Audi A4 B9 facelift (2019-2024) vehicle electrical system control module Wiring diagrams

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

AIR BAG CONTROL MODULE BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE SYSTEM IND LAMP BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTACT SWITCH DRIVER DOOR CONTROL MODULE DRIVER DOOR LOCK UNIT DRIVER SEAT BELT SWITCH FRONT PASSENGER DOOR CONTACT SWITCH FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER DOOR LOCK UNIT FRONT PASSENGER SEAT BELT SWITCH FUSE 9 FUSE PANEL C GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT CLUSTER SYSTEM LEFT FRONT SEAT COUPLING STATION ORG/BRN WIRE ORG/GRN WIRE RED/YEL WIRE RIGHT FRONT SEAT COUPLING STATION SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO 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/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/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT IN RIGHT REAR SEAT FRONT PASSENGER SEAT BACKREST COUPLING POINT GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE LEFT REAR 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 COUPLING STATION RIGHT FRONT SEAT HEATED BACKREST RIGHT FRONT SEAT HEATING ELEMENT, RIGHT FRONT SEAT TEMPERATURE SENSOR RIGHT REAR BACKREST HEATING ELEMENT RIGHT REAR BENCH SEAT HEATING ELEMENT/ RIGHT REAR HEATED SEAT TEMPERATURE SENSOR RIGHT REAR SEAT COUPLING STATION RIGHT REAR SEAT HEATING BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/WHT WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE

4-PIN CONNECTOR BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 12 FUSE PANEL C GRN WIRE HIGH TONE HORN HOT AT ALL TIMES LOW TONE HORN MULTI-FUNCTION STEERING WHEEL CONTROL MODULE ORG/BRN WIRE PNK WIRE RED WIRE RED/VIO WIRE SIGNAL HORN ACTIVATION SPIRAL SPRING STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) STEERING WHEEL TOUCH RECOGNITION CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE W/ STEERING WHEEL TOUCH RECOGNITION CONTROL MODULE

ANDROID OPERATING SYSTEM ANTENNA ANTENNA AMPLIFIER ANTENNA AMPLIFIER 2 BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 14 FUSE 2 FUSE 5 FUSE 7 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE PNK WIRE RADIO ANTENNA 2 REAR VIEW CAMERA CIRCUIT RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SOUND SYSTEMS USB USB CHARGING SOCKET 2 USB CONNECTION 1 USB DISTRIBUTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE

ANDROID OPERATING SYSTEM CONTROL MODULE ANTENNA ANTENNA AMPLIFIER ANTENNA AMPLIFIER 2 BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 14 FUSE 2 FUSE 5 FUSE 7 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE PNK WIRE RADIO ANTENNA 2 RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SOUND SYSTEMS USB USB CHARGING SOCKET 2 USB CONNECTION 1 USB DISTRIBUTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE

BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FRONT PARKING AID WARNING BUZZER FUSE 2 FUSE PANEL 4 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED LEFT COUPLING POINT IN LUGGAGE COMPARTMENT LEFT REAR CENTER PARKING AID SENSOR LEFT REAR PARKING AID SENSOR ORG/BRN WIRE POWER DISTRIBUTION SYSTEM REAR PARKING AID WARNING BUZZER RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT REAR CENTER PARKING AID SENSOR RIGHT REAR PARKING AID SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/BLU WIRE WHT WIRE WHT/GRY WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FRONT PARKING AID WARNING BUZZER FUSE 2 FUSE PANEL 4 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED LEFT COUPLING POINT IN LUGGAGE COMPARTMENT LEFT REAR CENTER PARKING AID SENSOR LEFT REAR PARALLEL PARKING ASSISTANCE SENSOR LEFT REAR PARKING AID SENSOR ORG/BRN WIRE POWER DISTRIBUTION SYSTEM REAR PARKING AID WARNING BUZZER RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT REAR CENTER PARKING AID SENSOR RIGHT REAR PARALLEL PARKING ASSISTANCE SENSOR RIGHT REAR PARKING AID SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/BLU WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE