Car Wiring Diagrams for Audi A4 B7 (2004-2009)

Wiring diagram nca (41 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (41 of 71)

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45 42 2.0L 3.2L BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP CONTROL MODULE (BEHIND RIGHT QUARTERPANEL) CONVERTIBLE TOP FRAME POSITION SENSOR (AT RIGHT CONVERTIBLE TOP MAIN MOUNT) CONVERTIBLE TOP LOCK SWITCHES, LOCKING MOTOR (CENTER FRONT OF CONVERTIBLE TOP) CONVERTIBLE TOP OPERATION SWITCH DEFOGGER SYSTEM ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPARTMENT, IN PLENUM CHAMBER) FUSE FUSE HOLDER GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

Go to component -> Convertible top circuit (1 of 2) -> NCA WIRE

Wiring diagram nca (42 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (42 of 71)

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AMPLIFIER BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE (BELOW DRIVER'S SEAT) COMPARTMENT COVER LOCKED RIGHT SWITCH 1 (RIGHT SIDE OF CONVERTIBLE TOP COMPT) COMPARTMENT COVER OPEN POSITION SWITCH (RIGHT SIDE OF CONVERTIBLE TOP COMPT) CONVERTIBLE TOP CLOSED POSITION SWITCH (RIGHT SIDE OF CONVERTIBLE TOP COMPT) CONVERTIBLE TOP FRONT LOCK SWITCH (TOP CENTER OF WIND- SHIELD HEADER) CONVERTIBLE TOP HYDRAULIC PUMP CONVERTIBLE TOP HYDRAULIC PUMP RELAY CONVERTIBLE TOP HYDRAULIC PUMP RELAY 2 CONVERTIBLE TOP OPEN POSITION SWITCH (RIGHT SIDE OF CONVERTIBLE TOP COMPT) CONVERTIBLE TOP OPERATION FUSE (FUSE 67) CONVERTIBLE TOP OPERATION HYDRAULIC UNIT (RIGHT SIDE OF LUGGAGE COMPT) CONVERTIBLE TOP RIGHT LOCK SWITCH (RIGHT SIDE OF WIND- SHIELD HEADER) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT CONVERTIBLE TOP COMPARTMENT COVER SWITCH NCA WIRE POWER CONVERTIBLE TOP VALVE 1 POWER CONVERTIBLE TOP VALVE 2 POWER CONVERTIBLE TOP VALVE 3 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

Go to component -> Convertible top circuit (2 of 2) -> NCA WIRE

Wiring diagram nca (43 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (43 of 71)

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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 FRONT PASSENGER'S BACKREST HEATING ELEMENT FRONT PASSENGER'S SEAT HEATER FUSE 44 FUSE HOLDER 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 RED WIRE RED/WHT WIRE SEAT HEATER SIDE BOLSTER HEATER SIDE BOLSTER HEATER 2 STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE STEERING WHEEL CONTROL UNIT WHT WIRE YEL WIRE YEL/BLU WIRE

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

Wiring diagram nca (44 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (44 of 71)

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A/T AFTER- ABS CONTROL MODULE (W/ EDL) ABS CONTROL MODULE FUSE 1 FUSE 123 AIR QUALITY LEFT SENSOR, HEADLIGHT HIGH PRESSURE ASSEMBLY SENSOR BATTERY BLK WIRE BLU WIRE BRN WIRE CIGARETTE LIGHTER CLIMATRONIC CONTROL MODULE CONVER- TIBLE TOP OPERATION FUSE CONVERTIBLE TOP CONTROL MODULE TELEPHONE TRANSCEIVER DRIVER SIDE DOOR CONTROL MODULE FUSE FUSE 1 FUSE 10 FUSE 11 FUSE 17 FUSE 22 FUSE 3 FUSE 43 FUSE 31 FUSE 16 FUSE 33 FUSE 34 FUSE 36 FUSE 37 FUSE 5 FUSE 7 FUSE 6 FUSE 18 FUSE 8 FUSE 30 FUSE HOLDER FUSE STRIP (MAIN FUSE) FUSE 88 GARAGE DOOR OPENER CONTROL HEAD, GARAGE DOOR OPENER CONTROL MODULE GRN WIRE GRY WIRE IGNITION/STARTER SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER, STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE LIGHT SWITCH LIGHT SWITCH SYSTEM BUTTON LIGHT SWITCH, VEHICLE ELECTRICAL SYSTEM CONTROL MODULE, LEFT HEADLIGHT ASSEMBLY LOAD REDUCTION RELAY (LEFT SIDE OF DASH) LOCK ON NCA WIRE PASSENGER SIDE DOOR CONTROL MODULE RED WIRE RED/YEL WIRE RUN WIRE SOCKET SPORT PROGRAM BUTTON STARTER GENERATOR STARTER RELAY, STARTER RELAY 2 STARTING INTERLOCK RELAY, SUPPRESSOR, ENGINE CONTROL MODULE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE TO COOLANT FAN FUSE (DIAGRAM 2 OF 2) TO FUSE HOLDER (DIAGRAM 2 OF 2) TO POWER SEAT FUSE 45 (DIAGRAM 2 OF 2) TO POWER WINDOW FUSE (DIAGRAM 2 OF 2) TO WINDOW REGULATOR FUSE (DIAGRAM 2 OF 2) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE WASHER NOZZLE HEATER (LEFT/RIGHT) YEL WIRE YEL/BLK WIRE

Go to component -> Power distribution circuit, convertible (1 of 2) -> NCA WIRE

Wiring diagram nca (45 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (45 of 71)

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A/T AFTER- RUN FUSE ABS CONTROL MODULE (W/EDL) ABS CONTROL MODULE FUSE 1 AIR QUALITY SENSOR, HIGH PRESSURE SENSOR ALARM HORN, COMFORT SYSTEM CENTRAL CONTROL MODULE BATTERY BLK WIRE BLU WIRE BRN WIRE CIGARETTE LIGHTER CLIMATRONIC CONTROL MODULE DRIVER SIDE DOOR CONTROL MODULE E-BOX RELAY CARRIER (REAR OF ENGINE COMPT) ENGINE COMPT POWER SUPPLY RELAY TRANSMISSION CONTROL MODULE (TCM) (6-SPEED) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ESP SENSOR UNIT, BRAKE LIGHT SWITCH, ABS CONTROL MODULE (W/EDL) FRONT PASSENGER SIDE DOOR CONTROL MODULE FUSE 1 FUSE 10 FUSE 123 FUSE 16 FUSE 11 FUSE 22 FUSE 31 FUSE 6 FUSE 33 FUSE 36 FUSE 37 FUSE 38 FUSE 43 FUSE 3 FUSE 18 FUSE 5 FUSE 7 FUSE 8 FUSE 30 FUSE 88 FUSE HOLDER FUSE HOLDER (LEFT END OF DASH) FUSE STRIP (MAIN FUSE) GARAGE DOOR OPENER CONTROL HEAD, GARAGE DOOR OPENER CONTROL MODULE GENERATOR STARTER GRN WIRE GRY WIRE IGNITION/STARTER SWITCH INSTRUMENT CLUSTER LEFT HEADLAMP POWER OUTPUT STAGE LIGHT SWITCH LOAD REDUCTION RELAY (LEFT SIDE OF DASH) LOCK LOCK ON NCA WIRE POWER SUNROOF CONTROL MODULE REAR SHADE CIRCUIT BREAKER REAR WINDOW SHADE CONTROL MODULE REAR WINDSHIELD WIPER MOTOR (AVANT) RED WIRE RED/YEL WIRE SERVOTRONIC CONTROL MODULE STARTER RELAY STARTER, STARTING INTERLOCK RELAY, CLUTCH PEDAL STARTER INTERLOCK SWITCH STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE TELEPHONE AMPLIFIER TELEPHONE TRANSCEIVER TO COOLANT FAN FUSE (DIAGRAM 2 OF 2) TO DRIVER'S POWER SEAT ADJUSTMENT CIRCUIT BREAKER 2 (DIAGRAM 2 OF 2) TO FUSE HOLDER (DIAGRAM 2 OF 2) TO POWER WINDOW FUSE (DIAGRAM 2 OF 2) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE WASHER NOZZLE HEATER (LEFT/RIGHT) WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Power distribution circuit, except convertible (1 of 2) -> NCA WIRE

Wiring diagram nca (46 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (46 of 71)

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9-POSITION 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 CENTRAL LOCKING WARNING LIGHT (SAFE) (DRIVER SIDE DOOR) CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT (REAR OF DRIVER'S DOOR) DRIVER'S DOOR INTERIOR LOCK SWITCH DRIVER'S SIDE DOOR CONTROL MODULE FRONT PASSENGER'S INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 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 HOT AT ALL TIMES FUSE HOLDER FUSE 24 FUSE 38 NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER COMPARTMENT MONITORING SWITCH PASSENGER SIDE CENTRAL LOCKING LOCK UNIT POWER WINDOW FUSE 37 POWER WINDOWS, INTERIOR LIGHTS SYSTEMS REAR LID LOCK CYLINDER UNLOCKING SWITCH REAR LID UNLOCK MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO 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, convertible -> NCA WIRE

Wiring diagram nca (47 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (47 of 71)

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1 2 SEDAN AVANT 9-POSITION RELAY CARRIER ANTI-THEFT SYSTEM AVANT SEDAN 1 2 BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR CONTROL MODULE DRIVER SIDE INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 FUSE 38 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER FUSE 24 INTERIOR LIGHTS, POWER WINDOW 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, ALARM SWITCH 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 TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, POWER WINDOWS, INTERIOR LIGHTS, MEMORY SYSTEMS VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

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

Wiring diagram nca (48 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (48 of 71)

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1 2 SEDAN AVANT 9-POSITION RELAY CARRIER ANTI-THEFT SYSTEM AVANT SEDAN 1 2 BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE CENTRAL LOCKING WARNING LIGHT (SAFE) COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER SIDE CENTRAL LOCKING LOCK UNIT (REAR OF DRIVER'S DOOR) DRIVER SIDE DOOR CONTROL MODULE DRIVER SIDE INTERIOR LOCK SWITCH FUEL TANK LID UNLOCK MOTOR FUSE 22 FUSE 38 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER FUSE 24 INTERIOR LIGHTS, POWER WINDOW 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, ALARM SWITCH 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 TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, POWER WINDOWS, INTERIOR LIGHTS, MEMORY SYSTEMS VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

Go to component -> Power door locks circuit, except convertible, with rear power windows (1 of 2) -> NCA WIRE

Wiring diagram nca (49 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (49 of 71)

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BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DE- FOG DOOR LOCKS SYSTEM DOOR LOCKS, INTERIOR LIGHTS, MEMORY, POWER WINDOWS, ANTI-THEFT SYSTEMS DRIVER'S INTERIOR LOCKING SWITCH DRIVER'S SIDE OUTSIDE FOLDING MIRROR EXCEPT CONVERTIBLE FOLD- AWAY FUSE 22 FUSE HOLDER HOT AT ALL TIMES MIRROR ADJUSTMENT SWITCH MIRROR FOLD AWAY SWITCH MIRROR SELECTOR SWITCH NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE OUTSIDE FOLDING MIRROR POSITION RED/GRY WIRE RED/YEL WIRE

Go to component -> Power mirrors circuit, with auto tilt-down mirrors -> NCA WIRE

Wiring diagram nca (50 of 71)

Wiring diagram nca for Audi A4 B7 (2004-2009) (50 of 71)

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

Go to component -> Rear heated seats circuit -> NCA WIRE

Audi A4 B7 (2004-2009) nca Wiring diagrams

Wiring diagram nca (41 of 71)

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Wiring diagram nca (42 of 71)

List of components:

Wiring diagram nca (43 of 71)

List of components:

Wiring diagram nca (44 of 71)

List of components:

Wiring diagram nca (45 of 71)

List of components:

Wiring diagram nca (46 of 71)

List of components:

Wiring diagram nca (47 of 71)

List of components:

Wiring diagram nca (48 of 71)

List of components:

Wiring diagram nca (49 of 71)

List of components:

Wiring diagram nca (50 of 71)

List of components:

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