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

ACTIVE STEERING CONTROL MODULE ACTIVE STEERING MOTOR ACTIVE STEERING MOTOR ROTOR POSITION SENSOR ACTIVE STEERING SAFETY LOCK ACTUATOR BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE PANEL 5 FUSE PANEL B GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES NCA WIRE PNK WIRE PNK/WHT WIRE RED WIRE RELAY & FUSE CARRIER 1 SUPPLEMENTAL RESTRAINTS SYSTEM WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

AIR QUALITY SENSOR BLK/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT EVAPORATOR VENT TEMPERATURE SENSOR FRESH AIR BLOWER FRESH AIR BLOWER CONTROL MODULE FUSE 1 FUSE 8 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B GRN/YEL WIRE GRY WIRE HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED HUMIDITY SENSOR IN FRESH AIR INTAKE DUCT INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL VENT MOTOR LEFT FOOTWELL VENT TEMPERATURE SENSOR LEFT FRONT UPPER BODY VENT TEMPERATURE SENSOR ORG/BRN WIRE RED/BLU WIRE RELAY & FUSE CARRIER 1 RIGHT FOOTWELL VENT TEMPERATURE SENSOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE YEL 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

BLK WIRE BLK/VIO WIRE BLU WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM CONTROL MODULE EMERGENCY CALL MODULE, COMMUNICATION UNIT CONTROL MODULE FRONT ROOF MODULE MICROPHONE UNIT FUSE 9 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT MICROPHONE N/A ORG/BRN WIRE PNK WIRE RED/BLU WIRE RELAY & FUSE PANEL 1 RIGHT FRONT MICROPHONE VIO WIRE VIO/GRY WIRE YEL WIRE

AIR BAG CONTROL MODULE BLK WIRE BLU/VIO WIRE BLUETOOTH ANTENNA BOTTOM COUPLING POINT ON RIGHT A-PILLAR BRN WIRE CENTER COUPLING POINT IN INTERIOR COMPUTER DATA LINES SYSTEM EMERGENCY CALL MODULE ANTENNA EMERGENCY CALL MODULE ANTENNA 2 EMERGENCY CALL MODULE ANTENNA 3 EMERGENCY CALL MODULE SPEAKER EMERGENCY CALL MODULE, COMMUNICATION UNIT CONTROL MODULE GPS ANTENNA GRN WIRE GRY/WHT WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 NCA WIRE PNK WIRE ROOF ANTENNA VIO/GRY WIRE WIRELESS DATA TRANSFER ANTENNA WIRELESS DATA TRANSFER ANTENNA 2 YEL 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 BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE SEAT VENTILATION SWITCH FRONT A/C DISPLAY CONTROL HEAD FRONT PASSENGER SEAT BACKREST COUPLING POINT FRONT PASSENGER SIDE SEAT VENTILATION SWITCH 2 GRN WIRE GRN/BRN WIRE LEFT SEAT HEATING BUTTON ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT SEAT BACKREST FAN 1 RIGHT FRONT SEAT COUPLING STATION RIGHT FRONT SEAT CUSHION FAN 1 RIGHT FRONT SEAT HEATED BACKREST RIGHT FRONT SEAT HEATING ELEMENT, RIGHT FRONT SEAT TEMPERATURE SENSOR RIGHT SEAT HEATING BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL 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 BRN WIRE BRN/WHT WIRE COUPLING POINT ON INSTRUMENT PANEL COUPLING POINT ON LEFT FRONT BUMPER DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 EMERGENCY FLASHER BUTTON FUSE 11 FUSE PANEL C GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT CENTER PARKING AID SENSOR LEFT FRONT PARALLEL PARKING ASSISTANCE SENSOR LEFT FRONT PARKING AID SENSOR PARALLEL PARKING ASSISTANCE BUTTON PARALLEL PARKING ASSISTANCE INDICATOR LAMP POWER DISTRIBUTION SYSTEM RIGHT FRONT CENTER PARKING AID SENSOR RIGHT FRONT PARALLEL PARKING ASSISTANCE SENSOR RIGHT FRONT PARKING AID SENSOR VIO/BLU WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER BACKREST ADJUSTMENT MOTOR DRIVER BACKREST ADJUSTMENT SWITCH DRIVER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 DRIVER SEAT ADJUSTMENT CONTROL HEAD DRIVER SEAT ANGLE ADJUSTMENT MOTOR DRIVER SEAT ANGLE ADJUSTMENT SWITCH DRIVER SEAT BACKREST COUPLING POINT DRIVER SEAT FORWARD/BACK ADJUSTMENT MOTOR DRIVER SEAT FORWARD/BACK ADJUSTMENT SWITCH DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT HEIGHT ADJUSTMENT SWITCH FRONT PASSENGER BACKREST ADJUSTMENT MOTOR FRONT PASSENGER BACKREST ADJUSTMENT SWITCH FRONT PASSENGER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 FRONT PASSENGER SEAT ADJUSTMENT CONTROL HEAD FRONT PASSENGER SEAT ANGLE ADJUSTMENT MOTOR FRONT PASSENGER SEAT ANGLE ADJUSTMENT SWITCH FRONT PASSENGER SEAT BACKREST COUPLING POINT FRONT PASSENGER SEAT FORWARD/BACK ADJUSTMENT MOTOR FRONT PASSENGER SEAT FORWARD/BACK ADJUSTMENT SWITCH FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT SWITCH GRY WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION RED WIRE RED/BLK WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT FRONT SEAT COUPLING STATION VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE