Audi A4 B9 facelift (2019-2024) fuse panel 4 Wiring diagrams

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 EMERGENCY FLASHER BUTTON FUSE 12 FUSE 13 FUSE PANEL 4 FUSE PANEL B GRY WIRE HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL COUPLING POINT LEFT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE LEFT FRONT HEADLAMP LEFT FRONT SIDE MARKER LAMP BULB LEFT FRONT TURN SIGNAL BULB LEFT LED HEADLAMP POWER OUTPUT MODULE 1 LEFT LIGHT CONTROL MODULE LEFT TURN SIGNAL INDICATOR LAMP ORG/BRN WIRE RED WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT EMERGENCY FLASHER INDICATOR LAMP VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE W/ HID W/O HID W/ MATRIX BEAM W/O HID, MATRIX BEAM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE FUSE 1 FUSE 2 FUSE PANEL FUSE PANEL 4 FUSE PANEL B GRN/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED LEFT WINDSHIELD DEFOGGER RELAY NCA WIRE REAR OF ENGINE COMPT) RED/BLK WIRE RED/GRY WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RELAY & FUSE CARRIER 5 RIGHT WINDSHIELD DEFOGGER RELAY VIO/GRY WIRE WHT/BLU WIRE WHT/YEL WIRE WINDSHIELD DEFOGGER WINDSHIELD DEFOGGER RELAY YEL WIRE

BLK/YEL WIRE BRN WIRE BULB COMPUTER DATA LINES SYSTEM COUPLING POINT ON INSTRUMENT PANEL EMERGENCY FLASHER BUTTON FUSE 2 FUSE 7 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B GLOVE COMPARTMENT LAMP GLOVE COMPARTMENT LAMP SWITCH GLOVE COMPARTMENT WIRING HARNESS COUPLING POINT GRY/BLU WIRE HOT AT ALL TIMES ILLUMINATION INDICATOR INSTRUMENT CLUSTER OPERATION BUTTON LAMP LEFT INSTRUMENT PANEL VENT ILLUMINATION BULB LEFT VENT ILLUMINATION LAMP POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT INSTRUMENT PANEL VENT ILLUMINATION BULB RIGHT VENT ILLUMINATION LAMP SWITCH VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/WHT WIRE VIO/YEL WIRE YEL WIRE YEL/WHT WIRE

BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER ASSISTANCE SYSTEMS FRONT CAMERA FUSE 11 FUSE PANEL 4 FUSE PANEL B GRN WIRE GRY WIRE HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED ORG/BRN WIRE PNK WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 WINDOW DEFOGGER FRONT SENSOR SYSTEM

ANDROID OPERATING SYSTEM CONTROL MODULE ANTENNA ANTENNA AMPLIFIER ANTENNA AMPLIFIER 2 BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 14 FUSE 2 FUSE 5 FUSE 7 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE PNK WIRE RADIO ANTENNA 2 RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SOUND SYSTEMS USB USB CHARGING SOCKET 2 USB CONNECTION 1 USB DISTRIBUTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE

2.0L TURBO 3.0L TURBO ACTIVE STEERING CONTROL MODULE ADAPTIVE CRUISE CONTROL MODULE ADAPTIVE CRUISE CONTROL MODULE 2 BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR COMFORT SYSTEM CENTRAL CONTROL MODULE DRIVER ASSISTANCE SYSTEMS FRONT CAMERA DRIVETRAIN CONTROL MODULE FRESH AIR BLOWER CONTROL MODULE FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FROM RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 1 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B FUSE PANEL F GARAGE DOOR OPENER CONTROL HEAD GRN/RED WIRE LEFT FRONT HEADLAMP LEFT FRONT SEAT BELT LEFT FRONT SEAT COUPLING STATION LEFT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE LEFT WINDSHIELD DEFOGGER RELAY N/A REAR A/C DISPLAY CONTROL HEAD REAR LID CONTROL MODULE REAR WINDOW DEFOGGER RELAY RELAY & FUSE CARRIER 2 REAR WINDOW WIPER MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 (LEFT FRONT FOOTWELL) RELAY & FUSE CARRIER 2 RELAY & FUSE CARRIER 3 (REAR OF ENGINE COMPT) RELAY & FUSE CARRIER 5 RIGHT FRONT HEADLAMP RIGHT FRONT SEAT COUPLING STATION RIGHT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE RIGHT WINDSHIELD DEFOGGER RELAY STARTER RELAY 2 TO FUSE 5 (DIAGRAM 3 OF 6) TO FUSE PANEL C (DIAGRAM 1 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) TRANSMISSION CONTROL MODULE TRANSMISSION ELECTRIC PUMP 2 USB CHARGING SOCKET 2 W/ ADAPTIVE CRUISE CONTROL W/ LEVEL CONTROL SYSTEM W/O HID W/ MATRIX BEAM WAGON WAGON SEDAN WHT WIRE YEL/VIO WIRE

ANDROID OPERATING SYSTEM ANTENNA ANTENNA AMPLIFIER ANTENNA AMPLIFIER 2 BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 14 FUSE 2 FUSE 5 FUSE 7 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE PNK WIRE RADIO ANTENNA 2 REAR VIEW CAMERA CIRCUIT RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SOUND SYSTEMS USB USB CHARGING SOCKET 2 USB CONNECTION 1 USB DISTRIBUTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE

ANDROID OPERATING SYSTEM CONTROL MODULE ANTENNA ANTENNA AMPLIFIER ANTENNA AMPLIFIER 2 BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 14 FUSE 2 FUSE 5 FUSE 7 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE PNK WIRE RADIO ANTENNA 2 RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SOUND SYSTEMS USB USB CHARGING SOCKET 2 USB CONNECTION 1 USB DISTRIBUTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 16 FUSE PANEL 4 FUSE PANEL B GRY WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION LEFT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE MULTIMEDIA DISPLAY UNIT 3 MULTIMEDIA DISPLAY UNIT 3 BRACKET MULTIMEDIA DISPLAY UNIT 4 MULTIMEDIA DISPLAY UNIT 4 BRACKET NCA WIRE PNK WIRE RED WIRE RED/BLU WIRE RELAY & FUSE PANEL 1 RIGHT FRONT SEAT COUPLING STATION RIGHT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE VIO WIRE WHT WIRE YEL WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING, INSTRUMENT CLUSTER SYSTEMS ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS FUSE 13 FUSE 15 FUSE 2 FUSE 3 FUSE 6 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM NAVIGATION SYSTEM ORG/BRN WIRE ORG/GRY WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WARNING SYSTEMS WHT WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/VIO WIRE