Audi S4 B8 (2008-2011) most data bus circuit Wiring diagrams

7 16 18 PIN CONNECTOR (W/O SPEAKER PHONE) BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CD CHANGER COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM CONTROL MODULE END OF DASH) EXTERNAL AUDIO SOURCE CONNECTION (W/ MMI HIGH) FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (W/O REAR VIEW CAMERA) FUSE 1 FUSE 3 FUSE 4 FUSE CARRIER 2 FUSE CARRIER 3 GRN/VIO WIRE HOT AT ALL TIMES LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LUGGAGE COMPARTMENT RELAY/FUSE CARRIER LUGGAGE COMPT) MOST DATA BUS CIRCUIT NCA WIRE OF CARGO AREA) PASSENGER'S SIDE FUSE PANEL REAR VIEW CAMERA SYSTEM CONTROL MODULE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER SIDE OF CENTER TUNNEL) TV TUNER W/ MMI HIGH WHT WIRE WHT/GRN WIRE WHT/RED WIRE

"C" PILLAR) ANTENNA AMPLIFIER 2 ANTENNA AMPLIFIER 3 BLK WIRE BLU/GRN WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FUSE 3 FUSE CARRIER 3 GRN/VIO WIRE HOT AT ALL TIMES LEFT QUARTERPANEL) LEFT REAR MID/LOW RANGE SPEAKER LEFT REAR TREBLE SPEAKER LUGGAGE COMPARTMENT RELAY/FUSE CARRIER LUGGAGE COMPT) MOST DATA BUS CIRCUIT NAVIGATION SYSTEM W/ CD DRIVE CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) NCA WIRE OF CARGO AREA) OF ROOF) RADIO RADIO, TELEPHONE NAVIGATION SYSTEM ANTENNA (W/ ROOF ANTENNA) RED/VIO WIRE RIGHT REAR MID/LOW RANGE SPEAKER RIGHT REAR TREBLE SPEAKER SATELLITE RADIO SIDE OF LUGGAGE COMPT) SIDE OF TRUNK) W/ BLUETOOTH CELLULAR TELEPHONE W/ SPEAKER PHONE WHT/GRN WIRE

18 PIN CONNECTOR 8 9 (W/O SPEAKER PHONE) BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER MID/HIGH RANGE SPEAKER COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM CONTROL MODULE EXTERNAL AUDIO SOURCE CONNECTION FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (W/O REAR VIEW CAMERA) FUSE 3 FUSE 4 FUSE CARRIER 3 GRN WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES INSIDE MICROPHONE LEFT REAR MID/LOW RANGE SPEAKER LEFT REAR TREBLE SPEAKER LUGGAGE COMPARTMENT RELAY/FUSE CARRIER LUGGAGE COMPT) MICROPHONE UNIT MOST DATA BUS CIRCUIT NCA WIRE OF CARGO AREA) OF TRUNK) PASSENGER'S SEAT) REAR VIEW CAMERA SYSTEM CONTROL MODULE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT REAR MID/LOW RANGE SPEAKER RIGHT REAR TREBLE SPEAKER SIDE OF LUGGAGE COMPT) TELEPHONE MICROPHONE TELEPHONE TRANSCEIVER TV TUNER VOICE CONTROL MICROPHONE W/O SPEAKER PHONE W/ SPEAKER PHONE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

"C" PILLAR) ANTENNA AMPLIFIER 2 ANTENNA AMPLIFIER 3 BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE CARRIER 3 FUSE 3 GRN/VIO WIRE HOT AT ALL TIMES LEFT QUARTERPANEL) LUGGAGE COMPARTMENT RELAY/FUSE CARRIER LUGGAGE COMPT) MOST DATA BUS CIRCUIT NAVIGATION SYSTEM W/ CD DRIVE CONTROL MODULE NCA WIRE OF CARGO AREA) OF ROOF) RADIO RADIO, TELEPHONE NAVIGATION SYSTEM ANTENNA (W/ ROOF ANTENNA) RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE SATELLITE RADIO SIDE OF LUGGAGE COMPT) SIDE OF TRUNK) W/ BLUETOOTH CELLULAR TELEPHONE W/ SPEAKER PHONE WHT/YEL WIRE

BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER COMPUTER DATA LINES SYSTEM END OF DASH) EXTERNAL AUDIO SOURCE CONNECTION (W/ MMI HIGH) FUSE 1 FUSE CARRIER 2 GRN/VIO WIRE HOT AT ALL TIMES LEFT FRONT BASS SPEAKER LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MIDRANGE SPEAKER MOST DATA BUS CIRCUIT NCA WIRE PASSENGER'S SIDE FUSE PANEL RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR MIDRANGE SPEAKER SIDE OF CENTER TUNNEL) SUBWOOFER W/ MMI HIGH WHT/YEL WIRE

18 PIN CONNECTOR BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM CONTROL MODULE EXTERNAL AUDIO SOURCE CONNECTION FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (W/O REAR VIEW CAMERA) FUSE 3 FUSE 4 FUSE CARRIER 3 GRN WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES LUGGAGE COMPARTMENT RELAY/FUSE CARRIER LUGGAGE COMPT) MICROPHONE UNIT MOST DATA BUS CIRCUIT NCA WIRE OF CARGO AREA) OF TRUNK) PASSENGER'S SEAT) REAR VIEW CAMERA SYSTEM CONTROL MODULE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE ROOF MODULE) TELEPHONE MICROPHONE TELEPHONE TRANSCEIVER TV TUNER VOICE CONTROL MICROPHONE 6 5 W/ SPEAKER PHONE W/O SPEAKER PHONE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

"C" PILLAR) ANTENNA AMPLIFIER 2 ANTENNA AMPLIFIER 3 BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 3 FUSE CARRIER 3 GRN/VIO WIRE HOT AT ALL TIMES LEFT QUARTERPANEL) LUGGAGE COMPARTMENT RELAY/FUSE CARRIER MOST DATA BUS CIRCUIT NAVIGATION SYSTEM W/ CD DRIVE CONTROL MODULE NCA WIRE RADIO RADIO, TELEPHONE NAVIGATION SYSTEM ANTENNA (W/ ROOF ANTENNA) RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE SATELLITE RADIO SIDE OF LUGGAGE COMPT) W/ BLUETOOTH CELLULAR TELEPHONE W/ SPEAKER PHONE WHT/GRN WIRE WHT/YEL WIRE

BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CD CHANGER CENTER MID/HIGH RANGE SPEAKER COMPUTER DATA LINES SYSTEM EXTERNAL AUDIO SOURCE CONNECTION (W/ MMI HIGH) FUSE 1 FUSE CARRIER 2 GRN/VIO WIRE HOT AT ALL TIMES LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MID/LOW RANGE SPEAKER LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NCA WIRE PASSENGER'S SIDE FUSE PANEL (UNDER RIGHT SIDE OF DASH) RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR MID/LOW RANGE SPEAKER RIGHT REAR TREBLE SPEAKER SUBWOOFER W/ MMI HIGH WHT/GRN WIRE WHT/YEL WIRE

"C" PILLAR) 16 7 18-PIN CONNECTOR ANTENNA AMPLIFIER 3 BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM FUSE CARRIER 3 GRN/VIO WIRE HOT AT ALL TIMES FUSE 3 HOT AT ALL TIMES FUSE 4 LEFT QUARTERPANEL) LUGGAGE COMPARTMENT RELAY/FUSE CARRIER LUGGAGE COMPT) MOST DATA BUS CIRCUIT NCA WIRE OF TRUNK) PILLAR) RADIO RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR MID/ LOW RANGE SPEAKER RIGHT REAR TREBLE SPEAKER TV TUNER (IF EQUIPPED) WHT WIRE WHT/GRN WIRE

BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CD/DVD CHANGER CENTER TUNNEL) COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA ANTENNA AMPLIFIER 2 END OF DASH) FUSE 1 FUSE CARRIER 2 GRN/VIO WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MID/ LOW RANGE SPEAKER LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NAVIGATION SYSTEM ANTENNA NCA WIRE OF ROOF) PASSENGER'S SIDE FUSE PANEL RADIO, TELEPHONE NAVIGATION SYSTEM ANTENNA RED/BLK WIRE RED/BLU WIRE SATELLITE ANTENNA TELEPHONE ANTENNA TELEPHONE BASE PLATE W/ BLUETOOTH W/ SPEAKER PHONE