Audi S4 B9 facelift (2019-2024) relay & fuse carrier 2 Wiring diagrams

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 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

BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUEL FILLER DOOR LOCK MOTOR FUSE 11 FUSE PANEL 1 FUSE PANEL F GRN WIRE GRN/GRY WIRE GRN/RED WIRE HOT AT ALL TIMES LEFT FRONT DOOR COUPLING POINT LEFT FRONT EXTERIOR DOOR HANDLE TOUCH SENSOR LEFT REAR DOOR COUPLING POINT LEFT REAR EXTERIOR DOOR HANDLE TOUCH SENSOR LEFT REAR WINDOW BREAKAGE SENSOR ORG/BRN WIRE REAR LID ALARM SWITCH REAR LID CENTRAL LOCKING SYSTEM MOTOR REAR LID HANDLE RELEASE BUTTON REAR LID LOCK CYLINDER/ANTI- THEFT ALARM/ CENTRAL LOCKING CONTACT SWITCH REAR WINDOW BREAKAGE SENSOR RED/BLU WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT EXTERIOR DOOR HANDLE TOUCH SENSOR RIGHT REAR DOOR COUPLING POINT RIGHT REAR EXTERIOR DOOR HANDLE TOUCH SENSOR RIGHT REAR WINDOW BREAKAGE SENSOR SEDAN VIO/BLU WIRE VIO/GRY WIRE WAGON WHT/RED WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE

BLK/GRN WIRE BLK/RED WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CURRENT CODING RESISTANCE 1 FOR RIGHT HEADLAMP ELECTRO- MECHANICAL PARKING BRAKE BUTTON FUSE 11 FUSE PANEL 1 FUSE PANEL F GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR LEVEL CONTROL SYSTEM SENSOR ORG/BRN WIRE PNK WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE RIGHT FRONT FOG LAMP BULB RIGHT FRONT HEADLAMP RIGHT FRONT SIDE MARKER LAMP BULB RIGHT FRONT TURN SIGNAL BULB RIGHT HEADLAMP TEMPERATURE SENSOR 1 RIGHT HID HEADLAMP BULB RIGHT LIGHT CONTROL MODULE RIGHT LOW BEAM HEADLAMP REFLECTOR MOTOR VIO/BLU WIRE WHT WIRE YEL WIRE YEL/VIO WIRE

BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRO- MECHANICAL PARKING BRAKE SWITCH FUSE 11 FUSE PANEL 1 FUSE PANEL F GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR LEVEL CONTROL SYSTEM SENSOR ORG/BRN WIRE PNK WIRE RED/BLK WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT HEADLAMP RIGHT FRONT TURN SIGNAL BULB RIGHT LED HEADLAMP POWER OUTPUT MODULE 1 VIO/GRN WIRE VIO/YEL WIRE W/ LENS W/O LENS YEL/RED WIRE

BLK/BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRO- MECHANICAL PARKING BRAKE BUTTON FUSE 11 FUSE PANEL 1 FUSE PANEL F GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR LEVEL CONTROL SYSTEM SENSOR ORG/ WIRE ORG/BRN WIRE PNK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE RIGHT FRONT HEADLAMP RIGHT FRONT TURN SIGNAL BULB RIGHT HEADLAMP AUXILIARY FUNCTIONS POWER OUTPUT MODULE RIGHT HEADLAMP BEAM ADJUSTMENT MOTOR RIGHT HEADLAMP CURRENT CODING RESISTANCE 1 RIGHT HEADLAMP CURRENT CODING RESISTANCE 2 RIGHT HEADLAMP CURRENT CODING RESISTANCE 3 RIGHT HEADLAMP CURRENT CODING RESISTANCE 4 RIGHT HEADLAMP FAN RIGHT HEADLAMP TEMPERATURE SENSOR 1 RIGHT HEADLAMP TEMPERATURE SENSOR 2 RIGHT HEADLAMP TEMPERATURE SENSOR 3 RIGHT HEADLAMP TEMPERATURE SENSOR 4 RIGHT HEADLAMP TEMPERATURE SENSOR 5 RIGHT HIGH BEAM HEADLAMP BULB RIGHT LED HEADLAMP POWER OUTPUT MODULE 1 RIGHT LIGHT CONTROL MODULE RIGHT LOW BEAM HEADLAMP BULB RIGHT MATRIX HEADLAMP POWER OUTPUT MODULE RIGHT STATIONARY CORNERING LAMP VIO/GRN WIRE VIO/YEL WIRE WHT WIRE YEL/RED 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 WIRE BLU WIRE BRN WIRE DRIVER SEAT BACKREST COUPLING POINT DRIVER SEAT LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTOR DRIVER SEAT LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT BACKREST COUPLING POINT FRONT PASSENGER SEAT LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTOR FRONT PASSENGER SEAT LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTOR FUSE 3 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B FUSE PANEL F GRN WIRE HOT AT ALL TIMES LEFT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH LEFT FRONT SEAT COUPLING STATION RED WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH RIGHT FRONT SEAT COUPLING STATION WHT WIRE

BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CODING WIRE COMPUTER DATA LINES SYSTEM EARLY PRODUCTION 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 BOLSTER/ BACKREST INFLATION ADJUSTMENT VALVE BLOCK 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 LATE PRODUCTION RED/BLK WIRE RED/WHT WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT SEAT COUPLING STATION VIO/WHT 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

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