Audi A4 B9 facelift (2019-2024) red/grn Wiring diagrams

ASR/ESP BUTTON BLK WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 FUSE 3 FUSE 6 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT ABS WHEEL SPEED SENSOR ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT ABS WHEEL SPEED SENSOR RIGHT REAR ABS WHEEL SPEED SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT INSTRUMENT CLUSTER CONTROL MODULE FUSE 3 FUSE PANEL 3 FUSE PANEL B GRN WIRE HOT AT ALL TIMES LEFT FRONT BRAKE PAD WEAR SENSOR ORG/BRN WIRE RED WIRE RED/GRN WIRE RELAY & FUSE CARRIER 1 RIGHT REAR BRAKE PAD WEAR SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 12 FUSE 3 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRY WIRE HOT AT ALL TIMES HUMIDITY SENSOR LEFT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE LEFT FRONT HEADLAMP LEFT FRONT TURN SIGNAL BULB LEFT HEADLAMP AUXILIARY FUNCTIONS POWER OUTPUT MODULE LEFT LED HEADLAMP POWER OUTPUT MODULE 1 LEFT LIGHT CONTROL MODULE LEFT MATRIX HEADLAMP POWER OUTPUT MODULE LEFT STATIONARY CORNERING LAMP ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE 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

BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE DRIVER SEAT BACKREST COUPLING POINT FUSE 1 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B GRN WIRE GRN/BRN WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED LEFT FRONT SEAT BACKREST FAN 1 LEFT FRONT SEAT COUPLING STATION LEFT FRONT SEAT CUSHION FAN 1 LEFT FRONT SEAT HEATED BACKREST LEFT FRONT SEAT HEATING ELEMENT, LEFT FRONT SEAT TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 VIO/WHT WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER SPEAKER 2 COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM FUSE FRONT INFORMATION DISPLAY CONTROL HEAD FRONT ROOF MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 INTERIOR MICROPHONE MICROPHONE UNIT IN FRONT ROOF MODULE LEFT EFFECTS SPEAKER LEFT FRONT DOOR COUPLING POINT LEFT FRONT MIDRANGE SPEAKER LEFT FRONT MIDRANGE SPEAKER 2 LEFT FRONT TREBLE SPEAKER MOST DATA BUS CIRCUIT N/A NAVIGATION SYSTEM (EMERGENCY CALL CIRCUIT) ORG/ WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT EFFECTS SPEAKER RIGHT FRONT MIDRANGE SPEAKER 2 SOUND SYSTEMS VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) GRN WIRE GRN/BLK WIRE LEFT FRONT BASS SPEAKER LEFT FRONT DOOR COUPLING POINT LEFT FRONT TREBLE SPEAKER 2 LEFT REAR BASS SPEAKER LEFT REAR DOOR COUPLING POINT LEFT REAR TREBLE SPEAKER PNK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT TREBLE SPEAKER +2 RIGHT REAR BASS SPEAKER RIGHT REAR DOOR COUPLING POINT RIGHT REAR TREBLE SPEAKER SEDAN SUBWOOFER WAGON YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CENTER SPEAKER COMPUTER DATA LINES SYSTEM FRONT INFORMATION DISPLAY CONTROL HEAD GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT BASS SPEAKER LEFT FRONT DOOR COUPLING POINT LEFT FRONT TREBLE SPEAKER LEFT REAR BASS SPEAKER LEFT REAR DOOR COUPLING POINT LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NAVIGATION SYSTEM (EMERGENCY CALL CIRCUIT) ORG/ WIRE ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SOUND SYSTEMS SUBWOOFER VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

2.0L TURBO DBPA 3.0L TURBO BLK WIRE BLU WIRE BLU/GRN WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DRIVER AIR BAG IGNITER (IN STEERING WHEEL) DRIVER AIR BAG RELEASE VALVE IGNITER ENGINE/ MOTOR CONTROL MODULE FUSE 12 FUSE 16 FUSE PANEL C GRN WIRE HEATED STEERING WHEEL HORN SIGNAL ACTIVATION HOT AT ALL TIMES NCA WIRE PNK WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE SPIRAL SPRING STEERING ANGLE SENSOR STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) TURN SIGNAL SWITCH VIO WIRE VIO/YEL WIRE W/ CRUISE CONTROL W/ HEATED STEERING WHEEL WHT WIRE WINDSHIELD WIPER INTERMITTENT MODE SWITCH WINDSHIELD WIPER SWITCH YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS FUSE 1 FUSE 10 FUSE 5 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES NAVIGATION SYSTEM ORG/BRN WIRE 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 SEATS SYSTEM SOUND SYSTEMS VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/BLU WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT 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