A81 Parking aid control unit

Plug connector overview

NumberX-pin, colourDescription
X30012-pin, blackPlug connector Parking aid control unit
X1801312-pin, naturalPlug connector Parking aid control unit

Pin assignments at plug connector X300

PinTypeDescription / Signal typeConnection /
Measuring notes
1EVoltage supply, terminal 15Fuse F21
   
2APDC loudspeaker activationParking aid speaker
   
3 Not used 
   
4E/AI/K-bus signal linkConnector, I/K-bus
   
5 Not used 
   
6MTerminal 31Ground point
   
7 Not used 
   
8MGround for PDC loudspeakerParking aid speaker
   
9 Not used 
   
10 Not used 
   
11AReversing light signalGong, Japan
   
12 Not used 
   

Pin assignments at plug connector X18013

PinTypeDescription / Signal typeConnection /
Measuring notes
1MGround, rear centre left converterRear centre left converter
   
2MGround, rear right converterRear right converter
   
3MGround, rear left converterRear left converter
   
4APositive activation, rear centre right converterRear centre right converter
   
5APositive activation, rear centre left converterRear centre left converter
   
6APositive activation, rear right converterRear right converter
   
7MGround, rear centre right converterRear centre right converter
   
8ASignal line, rear centre right converterRear centre right converter
   
9ASignal line, rear centre left converterRear centre left converter
   
10ASignal line, rear right converterRear right converter
   
11ASignal line, rear left converterRear left converter
   
12APositive activation, rear left converterRear left converter