Initiating on Board Diagnostic (Central Locking System)

Convenience System, Initiating On Board Diagnostic (OBD)

Test prerequisites:

- Voltage supply and fuses for the respective system OK.
- To initiate the On Board Diagnostic (OBD) the ignition must be switched on "Terminal 15 on".


NOTE:
- If the display remains blank, check VAG1551 voltage supply according to wiring diagram.


- Additional operating information can be printed out depending on the program by pressing the HELP key of VAG1551.
- The -> key is used for advancing the program sequence.
- The PRINT key is used for switching on the printer (warning lamp in key lights up).
- Connecting scan tool. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks", under "Restraint Systems", Testing and Inspection


- Switch on ignition.
- Switch on printer with Print button (warning lamp in button lights up).
- Press key -1- for "Rapid data transfer" mode.

Indicated on display:


Rapid data transfer HELP
Enter address word XX


Address word for the central locking: 35

Indicated on display:


Rapid data transfer HELP
Enter address word XX


- Press keys -3- and -5-.

Indicated in display after entering the address word 35.


Rapid data transfer Q
35 central locking


- Confirm entry with the Q button.

and then the following appears in the display:

Indicated on display:


Rapid data transfer
Tester sends the address word 35


The control unit identification will be shown on the scan tool VAG 1551 display, e.g.:


1C0982258 XX cent Lock 0001 ->
Coding XXXXX WSC XXXXX


- Press -> key.

Indicated on display:


Rapid data transfer HELP
Select function XX