| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | | Not used | |
| | | |
| 2 | | Not used | |
| | | |
| 3 | M | Ground, solar sensor | Solar sensor |
| | | |
| 4 | A | Voltage supply, solar sensor | Solar sensor |
| | | |
| 5 | A | Voltage supply, rear compartment potentiometer | Fresh air grille, rear compartment |
| | | |
| 6 | M | Ground, rear compartment potentiometer | Fresh air grille, rear compartment |
| | | |
| 7 | E | Solar sensor signal, right | Solar sensor |
| | | |
| 8 | E | Solar sensor signal, left | Solar sensor |
| | | |
| 9 | E | Signal, stratification potentiometer, left | Fresh air grille, rear compartment |
| | | |
| 10 | E | Signal, stratification potentiometer, right | Fresh air grille, rear compartment |
| | | |
| 11 | E | Signal, blower potentiometer, left | Fresh air grille, rear compartment |
| | | |
| 12 | E | Signal, blower potentiometer, right | Fresh air grille, rear compartment |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Signal, roller sun blind up | Motor, rear window roller sun blind |
| | | |
| 2 | A | Signal, roller sun blind down | Motor, rear window roller sun blind |
| | | |
| 3 | A | Signal, heat exchanger water valve, left | Water valves |
| | | |
| 4 | A | Signal, heat exchanger water valve, right | Water valves |
| | | |
| 5 | A | Signal, auxiliary water pump | Auxiliary water pump |
| | | |
| 6 | A | Signal, refrigerant control valve | Control valve, refrigerant compressor |
| | | |
| 7 | A | Signal, wiper park position heating | Relay, wiper park position heating |
| | | |
| 8 | | Not used | |
| | | |
| 9 | E | Signal, AUC sensor | AUC sensor |
| | | |
| 10 | E | Signal, refrigerant pressure sensor | Coolant pressure sensor |
| | | |
| 11 | M | Ground, hazard warning/center lock button | Ground point |
| | | |
| 12 | A | Signal, center lock released | Car access control unit |
| | | |
| 13 | A | Signal, hazard warning | Light module |
| | | |
| 14 | A/E | Bus signal, blower motor | Blower output stage |
| | | |
| 15 | A/E | Signal, CAN-bus | CAN-bus connector |
| | | |
| 16 | A/E | Signal, CAN-bus | CAN-bus connector |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |
| 19 | A | Voltage supply, refrigerant pressure sensor | Coolant pressure sensor |
| | | |
| 20 | M | Ground, refrigerant pressure sensor | Coolant pressure sensor |
| | | |
| 21 | | Not used | |
| | | |
| 22 | | Not used | |
| | | |
| 23 | | Not used | |
| | | |
| 24 | | Not used | |
| | | |
| 25 | A | Signal, center lock locked | Car access control unit |
| | | |
| 26 | A | Signal, hazard warning indicator | Light module |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | M | Ground, sensor system | Ground connector |
| | | |
| 2 | E | Temperature signal, heat exchanger, right | Heat exchanger temperature sensor, right |
| | | |
| 3 | E | Temperature signal, ventilation, right | Ventilation temperature sensor unit |
| | | |
| 4 | | Not used | |
| | | |
| 5 | A | Signal, fresh air flap actuator | Fresh air flap actuator |
| | | |
| 6 | A | Signal, fresh air flap actuator | Fresh air flap actuator |
| | | |
| 7 | E | Signal, temperature after evaporator | Evaporator temperature sensor |
| | | |
| 8 | E | Temperature signal, heat exchanger, left | Heat exchanger temperature sensor, left |
| | | |
| 9 | E | Temperature signal, ventilation, left | Ventilation temperature sensor unit |
| | | |
| 10 | | Not used | |
| | | |
| 11 | A | Signal, fresh air flap actuator | Fresh air flap actuator |
| | | |
| 12 | A | Signal, fresh air flap actuator | Fresh air flap actuator |
| | | |