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

AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM FRONT INTERIOR LIGHT ASSEMBLY FUSE 2 FUSE HOLDER GLOVE COMPARTMENT LIGHT GLOVE COMPARTMENT LIGHT SWITCH GRN WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT LEFT FOOTWELL LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT REAR FOOTWELL LIGHT LUGGAGE COMPARTMENT LIGHT NCA WIRE ORG/BRN WIRE ORG/GRN WIRE POWER TOPS SYSTEM REAR CRTSY REAR LID LIGHT REAR READING/ COURTESY LIGHT RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL LIGHT RIGHT MAKE-UP MIRROR LIGHT RIGHT MAKE-UP MIRROR LIGHT SWITCH RIGHT REAR FOOTWELL LIGHT VIO WIRE WHT WIRE YEL WIRE

BLU WIRE BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE (NTEGRATED IN DRIVER'S DOOR WINDOW REGULATOR MOTOR) DRIVER SIDE CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR WARNING LIGHT DRIVER'S WINDOW REGULATOR SWITCH GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT ENTRY LIGHT LEFT REAR CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF LEFT REAR DOOR) LEFT REAR DOOR OPENER LIGHTING LEFT REAR DOOR WARNING LIGHT LEFT REAR ENTRY LIGHT LEFT REAR ENTRY LIGHT LEFT REAR DOOR WARNING LIGHT ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE DOOR WARNING LIGHT POWER WINDOWS SYSTEM, INSTRUMENT ILLUMINATION CIRCUIT POWER WINDOWS, DOOR LOCKS SYSTEMS, INSTRUMENT ILLUMINATION CIRCUIT RED WIRE RED/VIO WIRE RIGHT FRONT ENTRY LIGHT RIGHT REAR CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF RIGHT REAR DOOR) RIGHT REAR DOOR (RIGHT "B" OPENER PILLAR) LIGHTING RIGHT REAR DOOR WARNING LIGHT RIGHT REAR ENTRY LIGHT RIGHT REAR ENTRY LIGHT RIGHT REAR DOOR WARNING LIGHT VIO WIRE W/ REAR POWER WINDOWS W/O REAR POWER WINDOWS YEL WIRE

ANTI-THEFT SYSTEM AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE (NTEGRATED IN DRIVER'S DOOR WINDOW REGULATOR MOTOR) DRIVER SIDE CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR WARNING LIGHT DRIVER'S MAP/READING LIGHT FRONT INTERIOR LIGHT ASSEMBLY FRONT PASSENGER'S MAP/READING LIGHT FUSE 17 FUSE 2 FUSE 38 FUSE HOLDER GLOVE COMPARTMENT LIGHT GLOVE COMPARTMENT LIGHT SWITCH GRN WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT LEFT FOOTWELL LIGHT LEFT FRONT ENTRY LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT REAR FOOTWELL LIGHT ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE DOOR WARNING LIGHT POWER WINDOWS, DOOR LOCKS SYSTEMS, INSTRUMENT ILLUMINATION CIRCUIT RADAR INTERIOR MONITORING CONTROL MODULE 2 RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FOOTWELL LIGHT RIGHT FRONT ENTRY LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT RIGHT MAKE-UP MIRROR LIGHT RIGHT MAKE-UP MIRROR LIGHT SWITCH RIGHT REAR FOOTWELL LIGHT VIO WIRE WHT WIRE YEL WIRE

AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM FRONT INTERIOR LIGHT ASSEMBLY FUSE 2 FUSE HOLDER GLOVE COMPARTMENT LIGHT GLOVE COMPARTMENT LIGHT SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT LEFT FOOTWELL LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT REAR FOOTWELL LIGHT LUGGAGE COMPARTMENT LIGHT NCA WIRE ORG/BRN WIRE ORG/GRN WIRE POWER TOPS SYSTEM REAR CRTSY REAR READING/ COURTESY LIGHT RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL LIGHT RIGHT MAKE-UP MIRROR LIGHT RIGHT MAKE-UP MIRROR LIGHT SWITCH RIGHT REAR FOOTWELL LIGHT VIO WIRE WHT WIRE YEL WIRE

BLU WIRE BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE (NTEGRATED IN DRIVER'S DOOR WINDOW REGULATOR MOTOR) DRIVER SIDE CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR WARNING LIGHT DRIVER'S WINDOW REGULATOR SWITCH GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT ENTRY LIGHT LEFT REAR CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF LEFT REAR DOOR) LEFT REAR DOOR (RIGHT "B" OPENER PILLAR) LIGHTING LEFT REAR DOOR WARNING LIGHT LEFT REAR ENTRY LIGHT LEFT REAR ENTRY LIGHT LEFT REAR DOOR WARNING LIGHT ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE DOOR WARNING LIGHT POWER WINDOWS SYSTEM, INSTRUMENT ILLUMINATION CIRCUIT POWER WINDOWS, DOOR LOCKS SYSTEMS, INSTRUMENT ILLUMINATION CIRCUIT RED WIRE RED/VIO WIRE RIGHT FRONT ENTRY LIGHT RIGHT REAR CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) (REAR OF RIGHT REAR DOOR) RIGHT REAR DOOR OPENER LIGHTING RIGHT REAR DOOR WARNING LIGHT RIGHT REAR ENTRY LIGHT RIGHT REAR ENTRY LIGHT RIGHT REAR DOOR WARNING LIGHT VIO WIRE W/ REAR POWER WINDOWS W/O REAR POWER WINDOWS YEL WIRE

AMBIENT ILLUMINATION DEACTIVATION AVANT BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DAY TIME RUNNING LIGHT DRL DISABLE EXCEPT CONVERTIBLE CONVERTIBLE EXCEPT CONVERTIBLE W/O LIGHT SENSOR FOG LIGHT SWITCH GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLAMP ADJUSTER HEADLIGHT BEAM ADJUSTING MOTOR HEADLIGHT SWITCH HIGH INTENSITY GAS DISCHARGE LAMP HIGH INTENSITY GAS DISCHARGE LAMP CONTROL MODULE HIGH/ LOW BEAM SWITCH- OVER SOLENOID LIGHT SWITCH NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT REAR FOG LIGHT TURN SIGNAL SWITCH (HEADLIGHT DIMMER/FLASHER SWITCH) EXTERIOR LIGHTS SYSTEM VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

3 1 AVANT SEDAN AVANT BATTERY BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EXCEPT CONVERTIBLE EXCEPT CONVERTIBLE W/O LIGHT SENSOR FOG LIGHT SWITCH FUSE 1 FUSE 17 FUSE 19 FUSE HOLDER FUSE STRIP (MAIN FUSE) FUSE 88 GRN WIRE GRY WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLIGHT SWITCH HIGH BEAM HOT AT ALL TIMES LEFT FRONT FOG LIGHT LEFT HEADLIGHT ASSEMBLY LEFT REAR FOG LIGHT (EXCEPT CONVERTIBLE) LIGHT SWITCH LOW BEAM NCA WIRE ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR (TOP OF WINDSHIELD, IN REARVIEW MIRROR ASSEMBLY) RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT REAR FOG LIGHT (EXCEPT CONVERTIBLE) TURN SIGNAL SWITCH (HEADLIGHT DIMMER/FLASH SWITCH) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 40 FUSE HOLDER GRN WIRE GRN/YEL WIRE HIGH TONE HORN HORN RELAY HORN SWITCH HOT AT ALL TIMES LOW TONE HORN NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE STORAGE COMPARTMENT) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE WHT WIRE YEL WIRE

ABS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) AIR BAG CONTROL MODULE (BELOW CENTER CONSOLE) AIR BAG MIL AMBIENT TEMPERATURE SWITCH ANTI- SYSTEM THEFT SYSTEM ANTI-LOCK BRAKES ANTI-LOCK BRAKES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT IMMOBILIZER INDUCTION COIL (RIGHT SIDE OF STEERING COLUMN) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLOCK COMPUTER DATA LINES SYSTEM CONTROLLED FREQUENCY RADIO CVT 6-SPEED ECT GAUGE ENGINE COOLANT LEVEL (ECL) WARNING SWITCH FUEL GAUGE FUEL LEVEL SENSOR FUEL LEVEL SENSOR 2 (QUATTRO ONLY) FUSE 15 FUSE 5 FUSE HOLDER GEN WARN IND GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION/ STARTER SWITCH INSTRUMENT CLUSTER KEY SWITCH LOCK OFF MOTRONIC ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPT, IN PLENUM CHAMBER) OIL LEVEL THERMAL SENSOR OIL PRESSURE SWITCH ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE RADIO FREQUENCY CONTROLLED CLOCK RECEIVER (IF EQUIPPED) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT FRONT LEFT FRONT BRAKE PAD BRAKE PAD WEAR SENSOR WEAR SENSOR RUN WIRE SPEED- OMETER STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACH- OMETER TIPTRONIC SWITCH TRANSMISSION CONTROL MODULE (AT REAR OF TRANSMISSION) VIO WIRE VIO/BLK WIRE WHT WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD WASHER FLUID LEVEL WARNING SWITCH YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

ABS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) AIR BAG CONTROL MODULE (BELOW CENTER CONSOLE) AIR BAG MIL AMBIENT TEMPERATURE SWITCH ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT IMMOBILIZER INDUCTION COIL (RIGHT SIDE OF STEERING COLUMN) ANTI-THEFT SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CVT 6-SPEED ECT GAUGE ENGINE COOLANT LEVEL (ECL) WARNING SWITCH FUEL GAUGE FUEL LEVEL FUEL LEVEL SENSOR 2 (QUATTRO ONLY) FUSE 15 FUSE 5 FUSE HOLDER GEN WARN IND GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION/ STARTER SWITCH INSTRUMENT CLUSTER KEY SWITCH LEFT FRONT RIGHT FRONT BRAKE PAD BRAKE PAD WEAR SENSOR WEAR SENSOR LOCK OFF MOTRONIC ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPT, IN PLENUM CHAMBER) OIL LEVEL THERMAL SENSOR OIL PRESSURE SWITCH ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE RADIO FREQUENCY CONTROLLED CLOCK RADIO FREQUENCY CONTROLLED CLOCK RECEIVER (IF EQUIPPED) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RUN WIRE SPEED- OMETER STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACH- OMETER TIPTRONIC SWITCH TRANSMISSION CONTROL MODULE (AT REAR OF TRANSMISSION) VIO WIRE VIO/BLK WIRE WHT WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD WASHER FLUID LEVEL WARNING SWITCH YEL WIRE YEL/BLU WIRE YEL/GRY WIRE