Audi Workshop Service and Repair Manuals

Reading measured value block

Sequence of operations –  Start immobilizer self-diagnosis → Chapter. Display on -VAS 5051B-: –  From list -1-, select function “08 - Reading measured value block”.

Display on -VAS 5051B-: 1 -  Enter display group –  Use keypad -2- to enter the desired “display group number” → Anchor and confirm the entry by touching the Q key.

Display on -VAS 5051B-: 1 -  Display zones 1 ... 4. If a display zone is not assigned, there is no display on this line. 2 -  The display group selected is shown here 3 -  Touching these keys permits switching to a different display group. 4 -  Touching these keys permits switching to a different function (e.g. from “Reading measured value block” to “Basic setting” and vice versa). –  Terminate function “08 - Reading measured value block” by touching ← key.

List of display groups

Display group 020
Display zones		Explanatory notes
1	AU	1st and 2nd positions of identification number
2	Z5	3rd and 4th positions of identification number
3	Z0	5th and 6th positions of identification number
4	X1	7th and 8th positions of identification number

t	Example of 14-position immobilizer identification number: AUZ5Z0X1162041

t	This display group is no longer used with newer versions.

Display group 021
Display zones		Explanatory notes
1	16	9th and 10th positions of identification number
2	20	11th and 12th positions of identification number
3	41	13th and 14th positions of identification number
4		Not used

t	Example of 14-position immobilizer identification number: AUZ5Z0X1162041

t	This display group is no longer used with newer versions.

Display group 022
Display zones		Explanatory notes
1		Starting authorised
	…	l  1 = yes l  0 = no, i.e. vehicle key not/incorrectly matched or engine control unit incorrectly encoded/defective
2		Engine control unit responds
	…	l  1 = yes l  0 = no, i.e. either engine control unit is in “Run-on mode” or there is a fault in the engine control unit or wiring Depending on engine control unit, the display is “0 = Engine control unit responds No” for 10 ... 30 seconds after switching off the engine and ignition, i.e. the engine control unit has been released and there are no faults. Start self-diagnosis again to be certain → Chapter
3		Key status OK
	…	l  1 = Correct transponder fixed code read (whether authorised or not) l  0 = Fault, i.e. key or coil defective
4		Number of matched keys
	…	l  Max. 8 keys

Display group 023
Display zones		Explanatory notes
1		Variable code authorised
	…	l  1 = yes l  0 = no, i.e. variable code not authorised (arithmetic rule for variable code in key is not the same as that in the dash panel insert).
2		Key status
	…	l  1 = Transponder in key is interlocked, i.e. arithmetic rule in key can no longer be overwritten. Key can no longer be matched to a different immobilizer system l  0 = Transponder in key not interlocked, i.e. transponder has not yet been matched to dash panel insert
3		Fixed code authorised
	…	l  1 = yes l  0 = no, i.e. transponder fixed code of key not authorised
4		Not used