From 11/03/2008, The Voice Recognition System Is Part Of The Information Electronics Control Module 1 -J794-.

Fig 1: Voice Control System Electrical Diagram (From 1 June 2009)

Courtesy of AUDI OF AMERICA, LLC

1. Front Information Display Control Head -J685-
   • Inside the center of the instrument panel
2. Multimedia System Control Head -E380-
   • In center console
3. Information Electronics Control Module 1 -J794-
   • In instrument panel
   • Connector assignment, from 11/03/2008, refer to MMI CONNECTOR ASSIGNMENT, FROM 11/03/2008, MAXIMUM EQUIPMENT .
   • Removing and installing, refer to Information Electronics Control Module 1 -J794-, REMOVING AND INSTALLING
4. Data Bus On Board Diagnostic Interface -J533-
   • Behind the glove compartment on the left side
5. Steering Column Electronics Control Module -J527-
   • On steering column at steering column switches
6. Multifunction Steering Wheel
   • Buttons, Removing and Installing, refer to MULTIFUNCTION BUTTONS, REMOVING AND INSTALLING, THROUGH MY 2011 .
7. Digital Sound System Control Module -J525-
   • Behind the luggage compartment left side trim
8. Radio -R-
   • Behind the luggage compartment left side trim
9. TV Tuner -R78-
   • Behind the luggage compartment left side trim
10. CD Changer -R41-
    • In the glove compartment
11. Microphone Unit in Front Roof Module -R164-
    • Overview, refer to OVERVIEW - MICROPHONE UNIT .

Fault Finding Is Performed via "Guided Fault Finding  " On The Vehicle Diagnostic Tester.