Audi Workshop Service and Repair Manuals > A3 Mk1 > Vehicle electrics | Electrical system Self-diagnosis | Self diagnosis, V.A.G Inspection Service | Immobilizer self-diagnosis - immobilizer II (variable code)

Electrical system Self-diagnosis

Immobilizer self-diagnosis - immobilizer II (variable code)

Starting immobilizer self-diagnosis

Requirements:

● Vehicle diagnostic, testing and information system VAS 5051 connected up and vehicle self-diagnosis selected
● Ignition on

Attention:
Heed safety precautions => Page 01-1.

Sequence of operations

→ Display on VAS 5051:

Note:

The joint address word for the dash panel insert has to be used, as the immobilizer is an integral part of the dash panel insert.

→ Display on VAS 5051:


Immobilizer control unit identification (example)
Immobilizer ident no.: AUZ7Z0Y1132013 1)	1)	14-position immobilizer identification no.

→ Display on VAS 5051:

Diagnosis functions		Page
02	Interrogating fault memory	01-302
03	Final control diagnosis	-
04	Basic setting	-
05	Erasing fault memory	01-308
06	End of output	01-310
07	Encoding control unit	-
08	Reading measured value block	01-311
09	Reading individual measured value	-
10	Adaption	01-317
11	Login procedure	-
Vehicle ident. no. transfer		-
Release (PIN)		01-335
Channel 50 adaption (PIN)		-

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