Remove/install power module of headlamp range adjustment (HRA (LWR))

AR82.10-P-4013RT

Remove/install power module of headlamp range adjustment (HRA (LWR))

19.11.2019

Model

251

with code 615 (Bi-xenon headlamps with active light function)

1

Bolts

E1n3

HRA [LWR] power module

2

Rubber seal

E2n3

HRA [LWR] power module

 

Remove/install

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 Danger

Risk of explosion/risk of fire caused by highly flammable materials in the vicinity of damaged xenon bulbs. Risk of injury caused by UV light, hot components on xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning caused by inhalation of mercury vapors and by swallowing of/skin contact with toxic salts and mercury compounds.

Do not touch parts conducting high voltage. Persons with active electronic implants (e.g. cardiac pacemakers) must never work on xenon headlamps. Switch off the entire lighting system. Wear insulated safety shoes, safety glasses and protective gloves. Remove highly inflammable materials from the danger zone. Ensure sufficient ventilation in the working area.

AS82.10-Z-0001-01A

1.1

Remove fender liner front section in front fender

Left side.

AR88.10-P-1310RT

1.2

Remove right front lamp unit (E2)

Right-hand side.

AR82.10-P-4730RT

2

Remove bolt (1)

3

Lift HRA power module (E1n3, E2n3)

 Installation: Ensure that the rubber seal (2) is seated correctly.

4

Install in the reverse order



Check

5

Adjust the zero position of the xenon headlamps



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

 Commercially available devices/tools:
STAR DIAGNOSIS diagnosis system

6

Check and correct adjustment of xenon headlamps