Audi A4 B8 facelift (2011-2015) (left side of center tunnel) Wiring diagrams

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

BLK WIRE BLU WIRE BLU/BRN WIRE BRN WIRE CENTER INSTRUMENT PANEL VENT ILLUMINATION (IF EQUIPPED) COMPUTER DATA LINES SYSTEM ELECTROMECHANICAL PARKING BRAKE BUTTON (IF EQUIPPED) EMERGENCY FLASHER BUTTON EMERGENCY FLASHER INDICATOR LAMP EQUIPPED) FOG LAMP BUTTON FRONT PASSENGER AIR BAG DISABLED INDICATOR LAMP FUSE FUSE CARRIER 1 FUSE CARRIER 2 FUSE PANEL C (BEHIND LEFT END OF DASH) GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE CARRIER 3 FUSE 11 HOT AT ALL TIMES FUSE PANEL D (BEHIND RIGHT END OF DASH) FUSE HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT PANEL, SWITCH ILLUMINATION DIMMER SWITCH LEFT INSTRUMENT PANEL VENT ILLUMINATION (IF EQUIPPED) LEFT REAR DOOR OPENER ILLUMINATION LEFT REAR DOOR WARNING LIGHT LEFT REAR ENTRY LIGHT LEFT REAR INTERIOR LOCK SWITCH (IF EQUIPPED) LEFT REAR POWER WINDOW SWITCH LIGHT SWITCH ORG/BRN WIRE ORG/GRN WIRE PARKING AID BUTTON, ASR/ESP BUTTON, REAR WINDOW SHADE SWITCH REAR FOG LAMP BUTTON REAR TEMPERATURE SELECTION POTENTIOMETER RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) RIGHT INSTRUMENT PANEL VENT ILLUMINATION (IF EQUIPPED) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR OPENER ILLUMINATION RIGHT REAR INTERIOR LOCK SWITCH (IF EQUIPPED) RIGHT REAR RIGHT REAR ENTRY LIGHT DOOR WARNING LIGHT RIGHT REAR WINDOW SWITCH SOCKET (IF VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE VIO/BLU WIRE VIO/GRY WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT WIRE YEL WIRE

18 PIN CONNECTOR BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BLUETOOTH ANTENNA (IF EQUIPPED) BRN WIRE COMPUTER DATA LINES SYSTEM FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (BEHIND GLOVE BOX) FUSE 4 FUSE CARRIER 2 FUSE 3 FUSE FUSE 12 CARRIER 3 FUSE FUSE 5 CARRIER 5 FUSE PANEL D (BEHIND RIGHT END OF DASH) GRN WIRE GRN/VIO WIRE GRY/BLU WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT MICROPHONE MICROPHONE UNIT (IN FRONT ROOF MODULE) MMI BASIC MMI HIGH MOST DATA BUS CIRCUIT MULTIMEDIA CONTROL HEAD NCA WIRE ORG/ WIRE REAR VIEW CAMERA SYSTEM CONTROL MODULE (IF EQUIPPED) (RIGHT SIDE OF TRUNK) RED WIRE RED YEL/ WIRE RED/GRN WIRE RED/WHT WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) RIGHT FRONT MICROPHONE TELEPHONE BASEPLATE (W/ CENTER ARMREST, W/O SPEAKER) TELEPHONE BASEPLATE (W/O CENTER ARMREST, W/ SPEAKER) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO RED/ WIRE VIO/YEL WIRE W/ CENTER ARMREST, W/O SPEAKER W/ MMI HIGH W/ MMI BASIC W/O CENTER ARMREST, W/ SPEAKER WHT/BLU WIRE YEL WIRE YEL/RED WIRE

ANTENNA AMPLIFIER 2 (IF EQUIPPED) (RIGHT REAR OF ROOF) AUXILIARY HEATER ANTENNA (IF EQUIPPED) AUXILIARY HEATER RADIO RECEIVER (IF EQUIPPED) BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE CD/DVD CHANGER COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA FUSE 1 FUSE CARRIER 2 FUSE PANEL D (BEHIND RIGHT END OF DASH) GPS ANTENNA GRN/VIO WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MID-BASS SPEAKER LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NCA WIRE RADIO/TELEPHONE, NAVIGATION SYSTEM ANTENNA (CENTER REAR OF ROOF) RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE SATELLITE ANTENNA (IF EQUIPPED) TELEPHONE ANTENNA (IF EQUIPPED) TELEPHONE BASEPLATE (IF EQUIPPED)

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

AUXILIARY HEATER ANTENNA (IF EQUIPPED) AUXILIARY HEATER RADIO RECEIVER (IF EQUIPPED) BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE CD/DVD CHANGER CENTER MID- TREBLE SPEAKER COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA ANTENNA AMPLIFIER 2 (IF EQUIPPED) (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 INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MID-BASS SPEAKER LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NCA WIRE RADIO/TELEPHONE, NAVIGATION SYSTEM ANTENNA (CENTER REAR OF ROOF) RED/BLK WIRE RED/BLU WIRE SATELLITE ANTENNA (IF EQUIPPED) TELEPHONE ANTENNA (IF EQUIPPED) TELEPHONE BASEPLATE (IF EQUIPPED) WHT/YEL WIRE

BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CARGO AREA) COMPUTER DATA LINES SYSTEM FRONT PARKING AID WARNING BUZZER (UNDER CENTER CONSOLE) FUSE CARRIER 3 FUSE FUSE PANEL C (BEHIND LEFT END OF DASH) GRY/WHT WIRE HOT AT ALL TIMES INDICATOR LEFT FRONT CENTER PARKING AID SENSOR (IN RADIATOR GRILLE) LEFT FRONT PARKING AID SENSOR (IN FRONT BUMPER) LEFT REAR CENTER PARKING AID SENSOR (ON REAR BUMPER) LEFT REAR PARKING AID SENSOR (ON REAR BUMPER) ORG/BLK WIRE ORG/BRN WIRE PARKING AID BUTTON PARKING AID SWITCH REAR PARKING AID WARNING BUZZER (LEFT SIDE OF RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT CENTER PARKING AID SENSOR RIGHT FRONT PARKING AID SENSOR (FRONT BUMPER) RIGHT REAR CENTER PARKING AID SENSOR (ON REAR BUMPER) RIGHT REAR PARKING AID SENSOR (ON REAR BUMPER) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) W/ NAVIGATION W/O NAVIGATION YEL/RED WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (WAGON: LEFT SIDE OF CARGO AREA) BLK WIRE BLK/RED WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERNAL AUDIO SOURCE CONNECTION FUSE 1 FUSE 3 FUSE CARRIER 2 FUSE PANEL D (BEHIND RIGHT END OF DASH) GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/VIO WIRE RADIO RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SATELLITE ANTENNA TELEPHONE TRANSCEIVER (UNDER FRONT PASSENGER'S SEAT) W/ AUX-IN CONNECTION W/O AUX-IN CONNECTION WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

5 DOOR BLK WIRE BLK/RED WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CD/DVD CHANGER COMPUTER DATA LINES SYSTEM FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (BEHIND GLOVE BOX) FUSE 1 FUSE CARRIER 2 FUSE PANEL D (BEHIND RIGHT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MID-BASS SPEAKER LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NCA WIRE PNK WIRE RADIO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MID-BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR MID- BASS SPEAKER RIGHT REAR TREBLE SPEAKER VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

ANTENNA AMPLIFIER 2 (IF EQUIPPED) (RIGHT REAR OF ROOF) AUXILIARY HEATER ANTENNA (IF EQUIPPED) AUXILIARY HEATER RADIO RECEIVER (IF EQUIPPED) BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE CD/DVD CHANGER COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA FUSE 1 FUSE CARRIER 2 FUSE PANEL D (BEHIND RIGHT END OF DASH) GPS ANTENNA GRN/VIO WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT MID-BASS SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR MID-BASS SPEAKER LEFT REAR TREBLE SPEAKER MOST DATA BUS CIRCUIT NCA WIRE RADIO/TELEPHONE, NAVIGATION SYSTEM ANTENNA (CENTER REAR OF ROOF) RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE SATELLITE ANTENNA (IF EQUIPPED) TELEPHONE ANTENNA (IF EQUIPPED) TELEPHONE BASEPLATE (IF EQUIPPED)