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".
- If the display remains blank, check V.A.G 1551 voltage supply according to wiring diagram.
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations
- Additional operating information can be printed out depending on the program by pressing the HELP button of V.A.G 1551.
- The → button is used for advancing the program sequence.
- The PRINT button is used for switching on the printer (warning lamp in button lights up).
- Connect scan tool. Refer to Scan tool, connecting .
- Switch on ignition.
- Switch on printer with Print button (warning lamp in button lights up).
- Press button -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 buttons -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 module identification of the Central control module for comfort system -J393- (Conv. cent. CU) will be shown on the V.A.G 1551 scan tool display, e.g.:
| 1J0959799J 03 Conv. cent. CU 0001 → Coding XXXXX WSC XXXXX |
At this point the program can be advanced with the -C- button 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 module identification of the driver's door control module will be shown on the V.A.G 1551 scan tool 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 module identification of the passenger's door control module will be shown on the V.A.G 1551 scan tool 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 module identification of the rear left door control module will be shown on the V.A.G 1551 scan tool 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 module identification of the rear right door control module will be shown on the V.A.G 1551 scan tool display, e.g.:
| 1J0959812A 03 Door CU RR0022 → |
- Press → button.
Indicated on display:
| Rapid data transfer HELP Select function XX |