Lost communication with the headlight auto leveling control unit (models with radar sensor/ stereo camera) (Headlight Automatic Leveling Control)

1. Headlight auto leveling control unit general circuit diagram

2. Headlight auto leveling control unit outline view and connector pin layout

No.
Pin Function
1
Battery voltage
2
Ground
3
Ignition voltage
4
-
5
-
6
Headlight leveling actuator (RH) and Headlight leveling actuator (LH) 12V reference
7
Headlight leveling actuator (RH) and Headlight leveling actuator (LH) ground
8
-
9
Headlight leveling actuator (RH) and Headlight leveling actuator (LH) signal
10
Initialization signal
11
-
12
-
13
-
14
-
15
CAN high signal
16
CAN low signal