Audi S4 B9 (2016-2019) (below driver's seat) 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 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

2.0L TURBO 3.0L TURBO ABS CONTROL MODULE BLK WIRE BRN WIRE CENTER CONSOLE DATA BUS ON BOARD DIAGNOSTIC INTERFACE (UNDER CENTER OF REAR SEATS) DIFFERENTIAL LOCK CONTROL MODULE DRIVER ASSISTANCE SYSTEMS FRONT CAMERA DRIVETRAIN CONTROL MODULE ENGINE/MOTOR CONTROL MODULE FRONT A/C DISPLAY CONTROL HEAD GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE LEFT FRONT HEADLAMP ORG/BRN WIRE PNK WIRE PNK/WHT WIRE RED WIRE VIO WIRE VIO/WHT WIRE VIO/YEL WIRE

12 V SOCKET 4, 12 V SOCKET 5, TV TUNER BREAKAGE SENSOR (WAGON), LEFT LUGGAGE COMPARTMENT BRN WIRE BRN/WHT WIRE CONTROL MODULE, LANE CHANGE ASSISTANCE CONTROL MODULE 2 DIGITAL SOUND SYSTEM CONTROL MODULE HIGH-MOUNTED BRAKE LAMP LAMP (WAGON), LANE CHANGE ASSISTANCE LEFT FRONT SEAT BELT REAR WINDOW DEFOGGER SUPPRESSOR 2 REAR WINDOW DEFOGGER, REAR WINDOW DEFOGGER SUPPRESSOR 2 RELAY & FUSE PANEL 2, LEFT REAR WINDOW W/ AUXILIARY LAMPS

BLK WIRE BRN WIRE BRN/BLK WIRE DIFFERENTIAL LOCK CONTROL MODULE DUAL-CLUTCH FRONT A/C DISPLAY CONTROL HEAD, FRONT INFORMATION DISPLAY CONTROL HEAD, FUSE PANEL A GRY WIRE IGNITION COIL 1 W/ POWER OUTPUT STAGE IGNITION COIL 2 W/ POWER OUTPUT STAGE IGNITION COIL 3 W/ POWER OUTPUT STAGE IGNITION COIL 4 W/ POWER OUTPUT STAGE IGNITION COIL 6 IGNITION COIL 5 W/ POWER W/ POWER OUTPUT STAGE OUTPUT STAGE INFORMATION ELECTRONICS CONTROL MODULE 1 NCA WIRE PASSENGER OCCUPANT DETECTION SYSTEM CONTROL MODULE POWER STEERING CONTROL MODULE TRANSMISSION CONTROL MODULE, ABS CONTROL MODULE TRANSMISSION MECHATRONIC, WINDSHIELD DEFOGGER

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/WHT WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVER SIDE REAR CENTRAL LOCKING LOCK UNIT DRIVER SIDE REAR CENTRAL LOCKING SYSTEM MOTOR DRIVER SIDE REAR CHILD SAFETY LOCK MOTOR DRIVER SIDE REAR DOOR CENTRAL LOCKING SAFE MOTOR DRIVER SIDE REAR DOOR CONTACT SWITCH DRIVER SIDE REAR DOOR CONTROL MODULE DRIVER SIDE REAR INTERIOR LOCKING BUTTON GRY/VIO WIRE INSTRUMENT CLUSTER CONTROL MODULE ORG/BRN WIRE RED/BLU WIRE RED/GRN WIRE VIO WIRE VIO/BLU WIRE VIO/RED WIRE VIO/YEL WIRE W/ CHILD SAFETY LOCK W/O CHILD SAFETY LOCK YEL/BLU 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/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 ORG/BRN WIRE REAR LID ALARM SWITCH REAR LID CENTRAL LOCKING SYSTEM MOTOR REAR LID HANDLE RELEASE BUTTON REAR LID LOCK/ALARM/ CENTRAL LOCKING SWITCH 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 SEDAN VIO/GRY WIRE WAGON WHT/RED WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE

BLK WIRE BLK/WHT WIRE BLU 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 DRIVER SEAT LUMBAR SUPPORT DRIVER SEAT LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTOR DRIVER SEAT LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT SWITCH MODULE FRONT PASSENGER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION RED WIRE RED/BLK WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 VIO WIRE W/ LUMBAR SUPPORT W/ LUMBAR SUPPORT W/O LUMBAR SUPPORT WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE