A53 Beam throw adjustment control unit (LWR)

Plug connector overview

NumberX-pin, colourDescription
X99126-pin, yellowPlug connector Beam throw adjustment control unit (LWR)

Pin assignments at plug connector X991

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASignal, headlight vertical aim controlActuator for headlight beam throw control, left
   
2ASignal, headlight vertical aim controlActuator for headlight beam throw control, left
   
3ASignal, headlight vertical aim controlActuator for headlight beam throw control, left
   
4ASignal, headlight vertical aim controlActuator for headlight beam throw control, left
   
5ASupply, load/level sensorFront right level sensor
   
6 Not used 
   
7AActual value pick-up load sensorRear right level sensor
   
8ASignal, headlight vertical aim controlActuator for headlight beam throw control, right
   
9ASignal, headlight vertical aim controlActuator for headlight beam throw control, right
   
10ASignal, headlight vertical aim controlActuator for headlight beam throw control, right
   
11ASignal, headlight vertical aim controlActuator for headlight beam throw control, right
   
12ENight light signalLight module
   
13EControl unit supplyLight module
   
14EK-bus signal lineK-bus connector
   
15 Not used 
   
16ESignal Front right level sensorFront right level sensor
   
17 Not used 
   
18ALoad sensor supplyFront right level sensor
   
19 Not used 
   
20ESignal Rear right level sensorRear right level sensor
   
21EBrake light signalConnector, brake light signal X181
   
22ALoad sensor supplyRear right level sensor
   
23 Not used 
   
24EFront right speed sensorABS/ASC control unit
   
25 Not used 
   
26MControl unit groundGround connector