A11 A/C control unit

Plug connector overview

NumberX-pin, colourDescription
X61126-pin, blueComponent connector A/C control unit
X1374212-pin, blackComponent connector A/C control unit
X137433-pin, blackComponent connector A/C control unit
X15262-pin, blackComponent connector A/C control unit

Pin assignments X611

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASignal, roller sun blind upMotor, rear window roller sun blind
   
2ASignal, roller sun blind downMotor, rear window roller sun blind
   
3ASignal, heat exchanger water valve, leftWater valves
   
4ASignal, heat exchanger water valve, rightWater valves
   
5ASignal, auxiliary water pumpAuxiliary water pump
   
6ASignal, refrigerant control valveControl valve, refrigerant compressor
   
7ASignal, wiper park position heatingRelay, wiper park position heating
   
8AVoltage supply, AUC sensorAUC sensor
   
9ESignal, AUC sensorAUC sensor
   
10ESignal, refrigerant pressure sensorCoolant pressure sensor
   
11MGround, hazard warning/center lock buttonGround point
   
12ASignal, center lock releasedCar access control unit
   
13ASignal, hazard warningLight module
   
14A/EBus signal, blower motorBlower output stage
   
15A/ESignal, CAN-busCAN-bus connector
   
16A/ESignal, CAN-busCAN-bus connector
   
17AVoltage supply, AUC sensor heatingAUC sensor
   
18MGround, AUC sensorAUC sensor
   
19AVoltage supply, refrigerant pressure sensorCoolant pressure sensor
   
20MGround, refrigerant pressure sensorCoolant pressure sensor
   
21 Not used 
   
22 Not used 
   
23 Not used 
   
24 Not used 
   
25ASignal, center lock lockedCar access control unit
   
26ASignal, hazard warning indicatorLight module
   

Pin assignments X13742

PinTypeDescription / Signal typeConnection /
Measuring notes
1MGround, sensor systemGround connector
   
2ETemperature signal, heat exchanger, rightHeat exchanger temperature sensor, right
   
3 Not used 
   
4 Not used 
   
5ASignal, fresh air flap actuatorFresh air flap actuator
   
6ASignal, fresh air flap actuatorFresh air flap actuator
   
7ESignal, temperature after evaporatorEvaporator temperature sensor
   
8ETemperature signal, heat exchanger, leftHeat exchanger temperature sensor, left
   
9ETemperature signal, ventilationVentilation temperature sensor unit
   
10 Not used 
   
11ASignal, fresh air flap actuatorFresh air flap actuator
   
12ASignal, fresh air flap actuatorFresh air flap actuator
   

Pin assignments X13743

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASupply, stepper motorsAir conditioning stepper motors
   
2MGround, stepper motorsAir conditioning stepper motors
   
3A/EBus signal, stepper motorsAir conditioning stepper motors
   

Pin assignments X1526

PinTypeDescription / Signal typeConnection /
Measuring notes
1ESupply, terminal 30Fuse F10
   
2MGroundGround point