Data Bus On Board Diagnostic Interface, On Board Diagnostic (OBD), initiating & checking control module versions
WARNING: This page is about a different variant/trim than selected.
Test requirements:
- All fuses OK according to wiring diagram
- Voltage supply OK (at least 11.5 V).
- Scan Tool VAG 1551 or VAG 1552 connected.
NOTE:
- Connecting Scan Tool. Refer to Tools .
- The following description applies only to Scan Tool VAG 1551.
- Switch on ignition.
- Switch on printer with the PRINT button (indicator lamp in button lights up).
- Press button -1- to select operating mode 1 "Rapid data transfer".
Indicated on display:
| Rapid data transfer HELP Input address word XX |
- Press buttons -1- and -9- to input "Gateway" address word 19.
Indicated on display:
| Rapid data transfer Q 19 - Diagnostic Interface for Data Bus |
- Press -Q- button to confirm input.
Indicated on display:
| Rapid data transfer Q Tester sends address word 19 |
Indicated on display (example only):
| 6N0909901 Gateway K <-> CAN 0001 Coding 00007 WSC 00000 |
| Top line: | Part No. of control module |
| System designation (Gateway K <-> CAN)1) |
|
| Software level | |
| Bottom line: | Coding2) |
| Workshop number |
1) The Data Bus On Board Diagnostic Interface -J533- in instrument cluster is referred to in the OBD program as "Gateway".
2) Dependant on the control modules connected to the CAN Bus network.
- Press → button.
Indicated on display:
| Rapid data transfer HELP Select function XX |
- After the HELP button is pressed, a list of the possible functions is printed out.
List of available functions
| Function | Reference | |
| 01 - | Check Control Module Versions | Data Bus On Board Diagnostic Interface, On Board Diagnostic (OBD), initiating & checking control module versions |
| 02 - | Check DTC memory | Diagnostic Trouble Code (DTC) memory, checking (function 02) |
| 05 - | Erase DTC memory | Diagnostic Trouble Code (DTC) memory, erasing (function 05) |
| 06 - | End Output | End Output (function 06) |
| 07 - | Code Control Module | Gateway, coding (function 07) |
| 08 - | Read Measuring Value Block | Read Measuring Value Block (function 08) |
NOTE:
- Press HELP button to print out a complete list of available functions. This list indicates function capability of VAG 1551 Scan Tool (ST) only, and does not necessarily reflect function capability of vehicle systems equipped with OBD. For "Gateway" address word 19, do not attempt to select functions other than those listed above.
- After function is completed and forwarded with → button, VAG 1551 Scan Tool (ST) returns to following start position:
Indicated on display:
| Rapid data transfer HELP Select function XX |