Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
- Press ⇒key.
-> Indicated on display (selection of function, e.g. 02 - interrogate fault memory):
Rapid data transfer HELP
Select function XX
Notes:
◆ Pressing the HELP key prints a list of possible functions.
◆ Pressing the ⇒ key returns V.A.G 1551 program to its initial setting.
◆ If one of the following fault messages appears on the display:
-
Rapid data transfer HELP
No control unit response
-> Use the HELP key to print out the possible fault causes.
-
Rapid data transfer HELP
K-line not switched to positive
-> Check diagnostic connector wiringusing current flow diagram.
=> Current Flow Diagrams, Electrical Fault-Finding and Fitting Locations
->
Rapid data transfer
No signal from control unit
◆
Rapid data transfer
Communication problem
-> If this display appears at the start of or during the program, faults have occurred and data exchange is
no longer possible between the fault reader V.A.G 1551 and the control unit -E87. Check wiring of diagnostic
connector using the current flow diagram.
=> Current Flow Diagrams, Electrical Fault-Finding and Fitting Locations
- After eliminating the possible causes of trouble, enter address word 08 again for "Electronic climate/heating
control" and confirm with Q key.
-> Display following input of the address word 08:
and the following display then appears:
Rapid data transfer
Tester transmits address word 08
-> The control unit identification, the code and the workshop code for the V.A.G 1551 are displayed:
8L0 820 043 X A3 Fully aut. air
cond. DXX
Code XXXXX WSC ZZZZZ
- Press ⇒key.
-> Indicated on display (selection of function, e.g. 02 - interrogate fault memory):
Rapid data transfer HELP
Select function XX
3 - Interrogating fault memory
3.1 - Interrogating fault memory
- Connect fault reader V.A.G 1551,
Enter address word 08 "Electronic climate/heating control" and advance the program until "Select function
XX" appears on display (=>as of Page 4 ).
Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
2.1 - Connecting vehicle diagnosis, measurement and information system VAS 5051 or
fault reader V.A.G 1551 and selecting function 7