GF82.10-P-2112RC Component Description of Headlamp Range Adjustment Control Unit

GF82.10-P-2112RC Component Description Of Headlamp Range Adjustment Control Unit
- with CODE (614) Bi-xenon headlamp unit
- with CODE (618) Bi-xenon headlamps

Component Identification:

Location
The headlamp range adjustment control unit is located in the lower area on the left A-pillar.

Task
The headlamp range adjustment control unit has the following tasks:
^ Reading in of sensors, pickups and signals
^ Evaluation of input factors
^ Actuation of components

Reading in of sensors, pickups and signals
The input factors are read in via the following connections:
^ Direct line
^ Engine compartment CAN

Direct line
The following components are read in via a direct line:
- Headlamp range adjustment rear axle sensor (A51)
- Headlamp range adjustment front axle sensor (A52)

Engine compartment CAN
The headlamp range adjustment control unit reads in the following information in order to control the headlamp range adjustment via the engine compartment CAN:
- Status of circuit 61
- Signal of the accelerator pedal sensor (B37)
- Left front and right front wheel speed and wheel rotation direction, brake signal, yaw rate, and lateral acceleration
- Steering angle, steering angle rate of change, and turn signal status
- Status of circuit 56
- Diagnosis request

Evaluation of input factors
The input factors are evaluated by the microprocessor and the corresponding components are actuated.

Actuation of components
Components are actuated with the following lines:
^ Direct line

Direct line
The following components are actuated via a direct line:
- Left headlamp range adjustment motor (E1m1) via the HRA [LWR] power module (E1n3)
- Right headlamp range adjustment motor (E2m1) via the HRA [LWR] power module (E2n3)