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

ALL WHEEL DRIVE CLUTCH VALVE ALL WHEEL DRIVE CLUTCH VALVE 2 ALL WHEEL DRIVE PUMP BLK WIRE BLK/VIO WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK CONTROL MODULE FUSE 10 FUSE PANEL 5 FUSE PANEL F GRN/WHT WIRE GRY/WHT WIRE HOT AT ALL TIMES OIL PRESSURE/ TEMPERATURE SENSOR OIL PRESSURE/ TEMPERATURE SENSOR 2 PNK/WHT WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 SUPPLEMENTAL RESTRAINTS SYSTEM VIO/RED WIRE WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/RED 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 WIRE BLK/GRN WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT IN LEFT REAR SEAT DRIVER SEAT BACKREST COUPLING POINT FRONT A/C DISPLAY CONTROL HEAD FUSE 1 FUSE 6 FUSE 8 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL B FUSE PANEL C FUSE PANEL F GRN WIRE GRN/BRN WIRE GRN/RED WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION LEFT FRONT SEAT HEATED BACKREST LEFT FRONT SEAT HEATING ELEMENT, LEFT FRONT SEAT TEMPERATURE SENSOR LEFT REAR BACKREST HEATING ELEMENT LEFT REAR BENCH SEAT HEATING ELEMENT, LEFT REAR HEATED SEAT TEMPERATURE SENSOR LEFT REAR SEAT COUPLING STATION LEFT SEAT HEATING BUTTON ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT SEAT HEATING BUTTON WHT/BRN WIRE WHT/YEL 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

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

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

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

ACCESS/START AUTHORIZATION BUTTON BLK WIRE BRN WIRE BRN/RED WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM D/S DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 FUSE 11 FUSE 5 FUSE PANEL 1 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B FUSE PANEL F GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 1 (LEFT FRONT FOOTWELL) RELAY & FUSE CARRIER 2 SELECTOR LEVER SELECTOR LEVER TRANSMISSION RANGE DISPLAY START/ STOP MODE BUTTON START/ STOP MODE INDICATOR LAMP TERMINAL 15 POWER SUPPLY RELAY VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE WHT WIRE WHT/RED WIRE YEL/GRN WIRE