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Audi A4 B6 (2000-2006) nca Wiring diagrams

This page contains all the electrical diagrams for the component. nca, in which he is found in the car Audi A4 B6 (2000-2006). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..

Wiring diagram nca (21 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (21 of 50)

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A/C CONTROL HEAD AIR CONDITIONING SYSTEM AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S BACKREST HEATING ELEMENT DRIVER'S SEAT HEATER FUSE 44 FUSE HOLDER (LEFT END OF DASH) GRN WIRE HEATED SEAT TEMP SENSOR HEATED STEERING WHEEL (IF EQUIPPED) HOT AT ALL TIMES NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S BACKREST HEATING ELEMENT PASSENGER'S SEAT HEATER RED WIRE RED/WHT WIRE SEAT HEATER SIDE BOLSTER HEATER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT WHT WIRE YEL WIRE YEL/BLU WIRE

Go to component -> Front seat heater circuit, with convertible -> NCA WIRE

Wiring diagram nca (22 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (22 of 50)

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A/C CONTROL HEAD AIR CONDITIONING SYSTEM AIRBAG SPIRAL SPRING/ RETURN SPRING W/ SLIP RING BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S BACKREST HEATING ELEMENT DRIVER'S SEAT HEATER FUSE 44 FUSE HOLDER (LEFT END OF DASH) GRN WIRE HEATED SEAT TEMP SENSOR HEATED STEERING WHEEL (IF EQUIPPED) HOT AT ALL TIMES NCA WIRE ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S BACKREST HEATING ELEMENT PASSENGER'S SEAT HEATER RED WIRE RED/WHT WIRE SEAT HEATER SIDE BOLSTER HEATER STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IF EQUIPPED) (TOP OF COLUMN) STEERING WHEEL CONTROL UNIT WHT WIRE YEL WIRE YEL/BLU WIRE

Go to component -> Front seat heater circuit, without convertible -> NCA WIRE

Wiring diagram nca (23 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (23 of 50)

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BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DE- FOG DRIVER SIDE DOOR CONTROL MODULE MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) DRIVER'S SEAT MEMORY PROGRAM CONTROL DRIVER'S SIDE OUTSIDE FOLDING MIRROR FOLD- AWAY FUSE 22 FUSE HOLDER (LEFT END OF DASH) GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES MIRROR ADJUSTMENT SWITCH MIRROR FOLD AWAY SWITCH MIRROR SELECTOR SWITCH NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER SIDE DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) PASSENGER'S SIDE OUTSIDE FOLDING MIRROR POSITION RED/YEL WIRE

Go to component -> Memory systems circuit, with convertible (4 of 4) -> NCA WIRE

Wiring diagram nca (24 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (24 of 50)

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BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DE- FOG DRIVER SIDE DOOR CONTROL MODULE MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) DRIVER'S SEAT MEMORY PROGRAM CONTROL DRIVER'S SIDE OUTSIDE FOLDING MIRROR FOLD- AWAY FUSE 22 FUSE HOLDER (LEFT END OF DASH) GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES MIRROR ADJUSTMENT SWITCH MIRROR FOLD AWAY SWITCH MIRROR SELECTOR SWITCH NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER SIDE DOOR CONTROL MODULE (INTEGRAL WITH WINDOW REGULATOR MOTOR) PASSENGER'S SIDE OUTSIDE FOLDING MIRROR POSITION RED/YEL WIRE

Go to component -> Memory systems circuit, without convertible (2 of 2) -> NCA WIRE

Wiring diagram nca (25 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (25 of 50)

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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

Go to component -> Navigation circuit -> NCA WIRE

Wiring diagram nca (26 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (26 of 50)

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9-PIN RELAY CARRIER (BEHIND LEFT SIDE OF DASH) A/C CONTROL HEAD ABS CONTROL MODULE (W/EDL) ABS CONTROL MODULE FUSE 1 FUSE 123 AIR QUALITY SENSOR, HIGH PRESSURE SENSOR AIRBAG CONTROL MODULE BATTERY BLK WIRE BLU WIRE BRAKE BOOSTER RELAY BRN WIRE CIGARETTE LIGHTER DRIVER SIDE DOOR CONTROL MODULE E-BOX RELAY CARRIER (LEFT REAR OF ENGINE COMPT) FUEL PUMP (FP) RELAY SERVOTRONIC CONTROL MODULE FUSE 1 FUSE 130 FUSE 22 FUSE 30 FUSE 9 FUSE 31 FUSE 16 FUSE 33 FUSE 36 FUSE 37 FUSE 38 FUSE 43 FUSE 3 FUSE 10 FUSE 7 FUSE 5 FUSE 6 FUSE 8 FUSE HOLDER (LEFT END OF DASH) FUSE STRIP (MAIN FUSE) FUSE 88 GENERATOR STARTER GRN WIRE GRY WIRE HEADLIGHT RANGE CONTROL MODULE IGNITION/STARTER SWITCH INSTRUMENT PANEL INSTRUMENT PANEL, STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE LIGHT SWITCH LIGHT SWITCH BRAKE BOOSTER RELAY LOAD REDUCTION RELAY MOTRONIC ENGINE CONTROL MODULE (ECM) MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY MOTRONIC ENGINE CONTROL MODULE (ECM), WASTEGATE BYPASS REGULATOR VALVE (1.8L) MULTI-FUNCTION TRANSMISSION RANGE (TR) SWITCH, TRANSMISSION CONTROL MODULE NCA WIRE OFF OFF OFF PASSENGER SIDE DOOR CONTROL MODULE REAR SHADE CIRCUIT BREAKER REAR WINDSHIELD WIPER MOTOR RED WIRE RED/YEL WIRE RUN WIRE SECONDARY AIR INJECTION (AIR) PUMP RELAY STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE SUNROOF MOTOR REAR WINDOW SHADE CONTROL MODULE TELEPHONE AMPLIFIER TO 4-PIN RELAY CARRIER (DIAGRAM 2 OF 2) TO FUSE 37 (DIAGRAM 2 OF 2) TO FUSE HOLDER (DIAGRAM 2 OF 2) TRANSMISSION CONTROL MODULE (TCM) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Power distribution circuit, without convertible (1 of 2) -> NCA WIRE

Wiring diagram nca (27 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (27 of 50)

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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

Go to component -> Power door locks circuit, with convertible -> NCA WIRE

Wiring diagram nca (28 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (28 of 50)

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9-PIN RELAY CARRIER BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) 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 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES MIRRORS, POWER WINDOWS, INTERIOR LIGHTS 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 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 TELEPHONE/TELEMATIC CONTROL MODULE (NEAR BASE OF RIGHT FRONT SEAT) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

Go to component -> Power door locks circuit, without convertible, without rear power windows (1 of 2) -> NCA WIRE

Wiring diagram nca (29 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (29 of 50)

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9-PIN RELAY CARRIER BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) 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 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES MIRRORS, POWER WINDOWS, INTERIOR LIGHTS 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 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 TELEPHONE/TELEMATIC CONTROL MODULE (NEAR BASE OF RIGHT FRONT SEAT) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

Go to component -> Power door locks circuit, without convertible, with rear power windows (1 of 2) -> NCA WIRE

Wiring diagram nca (30 of 50)

Wiring diagram nca for Audi A4 B6 (2000-2006) (30 of 50)

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BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE FUSE 44 FUSE 5 FUSE HOLDER (LEFT END OF DASH) GRN WIRE GRY/BLU WIRE HEATED SEAT TEMP SENSOR HOT AT ALL TIMES HOT IN RUN OR START LEFT REAR BACKREST HEATING ELEMENT LEFT REAR HEATED SEAT CONTROL MODULE (BEHIND CENTER CONSOLE) LEFT REAR SEAT HEATER NCA WIRE RED WIRE RED/WHT WIRE RIGHT REAR BACKREST HEATING ELEMENT RIGHT REAR HEATED SEAT CONTROL MODULE (BEHIND CENTER CONSOLE) RIGHT REAR SEAT HEATER SEAT HEATER SEAT OCCUPIED SENSOR WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

Go to component -> Rear seat heater circuit -> NCA WIRE

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