Audi A4 B7 (2004-2009) computer data lines system Wiring diagrams

45 42 2.0L 3.2L BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP CONTROL MODULE (BEHIND RIGHT QUARTERPANEL) CONVERTIBLE TOP FRAME POSITION SENSOR (AT RIGHT CONVERTIBLE TOP MAIN MOUNT) CONVERTIBLE TOP LOCK SWITCHES, LOCKING MOTOR (CENTER FRONT OF CONVERTIBLE TOP) CONVERTIBLE TOP OPERATION SWITCH DEFOGGER SYSTEM ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPARTMENT, IN PLENUM CHAMBER) FUSE FUSE HOLDER GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/C CONTROL HEAD AIR CONDITIONING SYSTEM AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S BACKREST HEATING ELEMENT DRIVER'S SEAT HEATER FRONT PASSENGER'S BACKREST HEATING ELEMENT FRONT PASSENGER'S SEAT HEATER FUSE 44 FUSE HOLDER GRN WIRE HEATED SEAT TEMP SENSOR HEATED STEERING WHEEL (IF EQUIPPED) HOT AT ALL TIMES NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/WHT WIRE SEAT HEATER SIDE BOLSTER HEATER SIDE BOLSTER HEATER 2 STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE STEERING WHEEL CONTROL UNIT WHT WIRE YEL WIRE YEL/BLU WIRE

BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DE- FOG DOOR LOCKS SYSTEM DOOR LOCKS, INTERIOR LIGHTS, MEMORY, POWER WINDOWS, ANTI-THEFT SYSTEMS DRIVER'S INTERIOR LOCKING SWITCH DRIVER'S SIDE OUTSIDE FOLDING MIRROR EXCEPT CONVERTIBLE FOLD- AWAY FUSE 22 FUSE HOLDER HOT AT ALL TIMES MIRROR ADJUSTMENT SWITCH MIRROR FOLD AWAY SWITCH MIRROR SELECTOR SWITCH NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE OUTSIDE FOLDING MIRROR POSITION RED/GRY WIRE RED/YEL WIRE

BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DE- FOG DE- FOG DEFOGGER SYSTEM DOOR LOCKS, INTERIOR LIGHTS, MEMORY, POWER WINDOWS, ANTI-THEFT SYSTEMS DRIVER'S INTERIOR LOCKING SWITCH DRIVER'S SIDE DOOR CONTROL MODULE EXCEPT CONVERTIBLE FUSE 22 FUSE HOLDER HOT AT ALL TIMES MIRROR ADJUSTMENT SWITCH MIRROR SELECTOR SWITCH ORG/BRN WIRE ORG/GRN WIRE PASSENGER SIDE MIRROR DRIVER SIDE MIRROR RED WIRE RED/GRN WIRE RED/YEL WIRE WHT WIRE

BACKREST ADJUST BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S ENTRY ASSISTANCE BUTTON DRIVER'S HEAD RESTRAINT LOCK CONTACT SWITCH DRIVER'S POWER SEAT ADJUSTMENT CIRCUIT BREAKER 2 FUSE 45 DRIVER'S POWER SEAT SWITCH DRIVER'S SEAT FORE/AFT MOTOR/ SENSOR DRIVER'S SEAT HEAD RESTRAINT MOTOR/ SENSOR DRIVER'S SEAT HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT INCLINATION ADJUSTMENT MOTOR DRIVER'S SEAT SEATBACK ADJUSTMENT MOTOR DRIVER'S SEATBACK LATCH SWITCH FORE/AFT ADJUST GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE HEADREST ADJUST HEIGHT ADJUST HOT AT ALL TIMES INCLINATION ADJUST LEFT ENTRY ASSISTANCE CONTROL MODULE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

BACKREST ADJUST BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FORE/AFT ADJUST FRONT PASSENGER'S BACKREST ADJUSTMENT MOTOR FRONT PASSENGER'S ENTRY ASSISTANCE BUTTON FRONT PASSENGER'S SEAT ADJUSTMENT CIRCUIT BREAKER 1 (FUSE 46) FRONT PASSENGER'S SEAT FORE/AFT MOTOR/ SENSOR FRONT PASSENGER'S SEAT HEAD RESTRAINT LOCK CONTACT SWITCH FRONT PASSENGER'S SEAT HEAD RESTRAINT MOTOR/ SENSOR FRONT PASSENGER'S SEAT INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER'S SEATBACK LATCH SWITCH GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE HEADREST ADJUST HEIGHT ADJUST HOT AT ALL TIMES INCLINATION ADJUST ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S POWER SEAT SWITCH PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT ENTRY ASSISTANCE CONTROL MODULE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

3 1 2 VR 58 31 6 2 RIGHT WINDOW MOTOR BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM DOOR LOCKS, MIRRORS, MEMORY, INTERIOR LIGHTS SYSTEMS FUSE 22 FUSE HOLDER GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEMS INTERIOR LIGHTS,, DOOR LOCKS SYSTEMS LEFT FRONT WINDOW REGULATOR SWITCH LEFT REAR WINDOW REGULATOR MOTOR LEFT REAR WINDOW REGULATOR SWITCH LEFT WINDOW MOTOR MASTER POWER WINDOW SWITCH ORG/BRN WIRE ORG/GRN WIRE PASSENGER DOOR WINDOW REGULATOR SWITCH PASSENGER'S SIDE DOOR CONTROL MODULE POWER WINDOW FUSE FUSE 37 RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT WINDOW REGULATOR SWITCH RIGHT REAR WINDOW REGULATOR MOTOR RIGHT REAR WINDOW REGULATOR SWITCH WINDOW REGULATOR CENTRAL SWITCH WINDOW REGULATOR FUSE 2 (FUSE 280) YEL WIRE YEL/BLK WIRE

3 1 2 HL 58 31 3 1 2 HR 58 31 3 1 2 VR 58 31 6 2 3 RIGHT WINDOW MOTOR BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM FUSE 23 GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER FUSE 22 INTERIOR LIGHTS SYSTEMS INTERIOR LIGHTS,, DOOR LOCKS SYSTEMS LEFT FRONT WINDOW REGULATOR SWITCH LEFT REAR DOOR CONTROL MODULE (INTEGRATED IN LEFT REAR WINDOW REGULATOR MOTOR) LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LEFT WINDOW MOTOR MASTER POWER WINDOW SWITCH ORG/BRN WIRE ORG/GRN WIRE PASSENGER DOOR WINDOW REGULATOR SWITCH PASSENGER'S SIDE DOOR CONTROL MODULE POWER WINDOW FUSE FUSE 37 REAR WINDOW SAFETY REGULATOR SWITCH RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT LEFT REAR WINDOW WINDOW REGULATOR REGULATOR SWITCH SWITCH RIGHT REAR DOOR CONTROL MODULE RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW REGULATOR SWITCH RIGHT REAR WINDOW SWITCH VIO WIRE WHT WIRE WINDOW REGULATOR FUSE 2 (FUSE 280) YEL WIRE YEL/BLK WIRE

-2 3 4 -1 BLK WIRE BLK/BLU WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER OR IPOD/USB CONNECTION BASEPLATE COMFORT SYSTEM CENTRAL CONTROL MODULE (W/ ALARM SYSTEM) (UNDER DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM FUSE 39 FUSE HOLDER GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER LEFT FRONT MIDRANGE SPEAKER LEFT FRONT TREBLE SPEAKER NCA WIRE ORG/BRN WIRE ORG/VIO WIRE RADIO RED/BLU WIRE RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER SATELLITE ANTENNA SATELLITE RADIO SATELLITE TUNER ANTENNA TELEPHONE PREPARATION WIRING (W/O SATELLITE RADIO) VIO WIRE VIO/BRN WIRE VIO/RED WIRE VIO/YEL WIRE W/ SATELLITE RADIO W/ W/O SATELLITE SATELLITE RADIO RADIO W/O SATELLITE RADIO WHT WIRE YEL WIRE

AIR BAG SPIRAL SPRING/ RETURN SPRING (W/ SLIP RING) AMPLIFIER (RIGHT SIDE OF TRUNK) BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLU WIRE GRY WIRE INSTRUMENT CLUSTER LEFT ANTENNA MODULE (UNDER LEFT SIDE OF LUGGAGE COMPT LID) LEFT FRONT BASS SPEAKER LEFT REAR SPEAKER NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE RADIO CONTROLS RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT ANTENNA MODULE (UNDER RIGHT SIDE OF LUGGAGE COMPT LID) RIGHT FRONT BASS SPEAKER RIGHT REAR SPEAKER STEERING WHEEL CONTROL UNIT WHT WIRE YEL WIRE