Audi A4 B6 (2000-2006) radio Wiring diagrams

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)

A/C COMPRESSOR REGULATOR VALVE BRN WIRE DRIVER'S SIDE SIDE AIRBAG IGNITER, PASSENGER SIDE SIDE AIRBAG IGNITER HEATED REAR WINDOW PASSENGER'S SEAT SIDE BOLSTER HEATER, PASSENGER'S BACKREST HEATING ELEMENT RADIO RIGHT REAR WINDOW MOTOR RIGHT TAILLIGHT ASSEMBLY, FUEL TANK LOCK SWITCH, SOCKET, FUEL PUMP, ALARM HORN

4.2L AMPLIFIER SHIELDS BRN WIRE BRN/WHT WIRE EXCEPT AVANT LEFT REAR DOOR CONTROL MODULE PASSENGER'S SEAT HEATING ELEMENT, PASSENGER'S BACKREST HEATING ELEMENT RADIO RIGHT REAR DOOR CONTROL MODULE TELEPHONE/ TELEMATIC CONTROL MODULE

5-SPEED A/T 6-SPEED A/T CVT A/T A/C CONTROL HEAD ABS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) AIRBAG CONTROL MODULE (BELOW CENTER CONSOLE) COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT) CONTROL MODULE FOR NAVIGATION W/ CD- MECHANISM DRIVER SIDE DOOR CONTROL MODULE INSTRUMENT CLUSTER LEFT ENTRY ASSISTANCE CONTROL MODULE (W/ CONVERTIBLE) LEFT REAR WINDOW REGULATOR MOTOR (W/ CONVERTIBLE) MEMORY SEAT CONTROL MODULE (UNDER LEFT FRONT SEAT) MOTRONIC ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PARKING AID CONTROL MODULE (AT LEFT REAR OF LUGGAGE COMPT) PASSENGER SIDE DOOR CONTROL MODULE (INTEGRAL W/ WINDOW REGULATOR MOTOR) RADIO RIGHT ENTRY ASSISTANCE CONTROL MODULE (W/ CONVERTIBLE) RIGHT REAR WINDOW REGULATOR MOTOR (W/ CONVERTIBLE) STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (AT TOP OF STEERING COLUMN) TELEPHONE/ TELEMATIC CONTROL MODULE TOWING SENSOR CONTROL MODULE TRANSMISSION CONTROL MODULE (LEFT REAR OF ENGINE COMPT) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BEHIND LEFT SIDE OF DASH)

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

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 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) 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/BLK WIRE GRY/BLU WIRE GRY/RED 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 LEFT FRONT SEAT BELT MICRO 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 SERVOTRONIC CONTROL MODULE (ON 9-PIN RELAY CARRIER) SPEEDO- METER STARTING/CHARGING SYSTEM STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IN TOP OF STEERING COLUMN) SUPPLEMENTAL RESTRAINTS SYSTEM TACHO- METER TELEPHONE CONTROL MODULE FOR OPERATING ELECTRONICS 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/BLU 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

BACKUP LAMPS CIRCUIT COMPUTER DATA LINES SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BOARD COMPUTER FUNCTION SELECTOR SWITCH II BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 15 FUSE 5 FUSE HOLDER (LEFT END OF DASH) GPS ANTENNA GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/VIO WIRE RADIO RED WIRE RED/BLU WIRE TELEPHONE/TELEMATIC CONTROL MODULE (IF EQUIPPED) (NEAR BASE OF RIGHT FRONT SEAT) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

+2 -1 -1 +2 AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT BASS SPEAKER LEFT FRONT DSP MIDRANGE SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR SPEAKER NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT ANTENNA MODULE RIGHT FRONT BASS SPEAKER RIGHT FRONT DSP MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (AT TOP OF STEERING COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) VIO/BRN WIRE VIO/GRN WIRE WHT WIRE YEL WIRE

+2 -1 -1 +2 AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER BLK WIRE BLK/BLU WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT BASS SPEAKER LEFT FRONT DSP MIDRANGE SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR SPEAKER NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT ANTENNA MODULE RIGHT FRONT BASS SPEAKER RIGHT FRONT DSP MIDRANGE SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

+2 -1 LEFT REAR BASS SPEAKER -1 +2 1- 2+ LEFT FRONT BASS SPEAKER 1- 2+ RIGHT FRONT BASS SPEAKER 1- 2+ RIGHT REAR BASS SPEAKER AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING AMPLIFIER ANTENNA AVANT BASS LOUDSPEAKER BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CD CHANGER UNIT COMFORT SYSTEM CENTRAL CONTROL MODULE (NEAR BASE OF LEFT FRONT SEAT, IN E-BOX) COMPUTER DATA LINES SYSTEM CONTROL MODULE FOR NAVIGATION W/ CD-MECHANISM (LEFT REAR OF LUGGAGE COMPT) EXCEPT AVANT FUSE 39 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES INSIDE LOUDSPEAKER (CENTER SPEAKER) INSTRUMENT CLUSTER LEFT ANTENNA MODULE LEFT FRONT MIDRANGE SPEAKER LEFT REAR MIDRANGE SPEAKER LEFT REAR SIDE WINDOW RIGHT REAR SIDE WINDOW NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE PNK WIRE RADIO RADIO CONTROLS REAR WINDOW DEFOGGER W/ WINDOW ANTENNA RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT MIDRANGE SPEAKER RIGHT REAR MIDRANGE SPEAKER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT TELEPHONE PREPARATION WIRING (IF EQUIPPED) WHT WIRE YEL WIRE