Vehicle Diagnosis, Testing And Information System

Vehicle diagnostic tester connecting and selection functions.

Special tools and workshop equipment required

WARNING:

During a test drive, the testing and measuring equipment must always be secured on the back seat.
These devices may be operated only by a passenger during a test drive.

-- Connect VAS 5051/1 or VAS 5051/3 to Data Link Connector (DLC).

-- Turn on tester -arrow-.

Fig 1: Identifying Volkswagen Tester VAS 5051, On Switch

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The tester is operational when it displays a picture of a car.

-- Turn on the ignition.

-- Touch Guided Fault Finding .

-- Select in succession:

-- Confirm data entered.

Wait until the tester has checked all control modules in the vehicle.

-- Press GO TO and select "function/component selection".

-- Select on display "Running gear"

-- Select on display "Brake system"

-- Select "01-On Board Diagnostic (OBD) capable system..." indicated on display.

Either:

-- Select on display "Anti-lock brake system...".

Or:

-- Select on display "Electric Park/Parking Brake"

-- Select "function" indicated on display.

Now, all possible functions of the anti-lock brake system installed in the vehicle will be displayed.

-- Select desired function on display.