Adaption - Audi A3 1997 Service Manual

9th and 10th ident no. position
Measured value block 022
Display group 22
X X
Starting authorised
▪ 1 = Yes
▪ 0 = No, i.e. vehicle key not/incorrectly matched or engine control unit incorrectly encoded/defective
1) Depending on engine control unit, measured value block is set for 10 ... 30 s after switching off engine
and ignition to "0 = Engine control unit response no", i.e. engine control unit released and no fault present. Start
self-diagnosis again as a check => Page

4.9 - Adaption

Note:
Adaption function can only be implemented after establishing immobilizer PIN => Establishing PIN, Page
123 .
The adaption function can be used to make and save the following changes:
◆ Matching of vehicle keys => Page
◆ Adaption following replacement of engine control unit=>Page
◆ Adaption following replacement of dash panel insert => Page
4.10 - Establishing PIN
For security reasons, the immobilizer PIN is encoded. The encoded number (PIN = Personal Identification
Number) is made up of 7 digits.
The PIN can only be used with the vehicle diagnostic, testing and information system VAS 5051 as of basic
CD version V02.00.
The 7-digit PIN must be obtained by way of the appropriate Regional Sales Centre/importer on the basis of the
14-position immobilizer/engine control unit identification number.
Electrical system Self-diagnosis - Edition 02.2002
13th and 14th ident no. position
11th and 12th ident no. position
X
Engine control unit response 1)
▪ 1 = Yes
▪ 0 = No, i.e. fault in engine control unit or wiring
114 .
124
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Key status OK
▪ 1 = Yes
▪ 0 = No, i.e. vehicle key not/incorrectly matched or trans‐
ponder defective
131
130
4.8 - Reading measured value block
Audi A3 1997 ➤
◂ Indicated on display
123