On Board Diagnostic (OBD), Initiating Program

On Board Diagnostic (OBD), Initiating Program

Test requirements:
- Voltage supply and fuses for appropriate system OK.
- Connect VAG 1551 Scan Tool (ST).
- Anti-theft alarm not primed.
- Ignition key not inserted.


NOTE:
- If no display appears, use wiring diagram to check power supply for V.A.G 1551.
- Additional operating instructions can be called up by pressing the scan tool HELP key.
- Next step in program sequence can be selected by pressing -> key.
- Incorrect entries can be terminated by pressing C-key.

- Switch on printer by pressing PRINT key (lamp in key lights).
- Press key 1 for "Rapid data transfer".

Indicated on display:


Rapid data transfer HELP
Enter address word XX


Address word for central locking: 35
- Press keys 3 and 5.

Indicated on display:


Rapid data transfer Q
35 - Central locking


- Confirm entry with Q key.

Indicated on display:


Rapid data transfer
Tester transmits address word 35


Adjacent display appears after approx. 5 s (e.g. for vehicles with no anti-theft alarm):


4B09622580 Central locking D30 ->
Code 4672 WSC 08812


- Press -> key.

Indicated on display:


Rapid data transfer HELP
Select function XX


NOTE: Pressing HELP key prints out a list of possible functions.


On Board Diagnostic (OBD) functions

Possible functions:
01 - Check Control Module Versions
02 - Check DTC Memory
03 - Output Diagnostic Test Mode
05 - Erase DTC Memory
06 - End Output
07 - Code Control Module
08 - Read Measuring Value Block
10 - Adaptation