Audi A3 1997 - Adaption Following Replacement of Engine Control Unit

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5.14 - 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, all keys must be replaced=> Page 156 .
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) key in ignition lock.
- Establish immobilizer identification number by starting immobilizer self-diagnosis => Page 140 .
- 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.
-> Display on VAS 5051:
- From list -1- select diagnosis function "Release (PIN)".
t Display on VAS 5051
Vehicle self-diagnosis 17 - Dash panel insert
8L0920930
Functional test
DASH PANEL INSERT+IMMOBILIZER M73 D14
Release (PIN)
Code 5044
Dealership number 12345
Information
PIN is used for release of Ready
key matching/adaption in
vehicle system
PIN provided on the basis of
immobilizer identification number
is only valid
for one day
Audi A3 1997 ➤
Electrical system Self-diagnosis - Edition 02.2002
5.14 - Adaption following replacement of engine control unit 157