Audi A4 B9 (2015-2020) driver volume control Wiring diagrams

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER VOLUME CONTROL FUSE 10 FUSE 14 FUSE 8 FUSE PANEL 2 FUSE PANEL B FUSE PANEL C GRN WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT MICROPHONE MICROPHONE UNIT FRONT ROOF MODULE MULTIMEDIA BUTTON MODULE MULTIMEDIA SYSTEM CONTROL HEAD (CENTER OF DASH) NCA WIRE ORG/ WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT MICROPHONE VIO/GRY WIRE WHT WIRE

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CENTER COUPLING POINT IN INTERIOR CENTER SPEAKER COMPUTER DATA LINES SYSTEM DATA BUS ON BOARD DIAGNOSTIC INTERFACE DRIVER VOLUME CONTROL FRONT INFORMATION DISPLAY CONTROL HEAD FUSE 10 FUSE 14 FUSE 5 FUSE PANEL C GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT BASS SPEAKER LEFT FRONT DOOR COUPLING POINT MOST DATA BUS CIRCUIT MULTIMEDIA BUTTON MODULE MULTIMEDIA SYSTEM CONTROL HEAD NAVIGATION SYSTEM (REAR CAMERA CIRCUIT) NCA WIRE ORG/ WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SOUND SYSTEM VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE

AIR BAG CONTROL MODULE BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CENTER COUPLING POINT IN INTERIOR CENTER SPEAKER COMPUTER DATA LINES SYSTEM DRIVER VOLUME CONTROL FRONT INFORMATION DISPLAY CONTROL HEAD GRN WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT MULTIMEDIA BUTTON MODULE MULTIMEDIA SYSTEM CONTROL HEAD NCA WIRE ORG/ WIRE ORG/BRN WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/GRY WIRE W/ STANDARD SOUND SYSTEM WHT WIRE WHT/BLU WIRE

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CENTER COUPLING POINT IN INTERIOR CENTER SPEAKER COMPUTER DATA LINES SYSTEM DATA BUS ON BOARD DIAGNOSTIC INTERFACE DRIVER VOLUME CONTROL FRONT INFORMATION DISPLAY CONTROL HEAD FUSE 10 FUSE 14 FUSE 5 FUSE PANEL C GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT BASS SPEAKER LEFT FRONT DOOR COUPLING POINT MOST DATA BUS CIRCUIT MULTIMEDIA BUTTON MODULE MULTIMEDIA SYSTEM CONTROL HEAD NAVIGATION SYSTEM (REAR CAMERA CIRCUIT) NCA WIRE ORG/ WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SOUND SYSTEM VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE

BLK WIRE BLU WIRE BLU/GRY WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CENTER COUPLING POINT IN INTERIOR CENTER SPEAKER COMPUTER DATA LINES SYSTEM DATA BUS ON BOARD DIAGNOSTIC INTERFACE DRIVER VOLUME CONTROL FRONT ROOF MODULE MICROPHONE UNIT GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT BASS SPEAKER LEFT FRONT DOOR COUPLING POINT LEFT FRONT MICROPHONE MOST DATA BUS CIRCUIT MULTIMEDIA BUTTON MODULE MULTIMEDIA SYSTEM CONTROL HEAD NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MICROPHONE SUBWOOFER VIO WIRE VIO/GRY WIRE W/ STANDARD SOUND SYSTEM WHT WIRE WHT/BLU WIRE