Audi A3 1997 - Page 180

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Display group
number
Indicated on display
025 1 = CAN communication
2 = Not used
3 = Not used
4 = Not used
Measured value block 022
Display group 22 ◂ Indicated on display
X X X X ◂ Display zones 1 ... 4
Number of matched keys
▪ Up to max. 8 keys
Key status OK
▪ 1 = Yes, i.e. possible to read formally correct transponder
fixed code (regardless of whether authorised or not)
▪ 0 = No, i.e. not possible to read formally correct trans‐
ponder fixed code
Engine control unit response
▪ 1 = Yes (regardless of whether engine control unit authorised or not)
▪ 0 = No, i.e. engine control unit in run-on mode 1)
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 166 .
Measured value block 023
Display group 23 ◂ Indicated on display
X X X X ◂ Display zones 1 ... 4
Immobilizer status
▪ 4: Service new; service as-delivered con‐
dition (replacement dash panel insert)
▪ 5: Service blocked; service adaption data
programmed
▪ 6: Immobilizer adapted; normal function
status
▪ 7: Key matching active; key matching via
tester
Fixed code authorised
▪ 1 = Yes
▪ 0 = No, i.e. transponder fixed code of key not authorised
Key status (transponder)
▪ 1 = Transponder in key blocked, i.e. arithmetic rule in key can no longer be overwritten;
key cannot be matched to any other immobilizer system
▪ 0 = Transponder in key not blocked, i.e. transponder not yet matched to dash panel insert
(new replacement key)
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)
Audi A3 1997 ➤
Electrical system Self-diagnosis - Edition 02.2002
174 01 - Self-diagnosis