Initiating and Checking Control Module Versions

CAN-Bus On Board Diagnostic Interface, On Board Diagnostic (OBD), Initiating - Checking Control Module Versions


NOTE: The following description refers only to the VAG 1551 Scan Tool (ST).


Test requirements:
- All fuses OK according to wiring diagram.
- Supply voltage OK (at least 9.0 volts).


NOTE: Connect Scan Tool (ST). Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks" under "Accessories and Optional Equipment/Antitheft and Alarm Systems/Alarm Module, (Vehicle Antitheft)". Testing and Inspection


- Switch on ignition.

Indicated on display:


VAG - On Board Diagnostic (OBD) HELP
1 - Rapid data transfer*
2 - Blink code output*


* Two operating modes are displayed alternately


NOTE:
- If nothing is indicated on display, check voltage supply for VAG 1551 scan tool according to wiring diagram.
- Additional instructions can be called up via the HELP button on the scan tool.
- The -> button is used for advancing through the program sequence.
- Function 00 "Automatic test sequence" can be performed in operating mode 1 "Rapid data transfer". This automatically checks all control modules installed in the vehicle.


- Switch printer on via the PRINT button (indicator lamp in button lights up).
- Press button -1- to select "Rapid data transfer" operating mode 1.

Indicated on display:


Rapid data transfer HELP
Enter address word XX


- Press buttons -1- and 9- to input address word 19 "Gateway".

Indicated on display:


Rapid data transfer Q
19 - Gateway CAN-Bus


- Press -Q- button to confirm input.

Indicated on display:


Rapid data transfer Q
Scan tool sends address word 19


Indicated on display:


6N0909901 Gateway K <-> CAN 0001 ->
Coding 00002 WSC 00000


Upper line ID no. of
Control module,
System identification
(Gateway K <-> CAN)2),
Version number

Bottom line Coding number 1),
Work Shop Code

1) depends on control modules connected to CAN-Bus
2) CAN-Bus On Board Diagnostic (OBD) interface -J533- in instrument cluster is designated as 'Gateway' in On Board Diagnostic (OBD).

- Press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX


- Pressing the HELP button will print out an overview of all of the possible functions.

Available functions

01 - Check Control Module Versions
02 - Check DTC Memory
05 - Erase DTC Memory
06 - End Output
07 - Code control module
08 - Read measuring value block


NOTE:
- All possible "Gateway" OBD functions are indicated above. Do not attempt to select additional functions printed out via the HELP button.
- After function is completed, the VAG 1551 returns to the start position:


Indicated on display:


Rapid data transfer HELP
Select function XX