A11a Heating/air conditioning system

Connector overview

NumberX-pin, colorDescription
X0113012-pin, blackComponent connector Heating/air conditioning system
X1879318-pin, blackComponent connector Heating/air conditioning system

Pin assignments at plug connector X01130

PinTypeDescription / Signal typeConnection /
Measuring notes
1ESignal, heat exchanger temperatureHeating heat exchanger temperature sensor
   
2 Not occupied 
   
3ESignal, temperature after evaporatorEvaporator temperature sensor
   
4 Not occupied 
   
5 Not occupied 
   
6MSensor groundGround connector
   
7ASignal, electric auxiliary heaterElectric auxiliary heater diesel engine
   
8 Not occupied 
   
9 Not occupied 
   
10ASupply, stepper motorsConnector X01128
   
11A/ESignal, LIN busLIN-bus connector X01129
   
12MGround, stepper motorsConnector X01131
   

Pin assignments at plug connector X18793

PinTypeDescription / Signal typeConnection /
Measuring notes
1A/ESignal, LIN busBlower output stage
   
2 Not occupied 
   
3ESignal, refrigerant pressure sensorCoolant pressure sensor
   
4AVoltage supply, refrigerant pressure sensorCoolant pressure sensor
   
5 Not occupied 
   
6A/ESignal, CAN-busConnector, CAN bus
   
7A/ESignal, CAN-busConnector, CAN bus
   
8MGround, refrigerant pressure sensorCoolant pressure sensor
   
9 Not occupied 
   
10ESupply, terminal 30Fuse F26
   
11ASignal, refrigerant control valveControl valve, refrigerant compressor
   
12ASignal, water valveWater valves
   
13ASignal, auxiliary water pumpAuxiliary water pump
   
14ASignal, rear-window defrosterRear defroster relay
   
15ASignal, heated windshield water jetsHeated windshield water jets
   
16ASignal, electric auxiliary heaterDigital diesel electronics control module
   
17 Not occupied 
   
18MGroundGround point