GF82.10-P-2117GZ Component Description of Headlamp Range Adjustment Power Module

GF82.10-P-2117GZ Component Description Of Headlamp Range Adjustment Power Module
- with CODE (615) Bi-xenon headlamp unit with integrated curve illumination

Component Identification:

Location
The HRA [LWR] power module for the front left lamp unit and the HRA [LWR] power module for the front right lamp unit are located under the housing of each lamp unit.

Task
The HRA [LWR] power modules actuate, on request from the headlamp range adjustment control unit (N71), the following adjustment motors:
^ Left headlamp range adjustment motor (E1m1)
^ Right headlamp range adjustment motor (E2m1)
^ Left dynamic curve illumination motor (E1m2)
^ Right dynamic curve illumination motor (E2m2)

Right/left detection through plug coding inquiry
After connecting a new HRA [LWR] power module (as backup), the HRA [LWR] power module recognizes the particular installation location by the voltage levels at two connector pins.

After fault-free detection of the installation location the HRA [LWR] power module registers accordingly at the headlamp range adjustment control unit.