Audi A4 B9 facelift (2019-2024) brn Wiring diagrams

ASR/ ESP BUTTON BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTACT SWITCH DRIVER DOOR LOCK UNIT DRIVING PROFILE SELECTION BUTTON FRONT DISPLAY OPEN/ CLOSE BUTTON FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER DOOR LOCK UNIT FRONT PASSENGER EXIT WARNING LAMP FUSE 11 FUSE PANEL C GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES ORG/BRN WIRE ORG/GRN WIRE PARALLEL PARKING ASSISTANCE BUTTON PARALLEL PARKING ASSISTANCE INDICATOR LAMP PARKING AID BUTTON PARKING AID INDICATOR LAMP PASSENGER SIDE DOOR AMBIENT LIGHTING LAMP PASSENGER SIDE DOOR SPEAKER TRIM LAMP PASSENGER SIDE ENTRY LAMP RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DOOR STORAGE COMPARTMENT ILLUMINATION LAMP RIGHT FRONT DOOR AMBIENT LIGHTING BULB 1 RIGHT FRONT DOOR CONTOUR ILLUMINATION LAMP START/ STOP MODE BUTTON START/ STOP MODE INDICATOR LAMP VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/RED WIRE VIO/YEL WIRE W/ AUXILIARY LAMPS WHT WIRE YEL/GRN WIRE

BLU/GRY WIRE BLU/VIO WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE (DRIVER FRONT DOOR) DRIVER EXIT WARNING LAMP DRIVER SIDE DOOR AMBIENT LIGHTING LAMP DRIVER SIDE DOOR SPEAKER TRIM LAMP DRIVER SIDE ENTRY LAMP DRIVER SIDE REAR ENTRY LAMP DRIVER SIDE SILL PANEL STRIP AMBIENT LIGHTING LAMP FUSE 15 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT DOOR STORAGE COMPARTMENT ILLUMINATION LAMP LEFT FRONT DOOR AMBIENT LIGHTING BULB 1 LEFT FRONT DOOR CONTOUR ILLUMINATION LAMP LEFT FRONT FOOTWELL LAMP ORG/BRN WIRE ORG/GRN WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT FOOTWELL LAMP VIO/RED WIRE VIO/YEL WIRE W/ AUXILIARY LAMPS YEL/GRN WIRE

AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR AUTOMATIC INTERIOR LIGHT SWITCH BUTTON BLU WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE CENTER REAR INTERIOR LAMP EMERGENCY CALL BUTTON (IF EQUIPPED) FRONT INTERIOR LAMP BUTTON FRONT PASSENGER VANITY MIRROR LAMP FRONT PASSENGER VANITY MIRROR LAMP CONTACT SWITCH FRONT ROOF MODULE FUSE 11 FUSE 14 FUSE 3 FUSE 5 FUSE 7 FUSE 8 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GARAGE DOOR OPENER CONTROL HEAD GARAGE DOOR OPENER CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT READING LAMP LEFT FRONT READING LAMP BUTTON LEFT REAR READING LAMP LEFT REAR READING LAMP SWITCH PASSENGER SIDE REAR DOOR AMBIENT LIGHTING LAMP PASSENGER SIDE REAR ENTRY LAMP PASSENGER SIDE REAR EXIT WARNING LAMP REAR READING LAMP FRONT BUTTON REAR ROOF FUNCTION BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT READING LAMP RIGHT FRONT READING LAMP BUTTON RIGHT REAR DOOR AMBIENT LIGHTING BULB 1 RIGHT REAR DOOR CONTOUR ILLUMINATION LAMP RIGHT REAR DOOR COUPLING POINT RIGHT REAR DOOR STORAGE COMPARTMENT ILLUMINATION LAMP RIGHT REAR READING LAMP RIGHT REAR READING LAMP SWITCH ROAD SIDE ASSISTANCE BUTTON ROOF ELECTRONICS CONTROL MODULE VIO/RED WIRE VIO/YEL WIRE W/ AUXILIARY LAMPS W/ PANORAMA SUNROOF WHT WIRE YEL 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

2.0L TURBO 3.0L TURBO AIR BAG CONTROL MODULE BATTERY BATTERY INTERRUPT IGNITER BATTERY JUMP START TERMINAL BATTERY MONITORING CONTROL MODULE BLK WIRE BLU WIRE BRN WIRE CENTER REAR OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM DRIVER VOLUME CONTROL DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE FROM BOTTOM COUPLING POINT ON LEFT A-PILLAR (DIAGRAM 4 OF 6) FRONT A/C DISPLAY CONTROL HEAD FRONT INFORMATION DISPLAY CONTROL HEAD FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL A GENERATOR, VOLTAGE REGULATOR GRY/RED WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCH MAIN FUSE CARRIER MOBILE DEVICE CHARGER 1 N/A POWER STEERING CONTROL MODULE RADIATOR FAN RADIATOR FAN FUSE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COUPLING POINT IN ENGINE/MOTOR COMPARTMENT STARTER STEERING COLUMN ELECTRONICS CONTROL MODULE SUPPRESSOR TELEPHONE BASEPLATE TO FUSE PANEL A (DIAGRAM 5 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 4 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 5 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) TO RELAY & FUSE CARRIER 5 (DIAGRAM 4 OF 6) USB DISTRIBUTOR VIO/WHT WIRE W/ FPK ACTIVE INFO DISPLAY W/ MULTI-FUNCTION STEERING WHEEL W/O FPK ACTIVE INFO DISPLAY W/O TRAILER HITCH WAGON WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE

2.0L TURBO 3.0L TURBO ABS CONTROL MODULE ABS CONTROL MODULE FUSE 1 ABS CONTROL MODULE FUSE 2 AIR BAG CONTROL MODULE ALARM HORN ANTI-THEFT ALARM SYSTEM SENSOR BLK WIRE BLK/GRN WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COUPLING POINT ON ROOF DATA BUS ON BOARD DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION DRIVER DOOR CONTROL MODULE DRIVER MULTI- CONTOUR SEAT CONTROL MODULE DRIVER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 DRIVER SEAT ADJUSTMENT CONTROL HEAD DRIVER SEAT BACKREST COUPLING POINT ELECTRO- MECHANICAL PARKING BRAKE BUTTON EMERGENCY CALL MODULE, COMMUNICATION UNIT CONTROL MODULE ENGINE COMPONENT POWER SUPPLY RELAY ENGINE/ MOTOR CONTROL MODULE FROM FUSE 11 (DIAGRAM 2 OF 6) FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FRONT PASSENGER DOOR CONTROL MODULE FRONT ROOF MODULE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B LEFT FRONT DOOR COUPLING POINT LEFT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH LEFT FRONT SEAT COUPLING STATION MEMORY SEAT/ STEERING COLUMN ADJUSTMENT CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY N/A RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT DOOR COUPLING POINT SELECTOR LEVER SUNROOF CONTROL MODULE TERMINAL 15 POWER SUPPLY RELAY TO FUSE 12 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 3 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 4 OF 6) USED) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE W/ INTERIOR MONITORING W/ MEMORY W/O MEMORY WAGON WHT WIRE WIPER MOTOR CONTROL MODULE

BATTERY JUMP START TERMINAL BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE CELLULAR TELEPHONE AMPLIFIER COMFORT SYSTEM CENTRAL CONTROL MODULE DIFFERENTIAL LOCK CONTROL MODULE FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FRONT PASSENGER MULTI-CONTOUR SEAT CONTROL MODULE FRONT PASSENGER SEAT BACKREST COUPLING POINT FUEL TANK COUPLING POINT FUEL TANK LEAK DETECTION CONTROL MODULE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 2-3 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 3 FUSE PANEL 5 FUSE PANEL A FUSE PANEL F GARAGE DOOR OPENER CONTROL MODULE GENERATOR, VOLTAGE REGULATOR LANE CHANGE ASSISTANCE CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE 2 LEFT COUPLING POINT IN LUGGAGE COMPART- MENT LEFT FRONT DOOR COUPLING POINT N/A NEAR FIELD COMMUNICATION CONTROL MODULE NOT USED PERIPHERAL CAMERA CONTROL MODULE RADIATOR FAN RADIATOR FAN FUSE REAR VIEW CAMERA SYSTEM CONTROL MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH RIGHT FRONT SEAT BELT RIGHT FRONT SEAT COUPLING STATION STARTER SUPPRESSOR TIRE PRESSURE MONITORING CONTROL MODULE TV TUNER W/ LOW FAN OUTPUT, INCREASED FAN OUTPUT, RADIATOR FAN W/ TWO RADIATOR FANS W/ REAR VIEW CAMERA W/ TRAILER HITCH, TWO RADIATOR FANS W/O REAR VIEW CAMERA W/O TRAILER HITCH W/O TWO RADIATOR FANS YEL/RED WIRE YEL/VIO WIRE

2.0L TURBO ACCESS/START AUTHORIZATION BUTTON AUTOMATIC TRANSMISSION CONTROL MODULE FUSE BRN WIRE BRN/RED WIRE CIGARETTE LIGHTER CIGARETTE LIGHTER ILLUMINATION BULB COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM CONTROL MODULE DIGITAL SOUND SYSTEM FUSE DUAL-CLUTCH TRANSMISSION MECHATRONIC FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FROM RELAY & FUSE CARRIER 2 (DIAGRAM 4 OF 6) FRONT PASSENGER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 FRONT PASSENGER SEAT ADJUSTMENT CONTROL HEAD GRN WIRE GRY/BLU WIRE GRY/YEL WIRE N/A ORG/BRN WIRE REAR WINDOW DEFOGGER FUSE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT SEAT COUPLING STATION SEDAN SOCKET ILLUMINATION BULB TO RELAY & FUSE CARRIER 2 (DIAGRAM 4 OF 6) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE W/ AMPLIFIER W/O MEMORY WAGON WHT/RED WIRE WHT/VIO WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE DRIVER EXTERIOR REAR VIEW MIRROR FRONT A/C DISPLAY CONTROL HEAD FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER EXTERIOR REAR VIEW MIRROR FUSE 11 FUSE 14 FUSE 5 FUSE 7 FUSE PANEL 1 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B FUSE PANEL F GRN WIRE GRN/VIO WIRE HEATER HOT AT ALL TIMES LEFT FRONT DOOR COUPLING POINT MIRRORS SYSTEM ORG/BRN WIRE ORG/GRN WIRE REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER FUSE REAR WINDOW DEFOGGER RELAY REAR WINDOW DEFOGGER SUPPRESSOR REAR WINDOW DEFOGGER SUPPRESSOR 2 RED/VIO WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT FRONT DOOR COUPLING POINT SEDAN SEDAN WAGON WAGON WHT WIRE WHT/YEL WIRE WINDSHIELD ANTENNA SUPPRESSION FILTER

AIR BAG CONTROL MODULE AIR BAG INDICATOR LAMP BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVER AIR BAG IGNITER DRIVER AIR BAG RELEASE VALVE IGNITER DRIVER KNEE AIR BAG IGNITER FRONT PASSENGER AIR BAG IGNITER 1 FRONT PASSENGER AIR BAG IGNITER 2 FRONT PASSENGER AIR BAG RELEASE VALVE IGNITER FRONT PASSENGER AIR BAG UNIT FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER SEAT BELT TENSIONER IGNITER 1 FUSE 9 FUSE PANEL C GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE NCA WIRE ORG/BRN WIRE PNK/WHT WIRE RED WIRE RED/YEL WIRE RIGHT FRONT SEAT BELT RIGHT FRONT SEAT BELT TENSIONER CONTROL MODULE SPIRAL SPRING STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) VIO WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE