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5.4.3 Adjusting headlights
– Connect vehicle diagnostic tester ⇒ Vehicle diagnostic tester.
– Select Diagnosis mode and start diagnosis.
– Select Test plan tab.
– Select Own test then the following options one after the oth‐
er:
♦ Body
♦ Electrical system
♦ 01 - Self-diagnosis compatible systems
♦ 55 - Dynamic headlight range control
♦ J431/J745 - Dynamic headlight range control, functions
♦ J431/J745 - Control unit for headlight range control, basic set‐
ting
Note
With this programme the headlights return to the basic setting.
– Continue to follow the instructions on the display of the vehicle
diagnostic tester.
– You will be requested to perform headlight adjustment while
running through the programme.
Headlight (left-side)
Adjuster screws on left headlight:
1 - Height/lateral adjuster screw
2 - Height adjuster screw
The arrangement on the right headlight is symmetrically opposite.
– Only turn adjuster screw -2- to adjust the height.
– To make a lateral adjustment, turn adjuster screws -1- and
-2- the same number of turns.
5.5 Preparations before working on head‐
lights
Depending on the engine version, access to the headlight bulbs
could be obstructed. In this case, additional steps must be per‐
formed.
5.5.1 Removing power steering reservoir
Special tools and workshop equipment required
Audi A8 2003 ➤
Electrical system - Edition 08.2014
182 Rep. gr.94 - Lights, bulbs, switches - exterior
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