Audi S4 B9 facelift (2019-2024) fuse 4 Wiring diagrams

4-PIN CONNECTOR ACCUMULATOR SOLENOID AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 1 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 2 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 3 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 4 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 5 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 6 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 7 BLK/VIO WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT FUSE 12 FUSE 4 FUSE 6 FUSE PANEL 1 FUSE PANEL 2 FUSE PANEL B FUSE PANEL C FUSE PANEL F GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE LEFT MULTI-FUNCTION BUTTONS MULTI-FUNCTION STEERING WHEEL CONTROL MODULE NCA WIRE ORG/BRN WIRE PARKING LOCK SENSOR PARKING LOCK SOLENOID PNK WIRE RED WIRE RED/VIO WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT MULTI-FUNCTION BUTTONS SOLENOID VALVE 1 STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) TEMPERATURE SENSOR (IN CONTROL MODULE) TIPTRONIC DOWNSHIFT BUTTON TIPTRONIC UPSHIFT BUTTON TRANSMISSION ASSEMBLY TRANSMISSION CONTROL MODULE TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SPEED SENSOR TRANSMISSION OUTPUT SPEED SENSOR VIO WIRE W/ FPK ACTIVE INFO DISPLAY W/O FPK ACTIVE INFO DISPLAY

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

BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVER DOOR CONTROL MODULE DRIVER EXTERIOR REAR VIEW MIRROR FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER EXTERIOR REAR VIEW MIRROR FUSE 4 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE 2 LANE CHANGE ASSISTANCE INDICATOR LAMP LANE CHANGE ASSISTANCE WARNING LAMP LEFT COUPLING POINT IN LUGGAGE COMPARTMENT ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/WHT WIRE RELAY & FUSE CARRIER 2 VIO WIRE WHT WIRE

2.0L TURBO 3.0L TURBO AIR BAG CONTROL MODULE BATTERY BATTERY INTERRUPT IGNITER BATTERY JUMP START TERMINAL BATTERY MONITORING CONTROL MODULE BLK WIRE BLU WIRE BRN WIRE CENTER REAR OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM DRIVER VOLUME CONTROL DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE FROM BOTTOM COUPLING POINT ON LEFT A-PILLAR (DIAGRAM 4 OF 6) FRONT A/C DISPLAY CONTROL HEAD FRONT INFORMATION DISPLAY CONTROL HEAD FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL A GENERATOR, VOLTAGE REGULATOR GRY/RED WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCH MAIN FUSE CARRIER MOBILE DEVICE CHARGER 1 N/A POWER STEERING CONTROL MODULE RADIATOR FAN RADIATOR FAN FUSE RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COUPLING POINT IN ENGINE/MOTOR COMPARTMENT STARTER STEERING COLUMN ELECTRONICS CONTROL MODULE SUPPRESSOR TELEPHONE BASEPLATE TO FUSE PANEL A (DIAGRAM 5 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 4 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 5 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) TO RELAY & FUSE CARRIER 5 (DIAGRAM 4 OF 6) USB DISTRIBUTOR VIO/WHT WIRE W/ FPK ACTIVE INFO DISPLAY W/ MULTI-FUNCTION STEERING WHEEL W/O FPK ACTIVE INFO DISPLAY W/O TRAILER HITCH WAGON WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE

2.0L TURBO 3.0L TURBO ABS CONTROL MODULE ABS CONTROL MODULE FUSE 1 ABS CONTROL MODULE FUSE 2 AIR BAG CONTROL MODULE ALARM HORN ANTI-THEFT ALARM SYSTEM SENSOR BLK WIRE BLK/GRN WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COUPLING POINT ON ROOF DATA BUS ON BOARD DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION DRIVER DOOR CONTROL MODULE DRIVER MULTI- CONTOUR SEAT CONTROL MODULE DRIVER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 DRIVER SEAT ADJUSTMENT CONTROL HEAD DRIVER SEAT BACKREST COUPLING POINT ELECTRO- MECHANICAL PARKING BRAKE BUTTON EMERGENCY CALL MODULE, COMMUNICATION UNIT CONTROL MODULE ENGINE COMPONENT POWER SUPPLY RELAY ENGINE/ MOTOR CONTROL MODULE FROM FUSE 11 (DIAGRAM 2 OF 6) FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FRONT PASSENGER DOOR CONTROL MODULE FRONT ROOF MODULE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B LEFT FRONT DOOR COUPLING POINT LEFT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH LEFT FRONT SEAT COUPLING STATION MEMORY SEAT/ STEERING COLUMN ADJUSTMENT CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY N/A RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT DOOR COUPLING POINT SELECTOR LEVER SUNROOF CONTROL MODULE TERMINAL 15 POWER SUPPLY RELAY TO FUSE 12 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 3 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 4 OF 6) USED) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE W/ INTERIOR MONITORING W/ MEMORY W/O MEMORY WAGON WHT WIRE WIPER MOTOR CONTROL MODULE

ALL- WHEEL DRIVE CONTROL MODULE AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR COUPLING POINT ON ROOF DATA BUS ON BOARD DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION DRIVER SEAT BACKREST COUPLING POINT DRIVER SIDE REAR DOOR CONTROL MODULE FROM FUSE 8 (DIAGRAM 4 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FRONT PASSENGER SEAT BACKREST COUPLING POINT FUSE 1 FUSE 10 FUSE 11 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B LEFT FRONT SEAT BACKREST FAN 1 LEFT FRONT SEAT COUPLING STATION LEFT FRONT SEAT CUSHION FAN 1 LEFT REAR DOOR COUPLING POINT LEFT WINDSHIELD DEFOGGER RELAY PASSENGER SIDE REAR DOOR CONTROL MODULE REAR A/C DISPLAY CONTROL HEAD RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RELAY & FUSE CARRIER 3 (REAR OF ENGINE COMPT) RELAY & FUSE CARRIER 5 RIGHT FRONT SEAT BACKREST FAN 1 RIGHT FRONT SEAT COUPLING STATION RIGHT FRONT SEAT CUSHION FAN 1 RIGHT REAR DOOR COUPLING POINT RIGHT WINDSHIELD DEFOGGER RELAY STARTER RELAY 1 STARTER RELAY 2 STRUCTURE BORNE SOUND CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WINDSHIELD DEFOGGER RELAY YEL WIRE YEL/VIO WIRE

BATTERY JUMP START TERMINAL BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE CELLULAR TELEPHONE AMPLIFIER COMFORT SYSTEM CENTRAL CONTROL MODULE DIFFERENTIAL LOCK CONTROL MODULE FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FRONT PASSENGER MULTI-CONTOUR SEAT CONTROL MODULE FRONT PASSENGER SEAT BACKREST COUPLING POINT FUEL TANK COUPLING POINT FUEL TANK LEAK DETECTION CONTROL MODULE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 2-3 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 3 FUSE PANEL 5 FUSE PANEL A FUSE PANEL F GARAGE DOOR OPENER CONTROL MODULE GENERATOR, VOLTAGE REGULATOR LANE CHANGE ASSISTANCE CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE 2 LEFT COUPLING POINT IN LUGGAGE COMPART- MENT LEFT FRONT DOOR COUPLING POINT N/A NEAR FIELD COMMUNICATION CONTROL MODULE NOT USED PERIPHERAL CAMERA CONTROL MODULE RADIATOR FAN RADIATOR FAN FUSE REAR VIEW CAMERA SYSTEM CONTROL MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH RIGHT FRONT SEAT BELT RIGHT FRONT SEAT COUPLING STATION STARTER SUPPRESSOR TIRE PRESSURE MONITORING CONTROL MODULE TV TUNER W/ LOW FAN OUTPUT, INCREASED FAN OUTPUT, RADIATOR FAN W/ TWO RADIATOR FANS W/ REAR VIEW CAMERA W/ TRAILER HITCH, TWO RADIATOR FANS W/O REAR VIEW CAMERA W/O TRAILER HITCH W/O TWO RADIATOR FANS YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FRONT ROOF MODULE FRONT SUNROOF MOTOR POSITION SENSOR FRONT SUNROOF MOTOR POSITION SENSOR 2 FUSE 4 FUSE 8 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES ORG/ WIRE ORG/BRN WIRE REAR ROOF FUNCTION BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY & FUSE CARRIER 1 ROOF SHADE BUTTON 1 SHADE MOTOR SUNROOF BUTTON SUNROOF CONTROL MODULE SUNROOF MOTOR (CENTER FRONT OF ROOF) SUNROOF SHADE MOTOR SUNROOF SHADE MOTOR POSITION SENSOR SUNROOF SHADE MOTOR POSITION SENSOR 2 VIO WIRE VIO/RED WIRE WHT WIRE YEL WIRE

2.0L TURBO 2.0L TURBO CYMC, 2.0L TURBO HYBRID DPAA 2.0L TURBO HYBRID DMSA 3.0L TURBO 7 SPEED A/T 8 SPEED A/T BLK WIRE BLU/GRY WIRE BRAKE LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM D/S DUAL-CLUTCH TRANSMISSION MECHATRONIC ENGINE/MOTOR CONTROL MODULE FUSE 4 FUSE 5 FUSE PANEL 1 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE NCA WIRE ORG/BRN WIRE PARKING LOCK BUTTON PARKING LOCK INDICATOR LAMP PARKING LOCK SOLENOID PNK WIRE RED/VIO WIRE RELAY & FUSE CARRIER 1 SELECTOR LEVER SELECTOR LEVER POSITION SENSOR SELECTOR LEVER RELEASE BUTTON SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE SELECTOR LEVER TRANSMISSION RANGE DISPLAY SHIFT LOCK SOLENOID TRANSMISSION ASSEMBLY TRANSMISSION CONTROL MODULE TRANSVERSE SELECTOR LEVER LOCK MOTOR TRANSVERSE SELECTOR LEVER LOCK SENSOR VIO WIRE VIO/RED WIRE