Audi A4 B6 (2000-2006) computer data lines system Wiring diagrams

ALARM HORN ANTI-LOCK BRAKES SYSTEM BACKUP LAMPS CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) FRONT HOOD SWITCH FUSE 24 FUSE 38 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING BRAKE WARNING LIGHT SWITCH RED WIRE RED/BLU WIRE RED/GRN WIRE TRUNK LID ALARM SWITCH TRUNK LOCK ALARM/CENTRAL LOCKING SWITCH VIO WIRE VIO/BLU WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

ALARM HORN ANTENNA SUPPRESSION FILTER ANTI-LOCK BRAKES SYSTEM AVANT ONLY BACKUP LAMPS CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DEFOGGER SYSTEM FRONT HOOD SWITCH FUSE 24 FUSE 38 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT REAR BROKEN WINDOW GLASS SENSOR NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING BRAKE WARNING LIGHT SWITCH REAR WINDOW DEFOGGER RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT REAR BROKEN WINDOW GLASS SENSOR TRUNK LOCK ALARM/CENTRAL LOCKING SWITCH TRUNK LID ALARM SWITCH VIO WIRE VIO/BLU WIRE WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

A/C COMPRESSOR REGULATOR VALVE A/C CONTROL HEAD BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM FRESH AIR BLOWER CONTROL MODULE (BEHIND RIGHT END OF DASH) FUSE 1 FUSE 13 FUSE 25 FUSE 44 FUSE 6 FUSE HOLDER (LEFT END OF DASH) FUSE 26 GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION/ STARTER SWITCH MAIN FUSE (AT BATTERY POSITIVE TERMINAL) OFF ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SEAT HEATER RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT VENT TEMPERATURE SENSOR (BEHIND RIGHT END OF DASH, IN AIR DUCT) RUN WIRE SOLAR CELLS (IF EQUIPPED) VIO/BRN WIRE W/ REAR HEATED SEATS W/ REAR HEATED SEATS SEATS SYSTEM WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

AIR CONDITIONING CONTROLS AIR FLOW FLAP MOTOR/ POSITION SENSOR AIR QUALITY SENSOR (RIGHT REAR OF ENG COMPT) AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING B+ B- BLK WIRE BLK/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT (OR BRN) WIRE BRN/WHT WIRE CENTRAL AIR FLAP MOTOR/ POSITION SENSOR COMPUTER DATA LINES SYSTEM DEFROSTER FLAP MOTOR, POSITION SENSOR EVAPORATOR VENT TEMPERATURE SENSOR (BEHIND RIGHT END OF DASH) FRESH AIR INTAKE DUCT TEMPERATURE SENSOR (BEHIND RIGHT END OF DASH) GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEATED FRONT WINDOW HIGH PRESSURE SENSOR LEFT FOOTWELL VENT TEMPERATURE SENSOR (BELOW CENTER OF DASH) LEFT TEMPERATURE FLAP ACTUATOR/ POTENTIOMETER ORG/BRN WIRE ORG/GRN WIRE RECIRCULATION FLAP MOTOR, POSITION SENSOR RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FOOTWELL VENT TEMPERATURE SENSOR (BELOW CENTER OF DASH) RIGHT TEMPERATURE FLAP ACTUATOR/ POTENTIOMETER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (AT TOP OF STEERING COLUMN) STEERING WHEEL CONTROL UNIT SUNLIGHT PHOTO SENSOR (ON TOP CENTER OF DASH) WHT/GRN WIRE WHT/YEL WIRE WINDSHIELD HEATING VOLTAGE CONVERTER (IF EQUIPPED) YEL/BLK WIRE

1.8L 4.2L BLK WIRE BLU/GRN WIRE BRAKE LIGHT SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CLUTCH VACUUM VENT VALVE SWITCH (M/T) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH FUSE 7 FUSE PANEL (LEFT END OF DASH) FUSE 13 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION/ STARTER SWITCH MOTRONIC ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPARTMENT) NCA WIRE OFF ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/VIO WIRE RED/YEL WIRE RUN WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (TOP OF STEERING COLUMN) THROTTLE POSITION (TP) SENSOR (ABOVE ACCELERATOR SENSOR) THROTTLE VALVE CONTROL MODULE (ON THROTTLE BODY) VIO/RED WIRE WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) BRN WIRE COMPUTER DATA LINES SYSTEM EMERGENCY FLASHER SWITCH FUSE 13 FUSE 14 FUSE 7 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT AT ALL TIMES FUSE STRIP (MAIN FUSE) FUSE 88 IGNITION/ STARTER SWITCH LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY LICENSE PLATE LIGHTS LIGHT SWITCH NCA WIRE OFF ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY RUN WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (TOP OF STEERING COLUMN) TAIL TAIL STOP TURN TURN PARK TURN SIGNAL SWITCH TURN STOP VIO WIRE W/ 1 FILAMENT BULB W/ 2 FILAMENT BULB W/ HIGH INTENSITY HEADLIGHTS WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BRAKE LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) BRN WIRE COMPUTER DATA LINES SYSTEM EMERGENCY FLASHER SWITCH FUSE 13 FUSE 14 FUSE 7 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT AT ALL TIMES FUSE STRIP (MAIN FUSE) FUSE 88 IGNITION/ STARTER SWITCH LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY LICENSE PLATE LIGHTS LIGHT SWITCH NCA WIRE OFF ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY RUN WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (TOP OF STEERING COLUMN) STOP TURN TAIL TAIL STOP TURN TURN PARK TURN SIGNAL SWITCH VIO WIRE W/ HIGH INTENSITY HEADLIGHTS WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

A/C CONTROL HEAD BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) DRIVER SIDE OUTSIDE MIRROR FUSE 22 FUSE HOLDER (LEFT END OF DASH) HOT AT ALL TIMES ORG/BRN WIRE ORG/GRN WIRE PASSENGER SIDE DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) PASSENGER SIDE OUTSIDE MIRROR RED/YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CAMSHAFT ADJUSTMENT VALVE 1 CAMSHAFT POSITION SENSOR (LEFT FRONT OF CYLINDER HEAD) COIL COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR FUSE 82 FUSE HOLDER (LEFT END OF DASH) FUSE 29 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (NEAR THROTTLE BODY) MALFUNCTION INDICATOR LAMP NCA WIRE ORG/BLK WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE TO SPARK PLUG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR CAMSHAFT POSITION SENSOR 3 COIL COMPUTER DATA LINES SYSTEM FUSE 82 FUSE HOLDER (LEFT END OF DASH) FUSE 29 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE INSTRUMENT CLUSTER MALFUNCTION INDICATOR LAMP NCA WIRE ORG/BLK WIRE ORG/BRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE TO SPARK PLUG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE