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Vehicle Diagnostic Tester, Connecting

Volkswagen offers various testers, for example:

The operation of these testers is described in the respective operating instructions.

The following description is based on the vehicle diagnosis, testing and information system VAS 5051.

Connecting 

Special tools and workshop equipment required 

WARNING:
  • During a test drive you must always secure testing and measuring equipment on the back seat.
  • Only the passenger may use the equipment during the road test.

-- Connect the diagnostic cable VAS 5051/1 -2- or VAS 5051/3 to the diagnostic connection.

Fig 1: Connecting Evaporative Emissions Tester To Vehicle
GWWN01-0590Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Switch the tester on -arrow-.

Fig 2: Identifying Volkswagen Tester VAS 5051, On Switch
GWWN01-0433Courtesy of VOLKSWAGEN UNITED STATES, INC.

The tester is ready for use when it is possible to select between the fields/buttons Guided Functions  and Guided Fault Finding  on the right side of the screen.

Depending on equipment and tester version, additional functions may be displayed, for example:

The tester is now ready for operation. 

-- Turn on the ignition.

-- Touch a field/button on the display to start the desired function.