Connecting VAS 5051 or VAG 1551

Test requirements:
- Check fuse for function according to wiring diagram.
- Always check coding of instrument cluster according to code table. Programming and Relearning
- Connect VAS 5051 tester or VAG 1551 scan tool. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks", under "Lighting and Horns/Headlamp", Testing and Inspection
- Switch on ignition.


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.
- An incorrect entry can be canceled using the C-button.
- 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 on ignition.
- 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
Insert address word XX


Address word: 17
- Press buttons -1- and -7-.

Indicated on display


Rapid data transfer Q
17 - Instrument Cluster


- Press -Q- button to confirm input.

Indicated on display after approx. 5 seconds:


4B092O980EC5-KOMBIINSTR.VDO X17 ->
Coding 02283 WSC 06812


- 4B0920980E: Part number of instrument cluster
- C5 Instrument Cluster: component marking
- VDO: Manufactured by VDO (M73 : Manufactured by Magneti Marelli)
- X17: Software version of instrument cluster
- Coding 02283: Coding of instrument cluster
- WSC 06812: dealership number


NOTE: Check code number using coding table. Programming and Relearning


- Press -> button.

If one of these messages is indicated on the display:

Indicated on display


Rapid data transfer HELP
Control module does not answer


or

Indicated on display


Rapid data transfer HELP
Error in communication link


or

Indicated on display


Rapid data transfer HELP
K wire not switching to Ground


or

Indicated on display


Rapid data transfer HELP
K wire not switching to B+


- Check wiring connections for Data Link Connector (DLC).

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.