volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

ABOUT US
Reading measured value block > < Fault table

Golf Mk3

Coding airbag control unitJ234 with fault readerV.A.G 1551
Coding airbag control unit -J234- with fault reader -V.A.G 1551-
Coding is only possible when a new control unit is used.
–  Connect fault reader → Chapter.
–  Switch on ignition.
–  Press key -1- for “rapid data transfer” mode.
   
Indicated on display:
–  Press keys -1- and -5- (the address word of the vehicle system to be tested “Airbag” is entered with 15).
  
Rapid data transfer                 HELP
Input address word XX
Indicated on display:
–  Confirm entry with the Q key.
The airbag warning lamp -K75- is permanently lit.
  
Rapid data transfer                   Q 
15 Airbag
Indicated on display (see parts catalogue for latest control unit version).
–  Press → key.
  
1J0 909 608   AIRBAG VW 3 S    V03    ->
Coding 00000                    WSC00000
Indicated on display:
–  Press keys -0- and -7- (with 07 the function “Code control unit” is selected).
  
Rapid data transfer                 HELP
Select function XX
Indicated on display:
–  Confirm entry with the Q key.
  
Rapid data transfer                   Q 
07 Code control unit
Indicated on display:
–  Enter code number according to the table:
  
Code control unit                    
Enter code number XXXXX
Vehicle equipmentPart No.IndexCode number
Driver airbag only6N0 909 603F00070
Driver and front passenger airbags6N0 909 603AR16722
Driver airbag only (USA)1J0 909 603AR16722
Driver and front passenger airbags1J0 909 603AQ16721
Driver and front passenger airbags6N0 909 603E00069
Driver and front passenger airbags (USA)1J0 909 603T00084
Driver and front passenger airbags (USA)1J0 909 603BC16963
Driver and front passenger airbags (USA)6N0 909 603D00068
Driver and front passenger airbags with side airbags (USA)1J0 909 608J00074
Driver and front passenger airbags with side airbags (USA)1J0 909 608BF16966
Driver and front passenger airbags with side airbags (USA)6Q0 909 6050H12360
Driver and front passenger airbags with knee bar and side airbags1J0 909 605D00074
Driver and front passenger airbags and side airbags1J0 909 605A000651)
Driver airbag and side airbags1J0 909 608K00075
Driver airbag and side airbags1J0 909 608BB16962
Driver airbag and side airbags1J0 909 608BC16963
Driver and front passenger airbags and side airbags1J0 909 608A000651)
Driver and front passenger airbags and side airbags1J0 909 608BA16961
Driver airbag and side airbags1J0 909 608L00076
Driver and front passenger airbags and side airbags1J0 909 608BD16964
1) For vehicles with side airbags, note Part No. of control unit.

–  Confirm entry with the Q key.
   
The control unit identification number will be displayed with the appropriate index letter, the code number and the workshop code.
If the contents of the display are as shown then the coding is successful.
If the entered code number is not accepted by the control unit, the display will indicate an error and will display the entered code number that was not accepted, e.g. 00200:
  
1J0 909 608 A    AIRBAG  VW 3 S     V03 
Coding 00065                   WSC 12345
Indicated on display:
In this case the control unit has not been programmed with the relevant data for the vehicle. Coding is then not possible. The airbag warning lamp -K75- will not go out and lights up continuously. A check must then be completed to see if the correct control unit for the vehicle has been installed (compare Part No. and letter code), or whether an incorrect code number has been entered.
End function:
–  Press → key.
  
ERROR                                 ->
Coding 00200 not accepted
Indicated on display:
–  Press keys -0- and -6- to end the output.
–  Confirm entry with the Q key.
  
Rapid data transfer                 HELP
Select function XX
Indicated on display:
The airbag warning lamp -K75- must go out after max. 4 seconds.
  
Rapid data transfer                   Q
06 End output

Reading measured value block > < Fault table