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

A/C CLUTCH (IF EQUIPPED) A/C COMPRESSOR REGULATOR VALVE AIR QUALITY SENSOR AUTOMATIC DIMMING BLK/GRN WIRE BLU/WHT WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF ENGINE COOLANT LEVEL SENSOR FRESH AIR BLOWER FRESH AIR BLOWER CONTROL MODULE FUSE 1 FUSE 10 FUSE 8 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B GRN WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/RED WIRE HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED HUMIDITY SENSOR IN FRESH AIR INTAKE DUCT INTERIOR LIGHT RECOGNITION SENSOR ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR REAR VIEW MIRROR) RED/BLU WIRE RED/GRY WIRE RELAY & FUSE CARRIER 1 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/RED WIRE VIO/WHT WIRE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WHT WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE

A/C CLUTCH (IF EQUIPPED) A/C COMPRESSOR REGULATOR VALVE AUTOMATIC DIMMING BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF ENGINE COOLANT LEVEL SENSOR FUSE 1 FUSE 10 FUSE 8 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B FUSE PANEL F GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INTERIOR LEFT REAR BENCH SEAT HEATING ELEMENT, LEFT REAR HEATED SEAT TEMPERATURE SENSOR LEFT REAR FOOTWELL TEMPERATURE SENSOR LEFT REAR SEAT COUPLING STATION LEFT REAR SEAT HEATING BUTTON LIGHT RECOGNITION SENSOR ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR REAR A/C DISPLAY CONTROL HEAD (IF EQUIPPED) REAR UPPER BODY VENT TEMPERATURE SENSOR REAR VIEW MIRROR) RED/GRY WIRE RED/VIO WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT FRONT UPPER BODY VENT TEMPERATURE SENSOR RIGHT REAR BENCH SEAT HEATING ELEMENT/ RIGHT REAR HEATED SEAT TEMPERATURE SENSOR RIGHT REAR SEAT COUPLING STATION RIGHT REAR SEAT HEATING BUTTON SEATS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/RED WIRE VIO/WHT WIRE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE

A/T AFTER-RUN COOLANT PUMP BLK/GRN WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM COOLANT RECIRCULATION PUMP COOLANT SHUT-OFF VALVE ENGINE COOLANT LEVEL SENSOR ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET ENGINE/MOTOR CONTROL MODULE FUSE 13 FUSE 14 FUSE 2 FUSE 2-3 FUSE 4 FUSE 8 FUSE PANEL 1 FUSE PANEL A FUSE PANEL B GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED LEFT COUPLING POINT IN ENGINE/MOTOR COMPARTMENT ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR PNK/WHT WIRE RADIATOR FAN RADIATOR FAN 2 RADIATOR FAN CONTROL MODULE RADIATOR FAN CONTROL MODULE 2 RADIATOR FAN FUSE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 RIGHT RADIATOR FAN SUPPRESSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/WHT WIRE W/ LOW FAN OUTPUT W/ LOW FAN OUTPUT, INCREASED FAN OUTPUT, RADIATOR FAN W/O TRAILER HITCH W/O TWO RADIATOR FANS WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

2.0L TURBO DBPA ACCELERATOR PEDAL MODULE ACCELERATOR PEDAL POSITION SENSOR ACCELERATOR PEDAL POSITION SENSOR 2 ADAPTIVE CRUISE CONTROL MODULE ADAPTIVE CRUISE CONTROL MODULE 2 BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRAKE LAMP SWITCH BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND CRUISE CONTROL SWITCH DISPLAY UNIT DUAL-CLUTCH TRANSMISSION MECHATRONIC (7 SPEED A/T) ENGINE SPEED SENSOR ENGINE/MOTOR CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EPC THROTTLE DRIVE EPC THROTTLE DRIVE ANGLE SENSOR 1 EPC THROTTLE DRIVE ANGLE SENSOR 2 FUSE 12 FUSE 14 FUSE 5 FUSE 9 FUSE PANEL 1 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE ORG/BRN WIRE PNK WIRE RED/VIO WIRE RELAY & FUSE CARRIER 1 STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) THROTTLE VALVE CONTROL MODULE (THROTTLE BODY) TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (8 SPEED A/T) (TRANSMISSION ASSEMBLY) TRANSMISSION INPUT SPEED SENSOR 1 TRANSMISSION INPUT SPEED SENSOR 2 VIO WIRE VIO/GRN WIRE VIO/RED WIRE YEL/BLU WIRE

BLU WIRE BLU/VIO WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/BLU WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COOLANT LEVEL SENSOR FUEL DELIVERY UNIT FUEL LEVEL SENSOR FUEL LEVEL SENSOR 2 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE INSTRUMENT CLUSTER OPERATION BUTTON LIGHT SWITCH ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE WINDSHIELD PROJECTION HEAD-UP DISPLAY BUTTON WINDSHIELD WASHER FLUID LEVEL SENSOR YEL WIRE

BLU WIRE BLU/VIO WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/BLU WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COOLANT LEVEL SENSOR FUEL DELIVERY UNIT FUEL LEVEL SENSOR FUEL LEVEL SENSOR 2 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE INSTRUMENT CLUSTER OPERATION BUTTON LIGHT SWITCH ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE WINDSHIELD PROJECTION HEAD-UP DISPLAY BUTTON WINDSHIELD WASHER FLUID LEVEL SENSOR YEL WIRE

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON RIGHT A-PILLAR BRN WIRE BRN/BLU WIRE CENTER SPEAKER COMPUTER DATA LINES SYSTEM DRIVER VOLUME CONTROL GRN/BRN WIRE GRY/YEL WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 NCA WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER ROOF ANTENNA SATELLITE TUNER ANTENNA W/ SATELLITE RADIO WHT/BRN 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