Audi S4 B8 facelift (2011-2015) sedan Wiring diagrams

ACCESS/START AUTHORIZATION ACCESS/START AUTHORIZATION BUTTON BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CONTROL MODULE (IN DRIVER'S FRONT DOOR) ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE (ON STEERING COLUMN) ENGINE HOOD CONTACT SWITCH GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HORNS SYSTEM INTERIOR MONITORING SWITCH, ALARM SWITCH DEACTIVATION SWITCH LEFT REAR EXTERIOR DOOR CONTROL MODULE ORG/BRN WIRE ORG/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT REAR EXTERIOR DOOR HANDLE TOUCH SENSOR SEDAN SWITCH VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO/BLU WIRE WAGON

8 SPEED A/T AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR BACKUP LAMP BACKUP LAMP BACKUP LAMP BLK WIRE BLK/WHT WIRE BRN WIRE COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM CVT DIRECT SHIFT GEARBOX (DSG) TRANSMISSION MECHATRONIC FUSE 8 FUSE CARRIER 2 GRN/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT TAILLAMP LEFT TAILLAMP 2 (W/O LED REAR LIGHTS) LEFT TAILLAMP (W/ LED REAR LIGHTS) ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE REAR LIGHTS) RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) RIGHT TAILLAMP RIGHT TAILLAMP 2 (W/O LED REAR LIGHTS) RIGHT TAILLAMP (W/ LED SEDAN SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT) TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (IN MECHATRONIC UNIT) TRANSMISSION PARK SELECTOR SWITCH W/ DIRECT SHIFT GEAR BOX W/ LED REAR LIGHTS W/O DIRECT SHIFT GEAR BOX W/O HIGH BEAM ASSIST WAGON YEL/RED WIRE

AMBIENT LIGHT 1 IN REAR LID BLK WIRE BLK/GRN WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM CONTACT SWITCH DRIVER'S VANITY DRIVER'S VANITY MIRROR LIGHT CONTACT SWITCH FRONT PASSENGER'S VANITY MIRROR FRONT PASSENGER'S VANITY MIRROR ILLUMINATION BULB (IF EQUIPPED) FUSE CARRIER 1 FUSE FUSE FUSE CARRIER 2 FUSE FUSE PANEL C (BEHIND LEFT END OF DASH) GLOVE COMPARTMENT LAMP SWITCH GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED LANE CHANGE ASSISTANCE CONTROL MODULE 2 (BEHIND LEFT SIDE OF REAR BUMPER) LANE CHANGE ASSISTANCE WARNING LAMP IN DRIVER EXTERIOR REARVIEW MIRROR LANE CHANGE ASSISTANCE WARNING LAMP IN FRONT PASSENGER EXTERIOR REARVIEW MIRROR LEFT FRONT FOOTWELL LIGHT ILLUMINATION (IF EQUIPPED) LEFT LUGGAGE COMPARTMENT LEFT REAR FOOTWELL LIGHT (IF EQUIPPED) LIGHT LUGGAGE COMPARTMENT LIGHT MIRROR ILLUMINATION BULB (IF EQUIPPED) NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE REAR LID LOCK BUTTON IN LUGGAGE COMPARTMENT RED WIRE RED/GRY WIRE RED/YEL WIRE RELAY/ FUSE PANEL F (BEHIND LEFT END OF DASH) RIGHT FRONT FOOTWELL LIGHT ILLUMINATION (IF EQUIPPED) RIGHT LUGGAGE COMPARTMENT RIGHT REAR FOOTWELL LIGHT (IF EQUIPPED) SEDAN VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE WAGON WHT WIRE YEL WIRE

16 7 18-PIN CONNECTOR 5 DOOR ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (WAGON: LEFT SIDE OF CARGO AREA) ANTENNA AMPLIFIER 4 (LEFT SIDE OF CARGO AREA) BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM GRN/VIO WIRE HOT AT ALL TIMES FUSE CARRIER 3 FUSE 4 HOT AT ALL TIMES FUSE CARRIER 5 FUSE 5 MOST DATA BUS CIRCUIT NCA WIRE RADIO RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR RIGHT REAR TREBLE SPEAKER MID-BASS SPEAKER SEDAN TV TUNER (IF EQUIPPED) (LEFT SIDE OF TRUNK) VIO WIRE WAGON WHT WIRE WHT/GRN WIRE WHT/RED WIRE

ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (WAGON: LEFT SIDE OF CARGO AREA) ANTENNA AMPLIFIER 4 (LEFT SIDE OF CARGO AREA) AUXILIARY HEATER ANTENNA (IF EQUIPPED) AUXILIARY HEATER RADIO RECEIVER (IF EQUIPPED) BLK WIRE BRN WIRE CD/DVD CHANGER CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA (IF EQUIPPED) ANTENNA AMPLIFIER 2 (RIGHT REAR OF ROOF) FUSE 1 FUSE CARRIER 2 FUSE PANEL D (BEHIND RIGHT END OF DASH) GPS ANTENNA (W/ NAVIGATION) GRN/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE CARRIER 3 FUSE 4 HOT AT ALL TIMES FUSE CARRIER 5 FUSE 5 INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NCA WIRE RADIO RADIO/TELEPHONE, NAVIGATION SYSTEM ANTENNA (CENTER REAR OF ROOF) RED/BLK WIRE RED/VIO WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) SATELLITE ANTENNA (IF EQUIPPED) SEDAN TELEPHONE ANTENNA (IF EQUIPPED) TELEPHONE BASEPLATE TV TUNER (IF EQUIPPED) (LEFT SIDE OF TRUNK) WAGON WHT/RED WIRE

16 7 18-PIN CONNECTOR 5 DOOR ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (WAGON: LEFT SIDE OF CARGO AREA) ANTENNA AMPLIFIER 4 (LEFT SIDE OF CARGO AREA) BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM GRN/VIO WIRE HOT AT ALL TIMES FUSE CARRIER 3 FUSE 4 HOT AT ALL TIMES FUSE CARRIER 5 FUSE 5 MOST DATA BUS CIRCUIT NCA WIRE RADIO RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR RIGHT REAR TREBLE SPEAKER MID-BASS SPEAKER SEDAN TV TUNER (IF EQUIPPED) (LEFT SIDE OF TRUNK) VIO WIRE WAGON WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE

18 PIN CONNECTOR A/C PRESSURE/ GARAGE DOOR TEMPERATURE OPENER SENSOR CONTROL MODULE ABS VEHICLE CONTROL ELECTRICAL MODULE SYSTEM CONTROL MODULE AUTOMATIC DAY/NIGHT INTERIOR MIRROR AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR BATTERY BLK RED/ WIRE BLK WIRE BLK/ GRN WIRE BLK/ WHT WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLU/RED WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE DATA BUS HIGH HEAT ON BOARD OUTPUT DIAGNOSTIC RELAY INTERFACE DATA BUS ON BOARD DIAGNOSTIC INTERFACE DATA LINK CONNECTOR (DLC) DIRECTIONAL STABILIZATION ASSISTANCE CONTROL MODULE DISTANCE REGULATION CONTROL MODULE (W/ ADAPTIVE CRUISE CONTROL) FROM AIR FUSE PANEL C QUALITY (DIAGRAM 4 OF 7) SENSOR (COMFORT) (NOT USED) FROM FUSE PANEL C (DIAGRAM 7 OF 7) FROM VOLTAGE STABILIZER (DIAGRAM 3 OF 7) FUSE FUSE 1 FUSE 1 FUSE 2 FUSE 10 FUSE 2 FUSE 12 FUSE 9 FUSE FUSE CARRIER 1 FUSE CARRIER 5 FUSE FUSE FUSE FUSE FUSE CARRIER 1 PANEL D (BEHIND RIGHT END OF DASH) FUSE 10 FUSE 12 FUSE 11 FUSE FUSE FUSE FUSE FUSE FUSE PANEL A (ON BATTERY, IN LUGGAGE COMPT) FUSE PANEL C (BEHIND GENERATOR, VOLTAGE REGULATOR GRN BLK/ WIRE GRN RED/ WIRE GRN WIRE GRN/BLK WIRE GRY/RED WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT END OF DASH) PANEL F (RIGHT SIDE OF LUGGAGE COMPT) REAR VIEW CAMERA SYSTEM CONTROL RADIO (PREMIUM MODULE MMI) REAR WINDOW DEFOGGER FUSE REAR WINDOW DEFOGGER RELAY RED WIRE RED/ WHT WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RELAY/ FUSE SEDAN SELECTOR LEVER CLUTCH SENSOR POSITION SYSTEM SENSOR CONTROL (M/T) MODULE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE TO FUSE 14 (DIAGRAM 4 OF 7) TO FUSE 2 (DIAGRAM 2 OF 7) TO FUSE PANEL D (DIAGRAM 2 OF 7) TO RELAY/FUSE PANEL F (DIAGRAM 3 OF 7) TO VOLTAGE STABILIZER (DIAGRAM 3 OF 7) TRANSMISSION PARK SELECTOR SWITCH, SHIFT LOCK SOLENOID TV TUNER TELEPHONE BASE PLATE VIO/BLU WIRE W/ NAVIGATION W/ START/STOP SYSTEM WAGON WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE

ANTENNA AMPLIFIER 3 (SEDAN) (LEFT SIDE OF TRUNK) BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CENTRAL LOCKING LOCK UNIT DRIVER'S DOOR CONTROL MODULE (IN DRIVER'S FRONT DOOR) FUSE 11 FUSE 8 FUSE CARRIER 2 FUSE PANEL C (BEHIND FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT END OF DASH) NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE SEDAN VIO/GRY WIRE VIO/RED WIRE VIO/YEL WIRE W/ MMI W/ SAFE FUNCTION W/O MMI WAGON YEL/GRN WIRE YEL/RED WIRE

16 7 18-PIN CONNECTOR 5 DOOR ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (WAGON: LEFT SIDE OF CARGO AREA) ANTENNA AMPLIFIER 4 (LEFT SIDE OF CARGO AREA) BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM GRN/VIO WIRE HOT AT ALL TIMES FUSE CARRIER 3 FUSE 4 HOT AT ALL TIMES FUSE CARRIER 5 FUSE 5 MOST DATA BUS CIRCUIT NCA WIRE RADIO RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR RIGHT REAR TREBLE SPEAKER MID-BASS SPEAKER SEDAN TV TUNER (IF EQUIPPED) (LEFT SIDE OF TRUNK) VIO WIRE WAGON WHT WIRE WHT/GRN WIRE WHT/RED WIRE

ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (WAGON: LEFT SIDE OF CARGO AREA) ANTENNA AMPLIFIER 4 (LEFT SIDE OF CARGO AREA) AUXILIARY HEATER ANTENNA (IF EQUIPPED) AUXILIARY HEATER RADIO RECEIVER (IF EQUIPPED) BLK WIRE BRN WIRE CD/DVD CHANGER CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA (IF EQUIPPED) ANTENNA AMPLIFIER 2 (RIGHT REAR OF ROOF) FUSE 1 FUSE CARRIER 2 FUSE PANEL D (BEHIND RIGHT END OF DASH) GPS ANTENNA (W/ NAVIGATION) GRN/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE CARRIER 3 FUSE 4 HOT AT ALL TIMES FUSE CARRIER 5 FUSE 5 INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NCA WIRE RADIO RADIO/TELEPHONE, NAVIGATION SYSTEM ANTENNA (CENTER REAR OF ROOF) RED/BLK WIRE RED/VIO WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) SATELLITE ANTENNA (IF EQUIPPED) SEDAN TELEPHONE ANTENNA (IF EQUIPPED) TELEPHONE BASEPLATE TV TUNER (IF EQUIPPED) (LEFT SIDE OF TRUNK) WAGON WHT/RED WIRE