back" button | 30K |
| S51/1 | Left front seat climate control switch group | 28A |
| S51/1s2 | Left front seat heater switch | 28B |
| S51/2 | Right front seat climate control switch group | 28E |
| S51/2s2 | Right front seat heater switch | 28F |
| U1056 | Valid except code 446 (Touchpad only) | 2H |