Audi A4 B9 facelift (2019-2024) power distribution system 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

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

A/T ACTIVE STEERING CONTROL MODULE ALL WHEEL DRIVE CONTROL MODULE (LEFT REAR OF TRANSMISSION) BLK/VIO WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE DATA BUS ON BOARD DIAGNOSTIC INTERFACE (UNDER CENTER OF REAR SEATS) DIAGNOSTIC CONNECTION DUAL-CLUTCH TRANSMISSION MECHATRONIC EARLY PRODUCTION FUSE 1 FUSE 12 FUSE 2 FUSE 7 FUSE CARRIER 2 FUSE CARRIER 4 FUSE PANEL B GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED LATE PRODUCTION ORG/BRN WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER STEERING CONTROL MODULE RED WIRE RED/BLU WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT COUPLING POINT IN ENGINE/ MOTOR COMPARTMENT SELECTOR LEVER VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ ACTIVE STEERING W/ REAR FINAL DRIVE-SPORT DIFFERENTIAL YEL WIRE

BLK/VIO WIRE BLU WIRE BRN WIRE CENTER CONSOLE COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL MODULE DRIVING PROFILE SELECTION BUTTON DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 FUSE 11 FUSE 5 FUSE PANEL 1 FUSE PANEL C FUSE PANEL F GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT DAMPING ADJUSTMENT VALVE LEFT FRONT LEVEL CONTROL SYSTEM SENSOR LEFT REAR DAMPING ADJUSTMENT VALVE LEFT REAR LEVEL CONTROL SYSTEM SENSOR LEFT REAR SHOCK ABSORBER ASSEMBLY ORG/GRN WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT DAMPING ADJUSTMENT VALVE RIGHT FRONT LEVEL CONTROL SYSTEM SENSOR RIGHT REAR DAMPING ADJUSTMENT VALVE RIGHT REAR LEVEL CONTROL SYSTEM SENSOR RIGHT REAR SHOCK ABSORBER ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BRN WIRE

2.0L TURBO 3.0L TURBO ABS IND LAMP AIR BAG IND LAMP BLK WIRE BLU WIRE BRAKE SYSTEM IND LAMP BRN WIRE CENTER COUPLING POINT IN ENGINE/MOTOR COMPARTMENT COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND LAMP DISPLAY UNIT ELECTROMECHANICAL POWER STEERING IND LAMP ENGINE ELECTRONICS IND LAMP ENGINE/MOTOR CONTROL MODULE EXCEPT 3.0L TURBO FUEL GAUGE FUSE 11 FUSE 4 FUSE 9 FUSE PANEL C GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE (REAR OF INSTRUMENT CLUSTER) LANE CHANGE ASSISTANCE IND LAMP LEFT TURN SIGNAL IND LAMP LEVEL 3 OIL PRESSURE SWITCH OIL PRESSURE SWITCH ORG/ WIRE ORG/BRN WIRE PARKING BRAKE IND LAMP PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED/GRY WIRE RED/YEL WIRE REDUCED OIL PRESSURE SWITCH RIGHT EMERGENCY FLASHER IND LAMP SOUND SYSTEMS VIO WIRE WHT WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE

2.0L TURBO 3.0L TURBO ABS IND LAMP AIR BAG IND LAMP BRAKE SYSTEM IND LAMP BRN WIRE CENTER COUPLING POINT IN ENGINE/MOTOR COMPARTMENT COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND LAMP DISPLAY UNIT ELECTROMECHANICAL POWER STEERING IND LAMP ENGINE ELECTRONICS IND LAMP ENGINE/MOTOR CONTROL MODULE EXCEPT 3.0L TURBO FUEL GAUGE FUSE 11 FUSE 4 FUSE 9 FUSE PANEL C GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE (REAR OF INSTRUMENT CLUSTER) LANE CHANGE ASSISTANCE IND LAMP LEFT TURN SIGNAL IND LAMP LEVEL 3 OIL PRESSURE SWITCH OIL PRESSURE SWITCH ORG/BRN WIRE PARKING BRAKE IND LAMP PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED/GRY WIRE RED/YEL WIRE REDUCED OIL PRESSURE SWITCH RIGHT EMERGENCY FLASHER IND LAMP SOUND SYSTEMS VIO WIRE WHT WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE

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 PARKING AID SENSOR PARKING AID BUTTON PARKING AID INDICATOR LAMP POWER DISTRIBUTION SYSTEM RIGHT FRONT CENTER PARKING AID SENSOR RIGHT FRONT PARKING AID SENSOR VIO/BLU WIRE WHT WIRE WHT/GRY WIRE YEL/GRN 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

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT IN THE LEFT FRONT DOOR COUPLING POINT IN THE RIGHT FRONT DOOR FRONT PERIPHERAL CAMERA FUSE 13 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRY WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT DOOR COUPLING POINT LEFT PERIPHERAL CAMERA ORG/ WIRE ORG/BRN WIRE PERIPHERAL CAMERA CONTROL MODULE POWER DISTRIBUTION SYSTEM REAR PERIPHERAL CAMERA RED/GRY WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT DOOR COUPLING POINT RIGHT PERIPHERAL CAMERA

2.0L TURBO CYMC, 3.0L TURBO CWGD 2.0L TURBO HYBRID DMSA 2.0L TURBO HYBRID DMSA, DPAA 3.0L TURBO BATTERY BATTERY INTERRUPT IGNITER BATTERY MONITORING CONTROL MODULE BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CENTER REAR OF LUGGAGE COMPT) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM ENGINE/ MOTOR CONTROL MODULE FUSE 11 FUSE 3 FUSE 50 FUSE PANEL A FUSE PANEL C GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES MAIN FUSE CARRIER PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/GRY WIRE RED/YEL WIRE RIGHT COUPLING POINT IN ENGINE/MOTOR COMPARTMENT STARTER STARTER RELAY 1 STARTER RELAY 2 SUPPLEMENTAL RESTRAINTS SYSTEM VIO/WHT WIRE WHT/YEL WIRE