Convenience System, Initiating on Board Diagnostic (OBD)

Convenience System, Initiating On Board Diagnostic (OBD)

Test prerequisites:

- Voltage supply and fuses S111 and S144 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).


- Connect 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 convenience system: 46

Indicated on display:


Rapid data transfer HELP
Enter address word XX


- Press keys -4- and -6-.

Indicated on display after entering the address word 46:


Rapid data transfer Q
46 Convenience system


- 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 46


The control unit identification of the convenience central control unit (Conv. cent. CU) will be shown on the scan tool VAG1551 display, e.g.:


1J0959799J 03 Conv. cent. CU 0001 ->
Coding XXXXX WSC XXXXX


At this point the program can be advanced with the C key to the option "Rapid data transfer, select function".

- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

The control unit identification of the driver's door control unit will be shown on the scan tool VAG 1551 display, e.g.:


1J0959801A 03 Door CU DS0022 ->


- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

The control unit identification of the passenger's door control unit will be shown on the scan tool VAG 1551 display, e.g.:


1J0959802B 03 Door CU PS0022 ->


- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

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


1J0959811A 03 Door CU RL0022 ->


- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

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


1J0959812A 03 Door CU RR0022 ->


- Press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX