VW / Touareg (7L) / 55 – control of xenon headlight bevel (AFS-Steuergeraet) CAN / coding - subordinate unit AFS

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

This operation was considered useful 1x.

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connect with the control unit XX – control of xenon headlight bevel

Extended identification

if displayed:

X - control unit: ID-L fehlt
coding: XXXXXXXX

for instance:

Part No X - control unit: ID-L fehlt
Component: AFS-Lst.-Modul l
coding: XXXXXXXX

Part No X - control unit: XLX-XXX-XXX-B
Component: AFS-Lst.-Modul r
coding: XXXXXXXX

check component:
- subordinate unit AFS X
- wiring
- fuse
- ground
- connector X-PIN mistaking?

Picture documentation:

+ AFS_problem

back

XX - Coding

select item in drop-down menu: AFS-Steuergeraet

As new coding, enter the current code of the unit

Start

wait XXs

XX - end of communication

switch ignition off for XXs

End of test

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