Audi A4 B8 (2007-2012) computer data lines system Wiring diagrams

AMBIENT ILLUMINATION 1 AVANT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BRN WIRE COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DRIVER'S MAKE-UP MIRROR LIGHT CONTACT SWITCH DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) FRONT PASSENGER'S MAKE-UP MIRROR FUSE FUSE CARRIER 1 GLOVE COMPARTMENT LAMP SWITCH GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED ILLUMINATION (W/ ADDITIONAL LIGHTING EQUIPMENT) LEFT FRONT FOOTWELL LIGHT LEFT LUGGAGE COMPARTMENT LEFT MAKE-UP LEFT REAR FOOTWELL LIGHT LIGHT LIGHT CONTACT SWITCH LUGGAGE COMPARTMENT LIGHT MIRROR ILLUMINATION (W/ ADDITIONAL LIGHTING EQUIPMENT) ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE REAR LID LOCK BUTTON RED WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT FOOTWELL LIGHT RIGHT LUGGAGE COMPARTMENT RIGHT MAKE-UP MIRROR RIGHT REAR FOOTWELL LIGHT SEDAN VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE W/O LED W/ LED WHT WIRE YEL WIRE

AUTOMATIC DAY/ NIGHT INTERIOR MIRROR BLU WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISCONTINUED, PHASED IN MODIFICATION PHASED IN MODIFICATION DRIVER DOOR CONTROL MODULE (IN DRIVER FRONT DOOR) DRIVER'S DOOR CONTACT SWITCH COMPUTER DATA LINES SYSTEM DRIVER'S DOOR WARNING LIGHT DRIVER'S MAP/ READING LIGHT DRIVER'S READING LIGHT BUTTON FRONT INTERIOR LAMP ASSEMBLY FRONT INTERIOR LIGHT FRONT PASSENGER DOOR CONTROL MODULE (IN FRONT PASSENGER FRONT DOOR) FRONT PASSENGER'S DOOR CONTACT SWITCH FRONT PASSENGER'S DOOR WARNING LIGHT FRONT PASSENGER'S MAP/ READING LIGHT FRONT PASSENGER'S READING LIGHT BUTTON GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT ILLUMINATION CIRCUIT INTERIOR ILLUMINATION SWITCH LEFT FRONT ENTRY LIGHT LEFT REAR DOOR CONTACT SWITCH LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR DOOR WARNING LIGHT LEFT REAR ENTRY LIGHT LEFT REAR LEFT REAR INTERIOR READING LIGHT LIGHT SWITCH ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/YEL WIRE RIGHT FRONT ENTRY LIGHT RIGHT REAR DOOR CONTACT SWITCH RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR WARNING LIGHT RIGHT REAR ENTRY LIGHT VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

18-PIN CONNECTOR (NOT USED) ANTENNA AMPLIFIER 3 (WAGON) (LEFT SIDE OF CARGO AREA) BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FRONT INFORMATION DISPLAY CONTROL HEAD FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (BEHIND GLOVE BOX) FUSE FUSE CARRIER 2 GRN WIRE GRN/VIO WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES MULTIMEDIA CONTROL HEAD NCA WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH) POWER DISTRIBUTION SYSTEM RADIO, TELEPHONE, NAVIGATION SYSTEM ANTENNA (IF EQUIPPED) (CENTER REAR OF ROOF) RED WIRE RED/GRN WIRE SOUND SYSTEMS W/ NAVIGATION W/O NAVIGATION YEL WIRE

18-PIN CONNECTOR (NOT USED) BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FRONT INFORMATION DISPLAY CONTROL HEAD FRONT INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE (BEHIND GLOVE BOX) GRN WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES FUSE FUSE 5 CARRIER 3 LUGGAGE COMPARTMENT RELAY/FUSE CARRIER (RIGHT SIDE OF LUGGAGE COMPT) MULTIMEDIA CONTROL HEAD NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/RED WIRE ORG/VIO WIRE ORG/WHT WIRE POWER DISTRIBUTION SYSTEM REAR VIEW CAMERA SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/GRY WIRE RED/WHT WIRE SOUND SYSTEMS TV TUNER (IF EQUIPPED) (LEFT SIDE OF TRUNK) VIO WIRE W/ REAR VIEW CAMERA W/O REAR VIEW CAMERA WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) EMERGENCY FLASHER BUTTON EMERGENCY FLASHER INDICATOR LAMP EMERGENCY FLASHER BUTTON FOG LAMP BUTTON LIGHT SWITCH 4 3 1 6 2 FRONT PASSENGER AIR BAG DISABLED INDICATOR LAMP FUSE 10 FUSE 8 FUSE 14 FUSE 7 FUSE CARRIER 1 FUSE CARRIER 2 FUSE CARRIER 3 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HEADLAMP RIGHT LOW BEAM HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL ILLUMINATION DIMMER SWITCH LAMP LAMP RIGHT PARKING LEFT DAYTIME LEFT FRONT FOG LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN LEFT HEADLIGHT ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARKING MARKER LAMP ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH) REAR FOG LAMP BUTTON RED/VIO WIRE RED/YEL WIRE RIGHT DAYTIME RIGHT FRONT FOG LAMP RIGHT FRONT SIDE RIGHT HEADLIGHT ASSEMBLY RIGHT HIGH BEAM HEADLAMP RUNNING LIGHT SENSOR PACKAGE) SIGNAL LAMP SIGNAL LAMP RIGHT FRONT TURN SUPPLEMENTAL RESTRAINTS SYSTEM VALET PARKING INDICATOR LAMP VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

AIR BAG SPIRAL RETURN/ SLIP RING (IN STEERING COLUMN) BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE GRY WIRE GRY/YEL WIRE HORN RELAY (ON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE RELAY/FUSE CARRIER) HOT AT ALL TIMES FUSE FUSE PANEL FUSE 7 CARRIER (BEHIND LEFT END OF DASH) LOW TONE HORN HIGH TONE HORN NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE SIGNAL HORN ACTIVATION STEERING WHEEL CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE

ABS WARNING LAMP IND AIR BAG MALFUNCTION INDICATOR LAMP (MIL) ASR/ ESP CONTROL LAMP IND BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUEL LEVEL SENSOR 2 (IF EQUIPPED) FUEL LEVEL SENSOR, TRANSFER FUEL PUMP (FP) HOT AT ALL TIMES FUSE FUSE 4 CARRIER 2 ORG/BLU WIRE ORG/BRN WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH) RADIO FREQUENCY CONTROLLED CLOCK RADIO FREQUENCY CONTROLLED CLOCK RECEIVER RED WIRE RED/BRN WIRE RED/GRY WIRE SPEEDOMETER INSTRUMENT CLUSTER CONTROL MODULE TACHOMETER VIO/BLK WIRE VIO/RED WIRE YEL WIRE

12 V SOCKET (IF BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BRN WIRE CENTER INSTRUMENT PANEL VENT ILLUMI- NATION COMPUTER DATA LINES SYSTEM DISCONTINUED PHASED IN MODIFICATION DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) ELECTROMECHANICAL PARKING BRAKE BUTTON EQUIPPED) FOG LAMP BUTTON REAR FOG LAMP BUTTON INSTRUMENT PANEL ILLUMINATION DIMMER SWITCH FUSE FUSE CARRIER 1 FUSE CARRIER 2 GARAGE DOOR OPENER CONTROL MODULE (BEHIND CENTER OF FRONT GRILLE) GRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED LEFT INSTRUMENT PANEL VENT ILLUMI- NATION LEFT REAR DOOR OPENER ILLUMINATION LEFT REAR DOOR WARNING LIGHT LEFT REAR ENTRY LIGHT LEFT REAR INTERIOR LOCK SWITCH LEFT REAR WINDOW SWITCH LIGHT SWITCH ORG/BRN WIRE ORG/GRN WIRE PARKING AID BUTTON, ASR/ESP BUTTON, REAR WINDOW SHADE SWITCH PASSENGER'S SIDE FUSE PANEL REAR TEMPERATURE SELECTION POTENTIOMETER RED WIRE RIGHT INSTRUMENT PANEL VENT ILLUMINATION RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR OPENER ILLUMINATION RIGHT REAR INTERIOR LOCK SWITCH RIGHT REAR RIGHT REAR ENTRY LIGHT DOOR WARNING LIGHT RIGHT REAR WINDOW SWITCH 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

12 V CIGARETTE SOCKET 2 LIGHTER (IF EQUIPPED) ALARM SYSTEM OFF SWITCH BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CENTRAL LOCKING SAFE INDICATOR LAMP COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE (IN DRIVER FRONT DOOR) DRIVER'S DOOR OPENER ILLUMINATION DRIVER'S DOOR WARNING LIGHT DRIVER'S INTERIOR LOCKING SWITCH DRIVER'S SEAT MEMORY PROGRAM CONTROL HEAD (W/ MEMORY) FRONT INTERIOR LAMP ASSEMBLY FRONT PASSENGER DOOR CONTROL MODULE (IN FRONT PASSENGER FRONT DOOR) FRONT PASSENGER'S DOOR OPENER ILLUMINATION FRONT PASSENGER'S DOOR WARNING LIGHT FRONT PASSENGER'S INTERIOR LOCK GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HEATED SEAT REGULATING SWITCH LEFT FRONT ENTRY LIGHT LEFT REAR HEATED SEAT REGULATING SWITCH (IF EQUIPPED) LEFT REAR SEAT HEAD RESTRAINT ADJUSTMENT BUTTON MIRROR ADJUSTMENT SWITCH ORG/BRN WIRE ORG/GRN WIRE POWER WINDOW CONTROL HEAD REAR LID REMOTE UNLOCK SWITCH RED WIRE RED/YEL WIRE RIGHT FRONT ENTRY LIGHT SUNROOF REGULATOR (SEDAN) SWITCH TELEPHONE BASE PLATE (IF EQUIPPED) VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WINDOW REGULATOR SWITCH YEL WIRE

BACKREST BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT BREAKER 1 COMPUTER DATA LINES SYSTEM DRIVER POWER SEAT ADJUSTMENT DRIVER'S BACKREST ADJUSTMENT MOTOR/SENSOR (IN DRIVER FRONT SEAT BACK) DRIVER'S HEAD RESTRAINT HEIGHT ADJUSTMENT MOTOR/SENSOR DRIVER'S SEAT ADJUSTMENT CONTROL HEAD DRIVER'S SEAT FORE/AFT ADJUSTMENT MOTOR/SENSOR DRIVER'S SEAT INCLINATION ADJUSTMENT MOTOR/TILT ADJUSTMENT SENSOR FORE/AFT GRN WIRE GRN/BLK WIRE HEAD HEIGHT HOT AT ALL TIMES MEMORY SEAT/ STEERING COLUMN ADJUSTMENT CONTROL MODULE (UNDER DRIVER'S SEAT) ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RESTRAINT SEATS SYSTEM TILT WHT/GRN WIRE YEL WIRE YEL/GRN WIRE