HID headlights, adjusting

Special tools, testers and auxiliary items needed

VAS 5107 Optical headlight aimer
VAS 5051 Vehicle Diagnostic Testing and Information System
Optional: VAS 5051 Vehicle Testing and Service System

NOTE:

On vehicles with HID headlights, always check, erase and then perform basic setting of fault memory before manually adjusting adjuster screws.
Adjust headlights using detailed aiming procedure and specifications

Refer to 01 MAINTENANCE

Preparation

Fig 1: Connecting VAS 5051 Tester To DLC

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Connect VAS 5051/5052 to Data Link Connector (DLC) with adapter cable as illustrated.
Select operating mode "Vehicle Self Diagnosis".
Select vehicle system "55 - Automatic vertical headlight aim control".

Basic setting, initiating

Fig 2: Diagnostic System VAS 5051: Display -- Basic Setting

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Indicated on VAS 5051/5052:

From list -1- select function "04 - Basic setting".

Fig 3: Diagnostic System VAS 5051: Display - Display Group And Key Pad

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Indicated on VAS 5051/5052:

1 - Enter display group

Use keypad -2- to enter "001" for "Display group number 001"
Touch -Q- key to confirm entry..

Fig 4: Diagnostic System VAS 5051: Display - Basic Setting, Display Group 1 And Wait

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Indicated on VAS 5051:

1 - Basic setting

2 - Display group 1

3 - Wait

Headlights are moved to adjustment position

Wait until next display appears.

3 - Headlight adjustment

Headlights are now in adjustment position

NOTE: Basic setting 1 deactivates control mode and "Headlights not adjusted" is entered in fault memory.

Adjusting

Fig 5: Adjustment Screws On Left Headlight

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Adjustment screws on left headlight shown. Arrangement on right headlight is mirror image.

1 - Not applicable

2 - Height adjustment screw

3 - Lateral adjustment screw

Turn adjustment screws to achieve specification

Refer to 01 MAINTENANCE

Fig 6: Diagnostic System VAS 5051: Display - Basic Setting, Display Group 1 And Wait

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Indicated on VAS 5051:

Touch s key to switch to display group 002.

1 - Basic setting

2 - Display group 2

3 - Control position learned

Headlight range control module now recognizes this position as the control position

NOTE: Entry in fault memory ("Headlights not adjusted") is erased and control mode re-activated.

End function "04 - Basic setting" by touching ← key.
Touch "06 - End output".