Vehicle Diagnostic, Testing and Information System VAS 5051 or Scan Tool V.A.G 1551, Connecting

Vehicle diagnostic, testing and information system VAS 5051 or scan tool V.A.G 1551, connecting

Test requirements:

Note:
^ Battery voltage at least 11 V
^ Ground (GND) connections at engine and transmission OK
^ Engine off
^ Automatic transmission in position "P" or "N"

Procedure





- Switch off ignition and connect VAS 5051 with accessory pack VAS 5050/1. Alternatively, connect the scan tool V.A.G 1551 with the diagnosis lead for the vehicle diagnostic, testing and information system VAS 5051.

Note:
^ The following description only covers the procedure for On Board Diagnostic (OBD when using the scan tool V.A.G 1551.
^ When using vehicle diagnostic, testing and information system VAS 5051, follow the procedures described in the operating instructions for the tester.

* See note Indicated on display:








and
*alternating displays

Note:
^ If display screen remains blank: Operating instructions for scan tool

- Switch ignition on.
- Switch on scan tool printer by pressing Print button. Indicator lamp in button must come on.
- Press button 1 for "Rapid data transfer".

If the following is indicated on display:





Note:
^ Address word 00 starts the automatic test sequence, i.e. the fault memories of all vehicle systems with self-diagnosis capability are interrogated by way of rapid data transfer.

- Enter "01" for the address word "Engine electronics" and confirm your entry by pressing the Q button.

The scan tool V.A.G 1551 will display the control unit identification details, for example:





Note:
^ The control module identification can be printed out by pressing the PRINT button on the scan tool V.A.G 1551.

Control module identification (example)