Adaption - Audi A3 1997 Service Manual

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
Measured value block 023
Display group 23
X X
Variable code authorised
▪ 1 = Yes
▪ 0 = No, i.e. variable code not authorised (arithmetic rule for variable code in key not the same as in
dash panel insert)

5.9 - Adaption

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Adaption function can only be implemented after establishing immobilizer PIN => Establishing PIN, Page
150 .
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
Electrical system Self-diagnosis - Edition 02.2002
X
Key status OK
▪ 1 = Yes
▪ 0 = No, i.e. not possible to read formally correct trans‐
ponder fixed code (regardless of whether authorised or not)
Engine control unit response 1)
▪ 1 = Yes
▪ 0 = No, i.e. fault in engine control unit or wiring
140 .
X
Arithmetic rule in key can be overwritten
▪ 1 = No
▪ 0 = Yes
150
◂ Indicated on display
X ◂ Display zones 1 ... 4
Number of matched keys
▪ Up to max. 8 keys
◂ Indicated on display
- ◂ Display zones 1 ... 4
Fixed code authorised
▪ 1 = Yes
▪ 0 = No, i.e. transponder fixed code of key not au‐
thorised
157
156
5.8 - Reading measured value block
Audi A3 1997 ➤
149