Most data bus circuit for Audi S6 C7 (2012-2014)

CD CHANGER, DVD CHANGER CONTROL MODULE CONTROL MODULE 1 CONTROL MODULE 2 (W/ REAR SEAT ENTERTAINMENT) DATA BUS ON BOARD DIAGNOSTIC INTERFACE DATA BUS ON BOARD DIAGNOSTIC INTERFACE (BELOW REAR SEAT) DIGITAL SOUND SYSTEM CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) DIGITAL TV TUNER (LEFT SIDE OF LUGGAGE COMPT) DVD CHANGER FIBER OPTIC INFORMATION ELECTRONICS INFORMATION ELECTRONICS CONTROL MODULE 1 INSTRUMENT CLUSTER NCA WIRE RADIO RMC