Work procedure

Switch ignition off.
Connect Vehicle Diagnostic and Information System VAS 5052 with diagnostic wire VAS 5052/3.

Fig 1: Connecting Vehicle Diagnostic And Information System VAS 5052 With Diagnostic Wire VAS 5052/3
Courtesy of AUDI OF AMERICA, INC.

CAUTION: Observe safety precautions. See Safety precautions .

NOTE: If a malfunction message is displayed:

See operating instructions for Vehicle Diagnostic and Information System VAS 5052.

Depending on the desired mode "Selectable diagnostic modes" table. See SELECT DIAGNOSTIC MODE .
Switch ignition on.

or

Start engine.