Audi A4 B9 facelift (2019-2024) relay & fuse carrier 2 Wiring diagrams

ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DEFOGGER, DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ENGINE CONTROLS SYSTEM FUSE 11 FUSE 14 FUSE 9 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LEFT REAR WINDOW BREAKAGE SENSOR ORG/BRN WIRE POWER DISTRIBUTION SYSTEM REAR WINDOW BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT REAR WINDOW BREAKAGE SENSOR STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WAGON WHT WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER DOOR CONTROL MODULE DRIVER DOOR EXTERIOR REAR VIEW MIRROR FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER EXTERIOR REAR VIEW MIRROR FUSE 11 FUSE 14 FUSE 9 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL F GRY WIRE HOT AT ALL TIMES ORG/BRN WIRE ORG/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE RIGHT FRONT HEADLAMP RIGHT FRONT SIDE MARKER LAMP BULB RIGHT FRONT TURN SIGNAL BULB RIGHT LED HEADLAMP POWER OUTPUT MODULE 1 RIGHT LIGHT CONTROL MODULE SYSTEM TURN SIGNAL BULB VIO/BLU WIRE W/ HID W/O HID, MATRIX BEAM WHT WIRE YEL WIRE YEL/RED WIRE YEL/VIO 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

ALL- WHEEL DRIVE CONTROL MODULE AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR COUPLING POINT ON ROOF DATA BUS ON BOARD DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION DRIVER SEAT BACKREST COUPLING POINT DRIVER SIDE REAR DOOR CONTROL MODULE FROM FUSE 8 (DIAGRAM 4 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FRONT PASSENGER SEAT BACKREST COUPLING POINT FUSE 1 FUSE 10 FUSE 11 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B LEFT FRONT SEAT BACKREST FAN 1 LEFT FRONT SEAT COUPLING STATION LEFT FRONT SEAT CUSHION FAN 1 LEFT REAR DOOR COUPLING POINT LEFT WINDSHIELD DEFOGGER RELAY PASSENGER SIDE REAR DOOR CONTROL MODULE REAR A/C DISPLAY CONTROL HEAD RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RELAY & FUSE CARRIER 3 (REAR OF ENGINE COMPT) RELAY & FUSE CARRIER 5 RIGHT FRONT SEAT BACKREST FAN 1 RIGHT FRONT SEAT COUPLING STATION RIGHT FRONT SEAT CUSHION FAN 1 RIGHT REAR DOOR COUPLING POINT RIGHT WINDSHIELD DEFOGGER RELAY STARTER RELAY 1 STARTER RELAY 2 STRUCTURE BORNE SOUND CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WINDSHIELD DEFOGGER RELAY YEL WIRE YEL/VIO 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

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 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 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

ABS CONTROL MODULE ACTIVE STEERING CONTROL MODULE ALL- WHEEL DRIVE CONTROL MODULE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/WHT WIRE DIFFERENTIAL LOCK CONTROL MODULE DRIVER SIDE REAR SEAT BELT TENSIONER IGNITER FRONT PASSENGER SEAT HEATING ELEMENT FUSE 10 FUSE 16 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES NCA WIRE PASSENGER OCCUPANT DETECTION SYSTEM CONTROL MODULE PASSENGER SIDE REAR THORAX AIR BAG CRASH SENSOR RED WIRE RED/VIO WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT SEAT COUPLING STATION SEATS SYSTEM VIO WIRE VIO/WHT WIRE WHT WIRE YEL/GRY WIRE