Scan Tool Testing and Procedures

Vehicle Diagnosis Tester, Connecting and Selecting Functions

Special tools, testers and auxiliary items required

• Vehicle Diagnostic Tester

• Diagnostic Test Lead


• 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 test lead (VAS 5051/1) - 2 - or (VAS 5051/3) to the diagnostic connection.






- Turn on the tester - arrow -.






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

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

• Test Instruments

• OBD

The tester is now ready for operation.

- Turn on the ignition.

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