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Volkswagen Workshop Service and Repair Manuals

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Golf Mk3

Body self-diagnosis
Self-diagnosis of airbag system 09.94 >
Coding airbag control unit using fault reader V.A.G 1551

Coding is only possible when a new control unit is used.

  • ‒ Connect fault reader .
  • ‒ Switch on ignition.
  • ‒ Press key -1- for "Rapid data transfer" mode.
 
→ Indicated on display:
Rapid data transfer    HELP
Enter address word XX
  • ‒ Press keys -1- and -5- (the address word of the vehicle system to be tested "Airbag" is entered with 15).
 
→ Indicated on display:
Rapid data transfer    Q
15 Airbag
  • ‒ Confirm entry with the Q key.

The airbag (K 75) warning lamp lights up continuously.
 
→ Indicated on display (actual control unit versions see Parts catalogue):
1J0 909 608    AIRBAG VW 3 S    V03    ⇒
Coding 00000    WSC00000
  • ‒ Press ⇒key.
 
→ Indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Press keys -0- and -7- (with 07 the function "Code control unit" is selected).
 
→ Indicated on display:
Rapid data transfer    Q
07 Code control unit
  • ‒ Confirm entry with the Q key.
 
→ Indicated on display:
Code control unit    
Enter code number    XXXXX (0-32000)

- Enter code number according to table:

For vehicles ▸ 07.96

Vehicle equipment

Part No.

Index

Code number

Driver's airbag only

6N0 909 603

F

00070

Driver's/ and front passenger's airbag

6N0 909 603

E

00069

Airbag with knee bar without side airbag

6N0 909 603

D

00068

For vehicles 08.96 ▸

Vehicle equipment

Part No.

Index

Code number

Driver's/front passenger's airbag with knee bar and side airbags

1J0 909 605

D

00074

Driver's/front passenger's airbag and side airbags

1J0 909 605

A

000651)

Driver's/front passenger's airbag and side airbags

1J0 909 608

A

000651)

Driver's and side airbags

1J0 909 608

K

00075

Driver's airbag, side airbag and head airbag

1J0 909 608

L

00076

Airbag with knee bar and side airbag

1J0 909 608

J

00074

1) Observe control unit Part No. on vehicles with side airbag.

  • ‒ Confirm entry with the Q key.
 
→ The control unit identification number with the relevant letter index, code number and workshop code is displayed.
1J0 909 608 A    AIRBAG    VW 3 S    V03
Coding 00065    WSC 12345

If the contents of the display are as shown then the coding is successful.

If the control unit code number entered is not accepted, then the FAULT and the code number not accepted will be displayed, e.g. 00200:
 
→ Indicated on display:
FAULT    ⇒
Coding 00200 not accepted

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 (K 75) will not extinguish 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 index), or whether an incorrect code number has been entered.

Ending function:

  • ‒ Press ⇒key.
 
→ Indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Press keys -0- and -6- to end the output.
  • ‒ Confirm entry with the Q key.
 
→ Indicated on display:
Rapid data transfer    Q
06 End output

Airbag warning lamp (K75) must go out after approx. 4 seconds.

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