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Audi A3 8P facelift 2 (2008-2013) nca Wiring diagrams

This page contains all the electrical diagrams for the component. nca, in which he is found in the car Audi A3 8P facelift 2 (2008-2013). 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..

nca wiring diagram (1 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (1 of 79)

ALL-WHEEL DRIVE CONTROL MODULE (LEFT FRONT OF REAR AXLE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE CBFA CCTA CLUTCH POSITION SENSOR (M/T) COMPUTER DATA LINES SYSTEM CRUISE CONTROL CRUISE CONTROL IND INSTRUMENT CLUSTER CONTROL MODULE DIFFERENTIAL) DIRECT SHIFT GEARBOX (DSG) MECHATRONIC (ON TRANSMISSION HOUSING) FUSE 22 FUSE 6 FUSE PANEL B (INTEGRATED IN ENGINE COMPARTMENT E-BOX) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ENERGIZED M/T MOTRONIC ENGINE CONTROL MODULE (IN CENTER OF PLENUM CHAMBER) NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/WHT WIRE STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (UNDER STEERING COLUMN) SWITCH (IF EQUIPPED) THROTTLE VALVE CONTROL MODULE (ON THROTTLE BODY) TRANSMISSION INPUT SPEED (RPM) SENSOR TRANSMISSION OUTPUT SPEED (RPM) SENSOR TRANSMISSION OUTPUT SPEED (RPM) SENSOR 2 VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

Go to component -> 2.0l turbo, cruise control circuit -> NCA WIRE

nca wiring diagram (2 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (2 of 79)

ABS CONTROL MODULE (AT RIGHT REAR OF ENGINE COMPT) ABS HYDRAULIC PUMP ABS HYDRAULIC UNIT ABS WARNING IND ASR/ESP BUTTON BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE PAD WEAR IND LAMP ASR/ESP CONTROL LAMP BRAKE PRESSURE SENSOR 1 BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING DYNAMICS REGULATION HIGH PRESSURE SWITCH VALVE 1 DRIVING DYNAMICS REGULATION HIGH PRESSURE SWITCH VALVE 2 DRIVING DYNAMICS REGULATION SWITCH VALVE 1 DRIVING DYNAMICS REGULATION SWITCH VALVE 2 FUSE 22 FUSE 4 FUSE 6 FUSE PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRY/BLU WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND RIGHT CENTER OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL B FUSE 25 (INTEGRATED IN ENGINE COMPT E-BOX) HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT FRONT ABS WHEEL SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT LEVEL CONTROL SYSTEM SENSOR (W/O ELECTRONIC DAMPING) LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR M/T NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT FRONT ABS WHEEL SPEED SENSOR (W/ ELECTRONIC DAMPING) RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR STEERING ANGLE SENSOR (BEHIND STEERING WHEEL) VACUUM SENSOR (IF EQUIPPED) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE W/ CORNERING LIGHT W/O CORNERING LIGHT WHT WIRE YEL WIRE

Go to component -> Anti-lock brakes circuit, with hill-hold assist -> NCA WIRE

nca wiring diagram (3 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (3 of 79)

2.0L TURBO ABS CONTROL MODULE (AT RIGHT REAR OF ENGINE COMPT) ABS HYDRAULIC PUMP ABS HYDRAULIC UNIT ABS WARNING IND ASR/ESP BUTTON BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE PAD WEAR IND ASR/ESP CONTROL LAMP BRAKE PRESSURE SENSOR 1 BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING DYNAMIC REGULATION HIGH PRESSURE SWITCH VALVE 1 DRIVING DYNAMIC REGULATION HIGH PRESSURE SWITCH VALVE 2 DRIVING DYNAMIC REGULATION SWITCH VALVE 1 DRIVING DYNAMIC REGULATION SWITCH VALVE 2 ESP SENSOR UNIT FUSE 16 FUSE 2 FUSE 4 FUSE 4 FUSE 2 FUSE PANEL C GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND RIGHT CENTER OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL B (INTEGRATED IN ENGINE COMPT E-BOX) HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT FRONT ABS WHEEL SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT LEVEL CONTROL SYSTEM SENSOR (W/O ELECTRONIC DAMPING) LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT FRONT ABS WHEEL SPEED SENSOR RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR STEERING ANGLE SENSOR (BEHIND STEERING WHEEL) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE W/ CORNERING LIGHT W/O CORNERING LIGHT WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Anti-lock brakes circuit, without hill-hold assist -> NCA WIRE

nca wiring diagram (4 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (4 of 79)

3 DOOR 5 DOOR ALARM HORN (IF EQUIPPED) (IN RIGHT FRONT WHEELWELL) ANTENNA AMPLIFIER 2 BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CENTRAL LOCKING, ANTI-THEFT ALARM SYSTEM ANTENNA COMPUTER DATA LINES SYSTEM FRONT HOOD SWITCH (BASE OF ENGINE COMPT HOOD LATCH) FUSE 17 FUSE PANEL C GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR CENTRAL LOCKING LOCK UNIT NCA WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING BRAKE CONTACT SWITCH PASSENGER COMPARTMENT MONITORING, ALARM SYSTEM OFF SWITCHES REAR LID CENTRAL LOCKING SYSTEM MOTOR REAR WINDOW GLASS BREAKAGE SENSOR (W/ ANTI-THEFT ALARM) REAR/CENTER CENTRAL LOCKING SWITCH RED GRN/ WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE TRUNK LID ALARM SWITCH TRUNK LID ALARM SWITCH, REAR LID CENTRAL LOCKING SYSTEM MOTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO/BLU WIRE VIO/WHT WIRE W/O NAVIGATION W/ NAVIGATION WHT WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED WIRE

Go to component -> Anti-theft circuit (2 of 2) -> NCA WIRE

nca wiring diagram (5 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (5 of 79)

A/C COMPRESSOR REGULATOR VALVE (REAR OF A/C COMPRESSOR) BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CLIMATRONIC CONTROL MODULE EVAPORATOR VENT TEMPERATURE SENSOR (RIGHT FRONT OF CENTER CONSOLE) FRESH AIR BLOWER (UNDER RIGHT SIDE OF DASH) FRESH AIR BLOWER CONTROL MODULE (BELOW RIGHT SIDE OF DASH) FUSE 16 FUSE 22 FUSE 37 FUSE 4 FUSE PANEL C GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED LEFT FOOTWELL VENT TEMPERATURE SENSOR (LEFT SIDE OF HVAC UNIT) LEFT TEMPERATURE FLAP MOTOR, POTENTIOMETER/ ACTUATOR (LEFT SIDE OF HVAC UNIT) NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL VENT TEMPERATURE SENSOR (TOP RIGHT SIDE OF HVAC UNIT) SEATS SYSTEM W/ HEATED SEATS WHT/BLU WIRE

Go to component -> Automatic a/c circuit (1 of 3) -> NCA WIRE

nca wiring diagram (6 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (6 of 79)

AFTER-RUN COOLANT PUMP (LEFT SIDE OF ENGINE, BELOW OIL FILTER) BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN (OR BLK) WIRE BRN WIRE CBEA CCTA, CBFA CBFA CBFA CCTA CCTA COOLANT CIRCULATION PUMP RELAY (CBFA) (ON FUSE PANEL "B") COOLANT CIRCULATION PUMP RELAY (CCTA) (ON FUSE PANEL "B") COOLANT FAN COOLANT FAN 2 (FRONT OF ENGINE COMPT, BEHIND RADIATOR) COOLANT FAN CONTROL (FC) CONTROL MODULE (FRONT OF ENGINE COMPARTMENT) ENGINE CONTROL MODULE (REAR OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON RADIATOR) (ON LOWER RADIATOR HOSE) ENGINE COOLANT TEMPERATURE SENSOR (2.0L TURBO: RIGHT EXCEPT CBFA FUSE 23 FUSE 24 FUSE PANEL B (INTEGRATED IN ENGINE COMPT E-BOX) HOT AT ALL TIMES FUSE PANEL A FUSE 3 HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED NCA WIRE REAR OF ENGINE) (2.0L TURBO DIESEL: LEFT REAR OF ENGINE) RED/BLU WIRE RED/WHT WIRE VIO/RED WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

Go to component -> Automatic a/c circuit (3 of 3) -> NCA WIRE

nca wiring diagram (7 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (7 of 79)

ABS CONTROL MODULE (AT RIGHT REAR OF ENGINE COMPT) ALL WHEEL DRIVE CONTROL MODULE (LEFT FRONT OF REAR AXLE DIFFERENTIAL) AUTOMATIC DAY/ NIGHT INTERIOR MIRROR (IF EQUIPPED) BLK/GRY WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE DATA LINK CONNECTOR DIRECT SHIFT GEARBOX MECHATRONIC (IF EQUIPPED) (ON TRANSMISSION HOUSING) ELECTRONIC DAMPING CONTROL MODULE (UNDER FRONT PASSENGER'S SEAT) ENGINE CONTROL MODULE (REAR OF ENGINE COMPT) FUSE 1 FUSE 12 FUSE 16 FUSE PANEL B (INTEGRATED IN ENGINE COMPT E-BOX) GRY/WHT WIRE HEADLIGHT RANGE CONTROL MODULE (BEHIND RIGHT CENTER OF DASH) HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED HOT W/ POWER SUPPLY RELAY 2 (TERMINAL 15) ENERGIZED FUSE FUSE 2 PANEL LEFT HEADLAMP POWER OUTPUT STAGE (W/ CORNERING LIGHT) LIGHT NCA WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/RED WIRE ORG/VIO WIRE PARKING AID CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) POWER STEERING CONTROL MODULE (BELOW STEERING RACK) RED/BLK WIRE RED/YEL WIRE RIGHT HEADLAMP POWER OUTPUT STAGE (W/ CORNERING LIGHT) SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (LEFT SIDE OF SELECTOR LEVER BASE) VIO WIRE W/ CORNERING LIGHT W/O CORNERING W/ HILL HOLD ASSIST W/O HILL-HOLD ASSIST W/ HILL-HOLD ASSIST WIPER MOTOR CONTROL MODULE (INTEGRAL TO WINDSHIELD WIPER MOTOR)

Go to component -> Computer data lines circuit (1 of 2) -> NCA WIRE

nca wiring diagram (8 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (8 of 79)

AFTER-RUN COOLANT PUMP (LEFT SIDE OF ENGINE, BELOW OIL FILTER) BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN (OR BLK) WIRE BRN WIRE CBEA CCTA, CBFA CBFA CCTA COOLANT CIRCULATION PUMP RELAY (CBFA) (ON FUSE PANEL "B") COOLANT CIRCULATION PUMP RELAY (CCTA) (ON FUSE PANEL "B") COOLANT FAN COOLANT FAN 2 (FRONT OF ENGINE COMPT, BEHIND RADIATOR) COOLANT FAN CONTROL (FC) CONTROL MODULE (FRONT OF ENGINE COMPARTMENT) ENGINE CONTROL MODULE (REAR OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (2.0L TURBO: RIGHT ENGINE COOLANT TEMPERATURE SENSOR (ON RADIATOR) (ON LOWER RADIATOR HOSE) EXCEPT CBFA FUSE 23 FUSE PANEL B (INTEGRATED IN FUSE ENGINE COMPT E-BOX) HOT AT ALL TIMES FUSE PANEL A FUSE 3 HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED NCA WIRE REAR OF ENGINE) (2.0L TURBO DIESEL: LEFT REAR OF ENGINE) RED/BLU WIRE RED/WHT WIRE VIO/RED WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

Go to component -> Cooling fan circuit -> NCA WIRE

nca wiring diagram (9 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (9 of 79)

2.0L CBFA AIR BAG SPIRAL SPRING/RETURN SPRING (W/ SLIP RING) (BEHIND STEERING WHEEL) BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CRUISE CONTROL SWITCH DRIVER'S DRIVER'S SIGNAL HORN AIR BAG AIR BAG ACTIVATION IGNITER 2 IGNITER EXCEPT 2.0L CBFA FUSE 6 (INTEGRATED IN ENGINE COMPT E-BOX) FUSE PANEL B GRY WIRE HOT AT ALL TIMES IGNITION SWITCH KEY LOCK SOLENOID IGNITION/STARTER SWITCH LEFT MULTI-FUNCTION BUTTONS MODE MULTI-FUNCTION STEERING WHEEL CONTROL MODULE NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT MULTI-FUNCTION BUTTONS STEERING ANGLE SENSOR (BEHIND STEERING WHEEL) STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (UNDER STEERING COLUMN) STEERING WHEEL CONTROL MODULE SUPPLEMENTAL RESTRAINTS SYSTEM TIPTRONIC DOWNSHIFT BUTTON TIPTRONIC UPSHIFT BUTTON TURN SIGNAL SWITCH VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) W/ HILL HOLD ASSIST WHT WIRE WINDSHIELD WIPER/ WASHER SWITCH YEL WIRE YEL/BLU WIRE

Go to component -> Steering column electronic systems control module circuit -> NCA WIRE

nca wiring diagram (10 of 79)

Audi A3 8P facelift 2 (2008-2013) nca wiring diagram (10 of 79)

BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FUSE FUSE 16 FUSE PANEL B (INTEGRATED IN ENGINE COMPT E-BOX) FUSE PANEL C GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SOUND SYSTEMS STARTING/CHARGING SYSTEM STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE CIRCUIT VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF DASH) VIO/BLK WIRE VIO/YEL WIRE W/ HILL HOLD ASSIST WHT WIRE WHT/YEL WIRE YEL WIRE

Go to component -> Vehicle electrical system control module circuit (2 of 2) -> NCA WIRE

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