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

-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 NAVIGATION SYSTEM W/ CD DRIVE CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE ORG/BRN WIRE ORG/VIO WIRE 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 NAVIGATION SYSTEM ANTENNA 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 FRONT BASS SPEAKER RIGHT REAR SPEAKER STEERING WHEEL CONTROL UNIT WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/GRY 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 GRY WIRE HOT AT ALL TIMES NAVIGATION SYSTEM W/ CD DRIVE CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE ORG/BRN WIRE ORG/VIO WIRE RED/BLU WIRE SATELLITE ANTENNA SATELLITE RADIO SATELLITE TUNER ANTENNA TELEPHONE PREPARATION WIRING (W/O SATELLITE RADIO) VIO WIRE VIO/RED WIRE W/ SATELLITE RADIO W/O SATELLITE RADIO WHT WIRE YEL WIRE

AIR BAG SPIRAL SPRING/ RETURN SPRING (W/ SLIP RING) AMPLIFIER (RIGHT SIDE OF TRUNK) BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE INSIDE LOUDSPEAKER INSIDE MICROPHONE 4 3 INSTRUMENT CLUSTER LEFT ANTENNA MODULE (UNDER LEFT SIDE OF LUGGAGE COMPT LID) LEFT FRONT BASS SPEAKER LEFT FRONT MIDRANGE SPEAKER LEFT FRONT TREBLE SPEAKER -1 LEFT REAR SPEAKER NAVIGATION SYSTEM ANTENNA NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE POWER TOPS SYSTEM RADIO CONTROLS RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER +2 RIGHT REAR SPEAKER STEERING WHEEL CONTROL UNIT VIO/BRN WIRE VIO/GRN WIRE WHT WIRE YEL WIRE

2 1 +2 -1 ANTENNA BLK WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE CD CHANGER OR IPOD/USB CONNECTION BASEPLATE COMPUTER DATA LINES SYSTEM FUSE 39 FUSE HOLDER GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER LEFT FRONT BASS SPEAKER LEFT FRONT MIDRANGE SPEAKER NAVIGATION SYSTEM W/ CD DRIVE CONTROL MODULE (AVANT: LEFT REAR OF CARGO AREA) NCA WIRE ORG/BRN WIRE ORG/VIO WIRE RED/BLU WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT MIDRANGE SPEAKER SATELLITE RADIO TELEPHONE CONNECTION VIO WIRE VIO/GRY WIRE VIO/RED WIRE W/ SATELLITE RADIO W/O SATELLITE RADIO W/O VOICE CONTROL WHT WIRE WHT/YEL WIRE YEL WIRE

ANTENNA BLK WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER OR IPOD/USB CONNECTION BASEPLATE COMPUTER DATA LINES SYSTEM FUSE 39 FUSE HOLDER GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER LEFT REAR BASS SPEAKER LEFT REAR MIDRANGE SPEAKER NAVIGATION SYSTEM W/CD DRIVE CONTROL MODULE (AVANT: LEFT REAR OF CARGO AREA) NCA WIRE ORG/BRN WIRE ORG/VIO WIRE RED/BLU WIRE RED/YEL WIRE SATELLITE RADIO TELEPHONE CONNECTION TELEPHONE MICROPHONE VIO WIRE VIO/GRY WIRE VIO/RED WIRE W/ SATELLITE RADIO W/O SATELLITE RADIO W/O VOICE CONTROL WHT WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FRONT PARKING AID WARNING BUZZER FUSE 17 FUSE 5 FUSE PANEL GRN/BLU WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT CENTER PARKING AID SENSOR (IN FRONT BUMPER) 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/BRN WIRE ORG/GRN WIRE PARKING AID SWITCH RED WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT CENTER PARKING AID SENSOR (ON FRONT BUMPER) RIGHT FRONT PARKING AID SENSOR (FRONT BUMPER) RIGHT REAR CENTER PARKING AID SENSOR (ON REAR BUMPER) RIGHT REAR PARKING AID SENSOR (ON REAR BUMPER) VIO WIRE YEL/RED WIRE

9-POSITION RELAY CARRIER BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT CENTRAL LOCKING WARNING LIGHT (SAFE) (DRIVER SIDE DOOR) CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT (REAR OF DRIVER'S DOOR) DRIVER'S DOOR INTERIOR LOCK SWITCH DRIVER'S SIDE DOOR CONTROL MODULE FRONT PASSENGER'S INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 GLOVE BOX LOCK MOTOR GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER FUSE 24 FUSE 38 NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE CENTRAL LOCKING LOCK UNIT POWER WINDOW FUSE 37 POWER WINDOWS, INTERIOR LIGHTS SYSTEMS REAR LID LOCK CYLINDER UNLOCKING SWITCH REAR LID UNLOCK MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 SEDAN AVANT 9-POSITION RELAY CARRIER ANTI-THEFT SYSTEM AVANT SEDAN 1 2 BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR CONTROL MODULE DRIVER SIDE INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 FUSE 38 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER FUSE 24 INTERIOR LIGHTS, POWER WINDOW SYSTEMS NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH POWER WINDOW FUSE 37 REAR LID LOCK CYLINDER UNLOCKING SWITCH REAR LID UNLOCK MOTOR, ALARM SWITCH REAR/CENTER CENTRAL LOCKING SWITCH (IF EQUIPPED) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, POWER WINDOWS, INTERIOR LIGHTS, MEMORY SYSTEMS VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 SEDAN AVANT 9-POSITION RELAY CARRIER ANTI-THEFT SYSTEM AVANT SEDAN 1 2 BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR CONTROL MODULE DRIVER SIDE INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 FUSE 38 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER FUSE 24 INTERIOR LIGHTS, POWER WINDOW SYSTEMS NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH POWER WINDOW FUSE 37 REAR LID LOCK CYLINDER UNLOCKING SWITCH REAR LID UNLOCK MOTOR, ALARM SWITCH REAR/CENTER CENTRAL LOCKING SWITCH (IF EQUIPPED) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, POWER WINDOWS, INTERIOR LIGHTS, MEMORY SYSTEMS VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE