Electrical Function Schematic For Climate Control Input Signals - PE83.40-P-2056-97SEA
Model 217, 222 up to model year 2018 except code 1U6 (R744 refrigerant)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 26E |
| 10 | Heat exchanger temperature sensor, signal | 23C |
| 11 | Refrigerant pressure, signal | 23B |
| 12 | Sun sensor, signal | 31C |
| 12 | Sun sensor, signal | 42H |
| 12 | Sun sensor, signal | 28E |
| 13 | Air quality sensor, signal | 23A |
| 14 | Vehicle speed, signal | 26G |
| 14 | Vehicle speed, signal | 15L |
| 15 | Engine speed, signal | 25E |
| 15 | Engine speed, signal | 12L |
| 15 | Engine speed, signal | 6L |
| 16 | Door rotary tumbler switch, status | 27E |
| 17 | Side window position, signal | 27F |
| 17 | Side window position, signal | 28E |
| 18 | Sliding roof position, signal | 29E |
| 19 | Potentiometer, signal | 23E |
| 2 | Engine running, signal | 13L |
| 2 | Engine running, signal | 26F |
| 2 | Engine running, signal | 7L |
| 20 | Operation, signal | 31C |
| 20 | Operation, signal | 23D |
| 20 | Operation, signal | 15J |
| 20 | Operation, signal | 25F |
| 20 | Operation, signal | 13H |
| 20 | Operation, signal | 20J |
| 21 | Audio/COMAND display, actuation | 28J |
| 22 | Low voltage differential signal video signal data transfer, signal | 27H |
| 23 | Voice output, signal | 16J |
| 23 | Voice output, signal | 25F |
| 24 | High-voltage battery cooling output, request | 8J |
| 24 | High-voltage battery cooling output, request | 12L |
| 24 | High-voltage battery cooling output, request | 25F |
| 25 | High-voltage battery cooling system expansion valve, status | 12L |
| 25 | High-voltage battery cooling system expansion valve, status | 25G |
| 26 | Evaporator drying, request | 15L |
| 26 | Evaporator drying, request | 25E |
| 27 | Crash, signal | 13J |
| 27 | Crash, signal | 25F |
| 3 | Outside temperature sensor, signal | 10B |
| 4 | Outside temperature, signal | 24E |
| 5 | Interior temperature, signal | 11D |
| 5 | Interior temperature, signal | 24F |
| 6 | Air outlet temperature sensor, signal | 31D |
| 7 | Humidity and temperature sensor, signal | 11C |
| 7 | Humidity and temperature sensor, signal | 24F |
| 8 | Coolant temperature, signal | 13L |
| 8 | Coolant temperature, signal | 7L |
| 8 | Coolant temperature, signal | 26F |
| 8 | Coolant temperature, signal | 31A |
| 9 | Evaporator temperature sensor, signal | 31B |
| 9 | Evaporator temperature sensor, signal | 23B |
| A1 | Instrument cluster | 18K |
| A40/3 | COMAND control unit | 24H |
| A40/8 | Audio/COMAND display | 29H |
| A98n1 | Panoramic sliding roof control unit | 45H |
| B10/10 | Right rear air conditioning heat exchanger temperature sensor | 21C |
| BIO/11 | Rear air conditioning evaporator temperature sensor | 17C |
| B10/31 | Left side air outlet temperature sensor | 36D |
| B10/32 | Right side air outlet temperature sensor | 36D |
| B10/35 | Left footwell air outlet temperature sensor | 36E |
| B10/36 | Right footwell air outlet temperature sensor | 36E |
| B10/6 | Evaporator temperature sensor | 34C |
| B10/9 | Left rear air conditioning heat exchanger temperature sensor | 21C |
| B12 | Refrigerant pressure sensor | 20B |
| B14 | Outside temperature sensor | 9B |
| B31/1 | Multifunction sensor | 18A |
| B32/3 | Sun sensor | 39C |
| B32/4 | Rear sun sensor | 41G |
| B38/2 | Rain/light sensor with additional functions | 7B |
| B38/2b3 | Humidity/temperature sensor | 7C |
| CAN A | Telematics CAN | 26J |
| CAN B | Interior CAN | 16G |
| CAN B | Interior CAN | 30G |
| CAN B | Interior CAN | 20G |
| CAN B | Interior CAN | 31F |
| CAN B | Interior CAN | 32F |
| CAN B | Interior CAN | 30G |
| CAN B | Interior CAN | 42F |
| CAN B | Interior CAN | 37F |
| CAN B | Interior CAN | 14G |
| CAN B | Interior CAN | 22G |
| CAN B | Interior CAN | 35G |
| CAN C1 | Drive train CAN | 5L |
| CAN HMI | User interface CAN | 16L |
| CAN HMI | User interface CAN | 11J |
| CAN HMI | User interface CAN | 18J |
| CAN L | Hybrid CAN | 9J |
| Code 413 | Panoramic sliding sunroof | 44H |
| Code 582 | Air conditioning in rear | 17B |
| Code 582 | Air conditioning in rear | 34C |
| Code 582 | Air conditioning in rear | 21F |
| Code 582 | Air conditioning in rear | 20C |
| Code ME04 | Mild hybrid drive | 8E |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 35A |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 8E |
| Flex E | Chassis FlexRay | 12L |
| LIN B13 | Roof LIN | 9D |
| LIN B16 | Rain and light sensor LIN | 9C |
| LIN B8-2 | Climate control LIN 2 | 20B |
| LIN B8-2 | Climate control LIN 2 | 32B |
| LIN B8-3 | AC operation LIN | 32D |
| LIN B8-3 | AC operation LIN | 21D |
| LVDS | Low voltage differential signal | 26J |
| N10/6 | Front SAM control unit | 12B |
| N10/8 | Rear SAM control unit | 43H |
| N127 | Drivetrain control unit | 9K |
| N2/10 | Supplemental restraint system control unit | 10G |
| N22/1 | Climate control, control unit | 26B |
| N22/4 | Rear air conditioning operating unit | 34D |
| N22/6 | Rear control unit | 39H |
| N3/10 | ME-SFI [ME] control unit | 5G |
| N3/9 | CDI control unit | 2G |
| N33/5 | High-voltage PTC heater | 37A |
| N33/5b1 | High-voltage PTC heater temperature sensor | 37B |
| N58/1 | Climate control operating unit | 18D |
| N69/1 | Left front door control unit | 33H |
| N69/2 | Right front door control unit | 33H |
| N69/3 | Left rear door control unit | 36H |
| N69/4 | Right rear door control unit | 36H |
| N70 | Overhead control panel control unit | 4C |
| N70b1 | Interior temperature sensor with integrated fan | 5C |
| N73 | Electronic ignition switch control unit | 14J |
| N82/2 | Battery management system control unit | 9F |
| R41/10 | Right rear center air vent potentiometer | 21F |
| R41/5 | Left side air vent potentiometer | 21E |
| R41/6 | Right side air vent potentiometer | 21E |
| R41/7 | Left center air vent potentiometer | 21F |
| R41/8 | Right center air vent potentiometer | 21E |
| R41/9 | Left rear center air vent potentiometer | 21F |
| U1032 | Valid for engine 278 and 157 | 4H |
| U1035 | Valid for gasoline engine 279 | 4J |
| U1073 | Valid for gasoline engine 276.9 | 4H |
| U1217 | Valid for model series 217 | 38H |
| U1217 | Valid for model series 217 | 21H |
| U1222 | Valid for model series 222 | 35H |
| U1222 | Valid for model series 222 | 21H |
| U391 | Valid for gasoline engine 276.8 | 4J |
| U397 | Valid for gasoline engine 277 | 4J |
| U74 | Valid for diesel engines | 1G |
| U75 | Valid for gasoline engines | 4G |
| U880 | Valid for diesel engine 642 | 1J |
| U948 | Valid for diesel engine 651 | 1J |