Audi A4 B9 facelift (2019-2024) vio/wht Wiring diagrams

AIR DISTRIBUTION DOOR MOTOR BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF DEFROSTER DOOR MOTOR DISPLAY UNIT DRIVER SIDE SEAT VENTILATION SWITCH EVAPORATOR VENT TEMPERATURE SENSOR FRESH AIR DOOR MOTOR FRONT A/C DISPLAY CONTROL HEAD FRONT PASSENGER SIDE SEAT VENTILATION SWITCH 2 FUSE 12 FUSE 6 FUSE PANEL 2 FUSE PANEL B FUSE PANEL C GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HUMIDITY SENSOR INSTRUMENT CLUSTER CONTROL MODULE LEFT FOOTWELL VENT TEMPERATURE SENSOR LEFT SEAT HEATING BUTTON ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RECIRCULATION DOOR MOTOR RED WIRE RED/BRN WIRE RELAY & FUSE CARRIER 1 RIGHT FOOTWELL VENT TEMPERATURE SENSOR RIGHT SEAT HEATING BUTTON TEMPERATURE CONTROL DOOR MOTOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

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

AFTER-RUN COOLANT PUMP BLK/GRN WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM COOLANT SHUT-OFF VALVE 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 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 VIO/WHT WIRE W/ LOW FAN OUTPUT, INCREASED FAN OUTPUT, RADIATOR FAN W/O TRAILER HITCH W/O TWO RADIATOR FANS WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BLK/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF DEFROSTER DOOR MOTOR DRIVER SIDE SEAT VENTILATION SWITCH FRESH AIR DOOR MOTOR FRONT A/C DISPLAY CONTROL HEAD FRONT PASSENGER SIDE SEAT VENTILATION SWITCH 2 FUSE 12 FUSE 6 FUSE PANEL 2 FUSE PANEL B FUSE PANEL C GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HUMIDITY SENSOR LEFT SEAT HEATING BUTTON LEFT SIDE VENT MOTOR LEFT TEMPERATURE CONTROL DOOR MOTOR ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/WHT WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR REAR AIR DISTRIBUTION DOOR MOTOR REAR TEMPERATURE CONTROL DOOR MOTOR RECIRCULATION DOOR MOTOR RED WIRE RED/BRN WIRE RELAY & FUSE CARRIER 1 RIGHT SEAT HEATING BUTTON RIGHT SIDE VENT MOTOR RIGHT TEMPERATURE CONTROL DOOR MOTOR VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN 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/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/GRN WIRE COMPUTER DATA LINES SYSTEM COOLANT RECIRCULATION PUMP COOLANT SHUT-OFF VALVE 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 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 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 YEL WIRE YEL/RED WIRE YEL/VIO 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

BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER MULTI- CONTOUR SEAT CONTROL MODULE DRIVER MULTI-CONTOUR SEAT COMPRESSOR DRIVER SEAT BACKREST COUPLING POINT DRIVER SEAT SWITCH MODULE DRIVER SIDE MASSAGE FUNCTION BUTTON FUSE 3 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION RED/BLK WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 VIO/WHT WIRE YEL/BLK WIRE YEL/WHT WIRE

BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FRONT PASSENGER MASSAGE FUNCTION BUTTON FRONT PASSENGER MULTI-CONTOUR SEAT COMPRESSOR FRONT PASSENGER MULTI-CONTOUR SEAT CONTROL MODULE FRONT PASSENGER SEAT BACKREST COUPLING POINT FRONT PASSENGER SEAT SWITCH MODULE FUSE 3 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES RED/BLK WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT SEAT COUPLING STATION VIO/WHT WIRE YEL/WHT WIRE