Antilock Brakes / Traction Control Systems: Testing and Inspection

Vehicle Diagnostic, Test and Information System (VAS 5051), Connecting and Selection Functions

Special tools, testers and auxiliary items required

• Vehicle Diagnostic, Test and Information System (VAS 5051)

• Diagnostic Cable (VAS 5051/1) or (VAS 5051/3)


• 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 the Data Link Connector (DLC).

- Switch on tester - arrow -.






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

- Switch on ignition.

- Touch Guided Fault Finding.

- Select one after another:

• Brand

• Model

• Model year

• Version

• Engine code

- Confirm data entered.

Wait until tester has checked all control modules in 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.

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

- 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.