Work sequence

WARNING: This page is about a different car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying VAS 5051 And VAS 5051/1

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connect vehicle diagnosis, testing and information system VAS 5051 - 1 - as follows:
Connect diagnosis cable VAS 5051/1 or VAS 5051/3 - 2 - to diagnosis connection.
Start engine and run at idling speed.

Only when engine does not start:

Switch on ignition.

Selecting operating mode

Press button on display for "Vehicle self-diagnosis".

Selecting vehicle system

Press button "01 - Engine electronics" on display.

The control module identification and coding are indicated on the display.

Selecting diagnostic function

Press button "02 - Read fault memory" on display.

If no fault is stored in the engine control module "0 fault(s) detected" is displayed.

If faults are stored in the engine control module, these are shown one below the other on the display.

Press ← key.
Press button "05 - Erase fault memory" on display.
Press function "06-End output".