A207 Control unit, rear compartment air conditioning

Plug connector overview

NumberX-pin, colourDescription
X183012-pin, blackComponent connector Control unit, rear compartment air conditioning
X183118-pin, blackComponent connector Control unit, rear compartment air conditioning

Pin assignments X1830

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASupply, control panel for rear compartment air conditioning, leftLeft control panel, rear compartment air conditioning
   
2ESignal, temperature potentiometer, leftLeft control panel, rear compartment air conditioning
   
3ESignal, blower potentiometer, leftLeft control panel, rear compartment air conditioning
   
4ASignal, pulse width modulation, locator lightingLeft control panel, rear compartment air conditioning
   
5ASupply, locator lightingLeft control panel, rear compartment air conditioning
   
6MGround, control panel for rear compartment air conditioning, leftLeft control panel, rear compartment air conditioning
   
7ESignal, MAX buttonLeft control panel, rear compartment air conditioning
   
8ESignal, OFF buttonLeft control panel, rear compartment air conditioning
   
9ASignal, MAX LEDLeft control panel, rear compartment air conditioning
   
10ASignal, OFF LEDLeft control panel, rear compartment air conditioning
   
11ASupply, night designLeft control panel, rear compartment air conditioning
   
12ASignal, pulse width modulation, night designLeft control panel, rear compartment air conditioning
   

Pin assignments X1831

PinTypeDescription / Signal typeConnection /
Measuring notes
1ESupply, terminal 30Fuse distribution box
   
2A/EBus signal, stepper motorsStepper motors, rear compartment air conditioning
   
3MGroundGround point
   
4ASignal, refrigerant shut-off valveRefrigerant shut-off valve, front
   
5ASignal, refrigerant shut-off valveRefrigerant shut-off valve, rear
   
6ESignal, temperature after evaporatorEvaporator temperature sensor, rear compartment
   
7 Not used 
   
8ETemperature signal, ventilation, leftLeft temperature sensor, rear compartment air conditioning
   
9ETemperature signal, ventilation, rightRight temperature sensor, rear compartment air conditioning
   
10A/ESignal, CAN-busCAN-bus connector
   
11A/ESignal, CAN-busCAN-bus connector
   
12MGround, sensor systemGround connector
   
13MGround, stepper motorsGround connector
   
14ASupply, stepper motorsStepper motors, rear compartment air conditioning
   
15 Not used 
   
16ASignal, refrigerator box function LEDCooler box
   
17ASupply, night designCooler box
   
18ESignal, refrigerator box buttonCooler box