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Table of Contents > Descriptions of work > Headlight adjustment: checking LED headlights (Tiguan)

VW Tiguan 2021 Service Maintenance Manual ➜ Headlight adjustment: checking LED headlights (Tiguan)

Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
The horizontal and vertical light-dark borders must be at the  
zero lines.  
4.53.3  
Matrix LED headlights: adjusting  
Special tools and workshop equipment required  
♦ Headlight adjustment unit -VAS 621 001-  
♦ Vehicle diagnostic tester  
Note  
The headlight adjustment is subject to a separate charge.  
Vehicles with matrix LED headlights can be identified via the  
PR number 8IX.  
For the adjustment of Matrix LED headlights, the headlight  
adjustment unit -VAS 621 001- must be in the matrix dipped  
beam mode.  
– 004B Onboard supply control unit (BCM) and then select  
Basic headlight setting ⇒ page 31 .  
Adjusting left headlight  
1 - Lateral adjustment  
2 - Height adjustment  
– Turn height adjustment screw -2- until setting is correct.  
– Turn lateral adjustment screw -1- until setting is correct.  
4.54  
Headlight adjustment: checking LED  
headlights (Tiguan)  
Note  
Additional weights are no longer used.  
Instead, a different inclination setting on the headlight adjust‐  
ment unit is used.  
If the maintenance tables are used, the settings are dis‐  
played in the vehicle-specific maintenance list.  
In the US, Canadian and Mexican markets, SAE-compliant  
headlights are used.  
The headlight adjustment is subject to a separate charge.  
Test and adjustment conditions ⇒ page 149  
148  
4. Descriptions of work  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
Headlight adjustment (ECE): checking ⇒ page 149 .  
Check headlight adjustment (SAE). ⇒ page 150  
LED headlights: adjusting ⇒ page 151 .  
4.54.1  
Test and adjustment conditions  
Tyre pressure OK  
Headlight lenses must not be damaged or dirty.  
Reflectors and lights OK  
The initialisation of the headlight range control must have  
1)  
been completed.  
The vehicle must be rolled forward and backward several  
metres or front and rear springs must be bounced fully sev‐  
eral times so that springs settle.  
Vehicle and headlight adjuster must be on a level surface.  
Vehicle and headlight adjustment unit must be aligned.  
Inclination must be set.  
Event memory must be cleared.  
If the headlight adjustment unit has an adjustment mode,  
select it.  
Refer to the ⇒ operating instructions for headlight adjust‐  
ment units.  
The current software for the headlight adjustment unit -VAS  
621 001- is available on the equipment manufacturer’s  
homepage.  
1)  
During the initialisation, the step motors for the headlight  
range control are reset to dipped beam position. The initialisa‐  
tion of the headlight range control is performed during vehicle  
start or after an "on" signal is applied to terminal 15.  
4.54.2  
Headlight adjustment (ECE): adjusting  
Special tools and workshop equipment required  
♦ Headlight adjustment unit -VAS 5046 A-  
♦ Headlight adjustment unit -VAS 5047 A-  
♦ Headlight adjustment unit -VAS 621 001-  
♦ Vehicle diagnostic tester  
The inclination on the headlight adjustment unit is set according  
to the fuel level in the fuel tank.  
Inclination setting for ECE-compliant gas discharge headlights,  
LED headlights and DLA headlights  
Fill level of  
fuel gauge  
Inclination  
0 to 1/2  
1/2 to 1  
1.0%  
1.0%  
Test pattern with dipped headlights  
Check the following:  
4. Descriptions of work  
149  
 
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
– With the dipped beam switched on, the lowest part of the  
horizontal light-dark border must be aligned with the dividing  
line -1- of the test area.  
– The breaking point -2- between the horizontal part of the  
light-dark border on the left and the slope on the right should  
be on the vertical line passing through the centre mark.  
Note  
To simplify the determination of the breaking point -2-, cover  
and uncover left (from driver perspective) half of the head‐  
light a few times. Then check dipped beam again.  
After correct adjustment of dipped beams, the centre point of  
the main beam must lie on the centre mark -3-.  
4.54.3  
Headlight adjustment (SAE): checking  
Special tools and workshop equipment required  
♦ Headlight adjustment unit -VAS 5046 A-  
♦ Headlight adjustment unit -VAS 5047 A-  
♦ Headlight adjustment unit -VAS 621 001-  
♦ Vehicle diagnostic tester  
Note  
The VOL/VOR marking is visible on the outside the head‐  
light.  
The lateral adjustment mechanism is sealed on SAE-compli‐  
ant headlights.  
The inclination on the headlight adjustment unit is set according  
to the fuel level in the fuel tank.  
Inclination setting for SAE-compliant VOL gas discharge head‐  
lights, LED headlights and DLA headlights  
Fill level of  
fuel gauge  
Inclination  
0 to 1/2  
1/2 to 1  
0.7%  
0.7%  
VOL: Visual Optical Aim Left -1-  
150  
4. Descriptions of work  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
– Check whether the left horizontal light-dark border touches  
the separating line -1- in the test area of the headlight ad‐  
justment unit.  
Inclination setting for SAE-compliant VOR gas discharge head‐  
lights, LED headlights and DLA headlights  
Fill level of  
fuel gauge  
Inclination  
0 to 1/2  
1/2 to 1  
0.0%  
0.0%  
VOR: Visual Optical Aim Right -2-  
– Check whether the right horizontal light-dark border touches  
the separating line -2- in the test area of the headlight ad‐  
justment unit.  
4.54.4  
LED headlights: adjusting  
Note  
The headlight adjustment is subject to a separate charge.  
Vehicles with LED headlights can be identified via the PR  
number 8IT.  
– Carrying out basic setting of headlight range control ⇒ page  
31  
4. Descriptions of work  
151  
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤  
Maintenance - Edition 12.2020  
Adjusting left headlight  
1 - Height adjustment  
2 - Lateral adjustment  
– Turn height adjustment screw -1- until setting is correct.  
– Turn lateral adjustment screw -2- until setting is correct. The  
lateral adjustment mechanism is sealed on SAE-compliant  
headlights.  
Note  
Adjustment of the right headlight is carried out in the same  
sequence.  
The adjustment screws for the right headlight are a mirror  
image.  
4.55  
Headlight adjustment: checking LED  
headlights (Tiguan PA)  
Note  
Additional weights are no longer used.  
Instead, a different inclination setting on the headlight adjust‐  
ment unit is used.  
If the maintenance tables are used, the settings are dis‐  
played in the vehicle-specific maintenance list.  
In the US, Canadian and Mexican markets, SAE-compliant  
headlights are used.  
The headlight adjustment is subject to a separate charge.  
Test and adjustment conditions ⇒ page 152  
Headlight adjustment (ECE): checking ⇒ page 153 .  
Check headlight adjustment (SAE). ⇒ page 154  
LED headlights: Adjusting ⇒ page 155  
4.55.1  
Test and adjustment conditions  
Tyre pressure OK  
Headlight lenses must not be damaged or dirty.  
Reflectors and lights OK  
152  
4. Descriptions of work  
 

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