Initiating On Board Diagnostic Program

WARNING!
- Check wiring via visual inspection only.
- Do not check continuity or resistance of the airbag igniter circuits.
- Only check wiring with the ignition switched off!
- As a safety measure during the airbag On Board Diagnostic (OBD), always end the OBD after checks and repairs are completed. Restart the OBD again if necessary.


- Connect scan tool. Connecting VAG 1551 Scan Tool
- Switch on printer with Print button (warning lamp in button lights up).
- Switch ignition on

Indicated on display:

Rapid data transfer HELP
Enter address word XX

- Press buttons -1- and -5- to select "Airbag" address word 15.

Indicated on display:

Rapid data transfer Q
15 - Airbag

- Confirm entry with Q button.

Indicated on display:

Rapid data transfer HELP
Select function XX

NOTE: If one of the following malfunction types appear in the display, the possible causes of the malfunction can be printed out by pressing the "HELP" button.

If the messages below displays, the ignition must be switched on.

Rapid data transfer HELP
Control module does not answer!

Rapid data transfer HELP
K wire not switching to positive!

If the message below displays, faults have occurred at the start of or during the program (external interference?).

Rapid data transfer ->
No signal from control module!

If the message below displays, check diagnostic wires as well as voltage supply and ground connection.

Rapid data transfer ->
Fault in communication build up

- After correcting possible fault causes, once again enter address word 15 for "Airbag" and confirm with -Q- button.

Indicated in display after entering the address word 15

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Tester Sends the address word 15

and then the following appears in the display (see parts catalog for latest control module version):

1J0 909 609 A AIRBAG VW 3-S V03 ->
Coding 00065 WSC12345

- Press -> button.

Indicated on display

Rapid data transfer HELP
Select function XX