Audi A3 1997 - Adaption Following Replacement of Engine Control Unit

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
◆ The waiting time is doubled up to a maximum of 255 minutes after every 3 further incorrect entries.
Once dash panel insert has been successfully matched to engine control unit:
- Match all vehicle keys => Page 176 .
6.14 - Adaption following replacement of engine control unit
Notes:
◆ The engine control unit is matched to the dash panel insert (with integrated immobilizer). Adaption to the
immobilizer must be performed if the engine control unit is replaced.
◆ If there is no authorised ignition key available, dash panel insert and all keys must also be replaced=> Page
192 .
Requirement:
• Vehicle diagnostic, testing and information system VAS 5051 connected up and vehicle self-diagnosis se‐
lected => Page 1
Sequence of operations
- Insert old (authorised) ignition key in ignition lock and switch on ignition.
- Establish immobilizer identification number by starting immobilizer self-diagnosis => Page 166 .
- On the basis of the 14-position immobilizer identification number, request 7-digit PIN from appropriate Sales
Centre/importer.
Note:
The PIN is only valid for one day, after which a new number has to be requested. The PIN is of no use to the
customer or other dealerships.
- Touch ▸ key.
-> Display on VAS 5051:
- From list -1- select diagnosis function "06 - End of output".
Audi A3 1997 ➤
Electrical system Self-diagnosis - Edition 02.2002
188 01 - Self-diagnosis