Most data bus circuit for Audi A5 I (2007-2011)

CD CHANGER CONTROL MODULE (CENTER OF DASH) CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) DATA BUS ON BOARD DIAGNOSTIC INTERFACE (ABOVE GLOVE BOX) DIGITAL RADIO (DAB) (IF EQUIPPED) DIGITAL SOUND SYSTEM CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) DIGITAL SOUND SYSTEM CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) EXCEPT PREMIUM PREMIUM EXTERNAL AUDIO SOURCE CONNECTION (IF EQUIPPED) FRONT INFORMATION DISPLAY CONTROL HEAD FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (CENTER OF DASH) LUGGAGE COMPT) MMI BASIC MMI HIGH NAVIGATION SYSTEM W/ CD DRIVE NCA WIRE RADIO SATELLITE RADIO/ DIGITAL RADIO (IF EQUIPPED) TELEPHONE TRANSCEIVER TELEPHONE TRANSCEIVER (IF EQUIPPED) (UNDER FRONT PASSENGER'S SEAT) TV TUNER (LEFT REAR OF