Audi A4 B6 (2000-2006) (behind left side of dash) 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

AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR DRIVER DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) DRIVER SIDE CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) DRIVER SIDE DOOR WARNING LIGHT FRONT INTERIOR LIGHT ASSEMBLY FUSE 2 FUSE HOLDER (LEFT END OF DASH) GLOVE COMPARTMENT LIGHT GLOVE COMPARTMENT LIGHT SWITCH GRN WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION CIRCUIT) LEFT FOOTWELL LIGHT LEFT FRONT ENTRY LIGHT LEFT LUGGAGE COMPARTMENT LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT MAKE-UP MIRROR LIGHT SWITCH LEFT REAR FOOTWELL LIGHT OFF ORG/BRN WIRE ORG/GRN WIRE PASS SIDE AIR BAG OFF IND PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) PASSENGER SIDE CENTRAL LOCKING UNIT (DOOR CONTACT SWITCH) PASSENGER SIDE DOOR WARNING LIGHT POWER WINDOWS, MIRRORS, DOOR LOCKS SYSTEMS, INSTRUMENT ILLUMINATION 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 SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WHT WIRE YEL 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

14 14 (W/O CONV) (W/ CONV) 2 6 88 (CVT) (6-SPEED) (5-SPEED) A/C CONTROL HEAD ABS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) AIR BAG CONTROL MODULE (BELOW CENTER CONSOLE) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) CONVERTIBLE TOP CONTROL MODULE (W/ CONV) (AT RIGHT QTRPANEL) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) FUSE 12 FUSE 31 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/RED WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND GLOVE BOX) HOT IN ON OR START INSTRUMENT CLUSTER RADIO RED WIRE RED/BLK WIRE RIGHT ENTRY ASSISTANCE CONTROL MODULE (W/ CONV) TELEPHONE/ TELEMATIC CONTROL MODULE (BASE OF RIGHT SEAT)

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 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) STOP TAIL STOP TURN TAIL TURN TURN PARK TURN SIGNAL SWITCH VIO WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

BATTERY BRN WIRE BRN/YEL WIRE COOLANT FC (FAN CONTROL) CONTROL MODULE DRIVER'S BACKREST HEATING ELEMENT, DRIVER'S HEATED SEAT SIDE BOLSTER HEATER HEADLIGHT RANGE CONTROL MODULE, REAR CENTER ASHTRAY LIGHT HEADLIGHT WASHER PUMP, DRIVER SIDE DOOR CONTROL MODULE PASSENGER SIDE DOOR CONTROL MODULE RIGHT HEADLIGHT ASSEMBLY, RIGHT SIDE TURN SIGNAL LIGHT

9-PIN RELAY CARRIER (IN INSTRUMENT PANEL) ANTI-LOCK BRAKES SYSTEM BATTERY BLK WIRE BLK/GRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FOG LIGHT SWITCH FUSE 10 FUSE 88 FUSE HOLDER (LEFT END OF DASH) FUSE STRIP (MAIN FUSE) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND GLOVE BOX) HEADLIGHT SWITCH HIGH INTENSITY GAS DISCHARGE LAMP HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTRUMENT CLUSTER SYSTEM LEFT FRONT FOG LIGHT LEFT HEADLIGHT ASSEMBLY LEFT HEADLIGHT BEAM ADJUSTING MOTOR LEFT HIGH BEAM HEAD- LIGHT HIGH INTENSITY GAS DISCHARGE LAMP LEFT REAR FOG LIGHT LIGHT SWITCH LOAD REDUCTION RELAY NCA WIRE OFF ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT HEADLIGHT BEAM ADJUSTING MOTOR RIGHT HIGH BEAM HEAD- LIGHT RUN WIRE STARTING/ CHARGING SYSTEM STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (TOP OF STEERING COLUMN) TRANSMISSIONS SYSTEM TURN SIGNAL SWITCH (HEADLIGHT DIMMER SWITCH) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/BRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT WIRE

9-PIN RELAY CARRIER (IN INSTRUMENT PANEL) BATTERY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FOG LIGHT SWITCH FUSE STRIP (MAIN FUSE) FUSE 88 GRN WIRE GRY WIRE GRY/WHT WIRE HEADLIGHT SWITCH HOT AT ALL TIMES IGNITION SWITCH LEFT FRONT FOG LIGHT LEFT HEADLIGHT ASSEMBLY LEFT REAR FOG LIGHT LIGHT SWITCH LOAD REDUCTION RELAY NCA WIRE OFF ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT ASSEMBLY RUN WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (TOP OF STEERING COLUMN) TURN SIGNAL SWITCH (HEADLIGHT DIMMER SWITCH) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1 3 RADIO FREQUENCY CONTROLLED CLOCK RECEIVER (IF EQUIPPED) ABS CONTROL MODULE (ON LEFT SIDE OF ENGINE COMPARTMENT) AIR BAG MIL AIRBAG CONTROL MODULE (BELOW CENTER CONSOLE) AMBIENT TEMPERATURE SWITCH (BEHIND LOWER LEFT CENTER OF FRONT BUMPER) ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT IMMOBILZER INDUCTION COIL ANTI-THEFT SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BOARD COMPUTER FUNCTION SELECTOR SWITCH II 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 BUZZER CLOCK COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD- MECHANISM DRIVER'S SEAT CONTACT STRIP ECT GAUGE ENGINE COOLANT LEVEL (ECL) WARNING SWITCH ENGINE COOLANT TEMPERATURE (ECT) SENSOR FUEL GAUGE FUEL GAUGE GAUGE SENDER FUEL LEVEL SENSOR 2 (QUATTRO ONLY) FUEL TANK LOCK SWITCH (IF EQUIPPED) FUSE 15 FUSE 5 FUSE HOLDER (LEFT END OF DASH) GEN WARN IND GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND GLOVE BOX) HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTRUMENT CLUSTER KEY SWITCH OFF OIL LEVEL THERMAL SENSOR OIL PRESSURE SWITCH ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE RADIO RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RUN WIRE SPEEDO- METER STARTING/CHARGING SYSTEM STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IN TOP OF STEERING COLUMN) SUPPLEMENTAL RESTRAINTS SYSTEM TACHO- METER TELEPHONE/ TELEMATIC CONTROL MODULE TIPTRONIC SWITCH TRANSMISSION CONTROL MODULE (LEFT REAR OF ENG COMPT) (W/O CVT) VIO WIRE VIO/BLK WIRE WARNINGS SYSTEM WHT WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD WASHER FLUID LEVEL WARNING SWITCH YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

9-PIN 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 (SAFE) (DRIVER SIDE DOOR) CENTRAL LOCKING WARNING LIGHT (SAFE) (PASSENGER SIDE DOOR) CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT DRIVER SIDE DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) DRIVER SIDE INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 FUSE 38 FUSE HOLDER (LEFT END OF DASH) FUSE 24 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 MIRRORS SYSTEM, INTERIOR LIGHTS SYSTEM, POWER WINDOWS SYSTEM, MEMORY SYSTEM MIRRORS, POWER WINDOWS, INTERIOR LIGHTS SYSTEMS NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE CENTRAL LOCKING LOCK UNIT PASSENGER SIDE DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) POWER WINDOW FUSE 37 REAR LID LOCK CYLINDER UNLOCKING SWITCH REAR LID UNLOCK MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN 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