Audi A4 B8 (2007-2012) nca Wiring diagrams
This page contains all the electrical diagrams for the component. nca, in which he is found in the car Audi A4 B8 (2007-2012). 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 (61 of 70)
2.0L
3.0L
ACCESS/START AUTHORIZATION BUTTON (W/ START/ STOP BUTTON)
AUTOMATIC TRANSMISSION HYDRAULIC PRESSURE SENSOR 1
AUTOMATIC TRANSMISSION HYDRAULIC PRESSURE SENSOR 2
BLK/VIO WIRE
BLU/BLK WIRE
BLU/GRY WIRE
BRN RED/ WIRE
BRN WIRE
COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK)
COMPUTER DATA LINES SYSTEM
DIRECT SHIFT GEARBOX (DSG) MECHATRONIC
DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH)
ENGINE COMPT)
FUSE 1
FUSE CARRIER 1 FUSE 10
GEAR POSITION DISTANCE SENSOR 1
GEAR POSITION DISTANCE SENSOR 2
GEAR POSITION DISTANCE SENSOR 3
GEAR POSITION DISTANCE SENSOR 4
GRN/GRY WIRE
GRN/VIO WIRE
GRN/YEL WIRE
GRY WIRE
GRY/BLK WIRE
GRY/WHT WIRE
GRY/YEL WIRE
HOT AT ALL TIMES
HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED
NCA WIRE
ORG/BLK WIRE
ORG/BRN WIRE
POWER DISTRIBUTION SYSTEM
RED/BRN WIRE
SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT)
TEMPERATURE SENSOR (IN CONTROL MODULE)
TRANSMISSION CONTROL MODULE (TCM)
TRANSMISSION PARK SELECTOR SWITCH, SHIFT LOCK SOLENOID
VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH)
Go to component -> A/t circuit, with direct shift (1 of 2) -> NCA WIRE
nca wiring diagram (62 of 70)
CLUTCH OIL TEMPERATURE SENSOR
DRIVE POSITION SENSOR
MAIN PRESSURE VALVE
NCA WIRE
OIL COOLING VALVE
SUB-TRANSMISSION 1 VALVE 1
SUB-TRANSMISSION 1 VALVE 2
SUB-TRANSMISSION 1 VALVE 3
SUB-TRANSMISSION 1 VALVE 4
SUB-TRANSMISSION 2 VALVE 1
SUB-TRANSMISSION 2 VALVE 2
SUB-TRANSMISSION 2 VALVE 3
SUB-TRANSMISSION 2 VALVE 4
TRANSMISSION ASSEMBLY
TRANSMISSION INPUT SPEED (RPM) SENSOR 1
TRANSMISSION INPUT SPEED (RPM) SENSOR 2
TRANSMISSION INPUT SPEED (RPM) SENSOR 3
Go to component -> A/t circuit, with direct shift (2 of 2) -> NCA WIRE
nca wiring diagram (63 of 70)
BLK/GRN WIRE
BLK/WHT WIRE
BLU/WHT WIRE
BRN WIRE
BRN/BLU WIRE
CD/DVD CHANGER
COMPUTER DATA LINES SYSTEM
DIGITAL RADIO ANTENNA ANTENNA AMPLIFIER 2 (RIGHT REAR OF ROOF)
DRIVER'S SEAT MULTIMEDIA
FRONT PASSENGER'S SEAT MULTIMEDIA
FUSE 1
FUSE CARRIER 2
FUSE CARRIER 4 FUSE 6
GRN/VIO WIRE
HOT AT ALL TIMES
HOT W/ SOCKETS RELAY ENERGIZED
INFORMATION ELECTRONICS CONTROL MODULE 1
LEFT FRONT MID-BASS SPEAKER
LEFT FRONT TREBLE SPEAKER
LEFT REAR MID/ LOW RANGE SPEAKER
LEFT REAR TREBLE SPEAKER
LUGGAGE COMPARTMENT RELAY/FUSE CARRIER (RIGHT SIDE OF LUGGAGE COMPT)
MOST DATA BUS CIRCUIT
NAVIGATION SYSTEM ANTENNA
NCA WIRE
PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH)
RADIO, TELEPHONE NAVIGATION SYSTEM ANTENNA (CENTER REAR OF ROOF)
RED/BLK WIRE
RED/BLU WIRE
RED/YEL WIRE
SATELLITE ANTENNA
TELEPHONE ANTENNA
TELEPHONE BASE PLATE
W/ BLUETOOTH
W/ REAR VIEW CAMERA
W/ SPEAKER PHONE
Go to component -> Radio circuit, mmi 3 standard (2 of 2) -> NCA WIRE
nca wiring diagram (64 of 70)
18 PIN CONNECTOR
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (AVANT: LEFT SIDE OF CARGO AREA)
BLK WIRE
BRN WIRE
BRN/BLU WIRE
BRN/GRY WIRE
COMPUTER DATA LINES SYSTEM
EXTERNAL AUDIO SOURCE CONNECTION
FUSE 1
FUSE 3
FUSE CARRIER 2
GRN WIRE
GRN/BLK WIRE
GRN/BLU WIRE
GRN/YEL WIRE
GRY (OR BRN) WIRE
GRY WIRE
HOT AT ALL TIMES
NCA WIRE
ORG/BRN WIRE
ORG/VIO WIRE
PASSENGER'S SIDE FUSE PANEL (BEHIND
RADIO
RADIO, TELEPHONE NAVIGATION SYSTEM ANTENNA
RED/GRN WIRE
RED/GRY WIRE
RIGHT END OF DASH)
SATELLITE ANTENNA
TELEPHONE TRANSCEIVER (UNDER FRONT PASSENGER'S SEAT)
W/ SPEAKER PHONE
W/O SPEAKER PHONE
WHT WIRE
WHT/BLK WIRE
WHT/BLU WIRE
WHT/YEL WIRE
YEL WIRE
YEL/RED WIRE
Go to component -> Radio circuit, premium infotainment (1 of 2) -> NCA WIRE
nca wiring diagram (65 of 70)
18 PIN CONNECTOR
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER 3 (SEDAN: LEFT SIDE OF TRUNK) (AVANT: LEFT SIDE OF CARGO AREA)
BLK WIRE
BRN WIRE
BRN/BLU WIRE
BRN/GRY WIRE
COMPUTER DATA LINES SYSTEM
EXTERNAL AUDIO SOURCE CONNECTION
FUSE 1
FUSE 3
FUSE CARRIER 2
GRN WIRE
GRN/BLK WIRE
GRN/BLU WIRE
GRN/YEL WIRE
GRY WIRE
HOT AT ALL TIMES
NCA WIRE
ORG/BRN WIRE
ORG/VIO WIRE
PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH)
RADIO
RADIO/TELEPHONE, NAVIGATION SYSTEM ANTENNA
RED/GRN WIRE
RED/GRY WIRE
SATELLITE ANTENNA
TELEPHONE TRANSCEIVER (UNDER FRONT PASSENGER'S SEAT)
W/ SPEAKER PHONE
W/O SPEAKER PHONE
WHT WIRE
WHT/BLK WIRE
WHT/BLU WIRE
WHT/YEL WIRE
YEL WIRE
YEL/RED WIRE
Go to component -> Radio circuit, standard infotainment (1 of 2) -> NCA WIRE
nca wiring diagram (66 of 70)
2.0L
3.0L
BATTERY
BATTERY INTERRUPT IGNITER
BATTERY JUMP
BATTERY MONITORING CONTROL MODULE (MIDDLE OF LUGGAGE COMPT, ON BATTERY)
BLK WIRE
BLK/BLU WIRE
BLK/RED WIRE
BLK/VIO WIRE
BLK/WHT WIRE
BLU/GRY WIRE
BLU/WHT WIRE
BRN WIRE
CHARGING CIRCUIT
CLUTCH POSITION SENSOR
COMFORT SYSTEM CENTRAL CONTROL MODULE (RIGHT SIDE
COMPUTER DATA LINES SYSTEM
DRIVER'S SIDE FUSE PANEL
E-BOX RELAY/ FUSE CARRIER (IN PLENUM CHAMBER ELECTRONICS BOX)
ENGINE CONTROL MODULE (ECM) (2.0L: LEFT SIDE OF ENGINE COMPT PLENUM CHAMBER)
ENGINE CONTROLS SYSTEM
FUSE
FUSE 1
FUSE 10 FUSE 16
FUSE CARRIER
FUSE CARRIER 1
FUSE CARRIER 2
FUSE PANEL
GRN/GRY WIRE
GRN/VIO WIRE
GRY/BLK WIRE
GRY/WHT WIRE
HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ENERGIZED
HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED
M/T
NCA WIRE
OF TRUNK)
ORG/BLK WIRE
ORG/BRN WIRE
POWER DISTRIBUTION SYSTEM
POWER SUPPLY RELAY (TERMINAL 15) (ON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE
PRNDS
RED WIRE
RED/BLK WIRE
RED/BRN WIRE
RELAY/FUSE CARRIER
SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT)
SHIFT INTERLOCK SYSTEM
SOCKETS RELAY (LUGGAGE COMPT RELAY/FUSE CARRIER)
STARTER
STARTER RELAY (ON E-BOX RELAY/FUSE CARRIER)
STARTER RELAY 2 (ON E-BOX RELAY/FUSE CARRIER)
SUPPLEMENTAL RESTRAINTS SYSTEM
TERMINAL (MIDDLE OF ENGINE COMPT PLENUM CHAMBER)
TRANSMISSION CONTROL MODULE (TCM) DIRECT SHIFT GEARBOX (DSG) MECHATRONIC
VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH)
VIO/GRY WIRE
W/ 6 SPEED A/T W/ CVT
W/ DIRECT SHIFT GEARBOX
W/O DIRECT SHIFT GEARBOX
Go to component -> Starting circuit -> NCA WIRE
nca wiring diagram (67 of 70)
AIR BAG CONTROL MODULE (BELOW CENTER CONSOLE)
AIR BAG SPIRAL SPRING/ RETURN SPRING
BATTERY INTERRUPT IGNITER
BLK WIRE
BLK/BRN WIRE
BLK/WHT WIRE
BLU WIRE
BLU/BLK WIRE
BLU/WHT WIRE
BRN WIRE
COMPUTER DATA LINES SYSTEM
CONTROL MODULE IN STEERING DRIVER'S AIR BAG IGNITER 2 WHEEL
DRIVER'S AIR BAG IGNITER
DRIVER'S FRONT AIR- BAG CRASH SENSOR
DRIVER'S SIDE AIR- BAG CRASH SENSOR
FRONT PASSENGER'S AIR BAG DISABLED INDICATOR LAMP
FRONT PASSENGER'S FRONT AIR BAG CRASH SENSOR
FRONT PASSENGER'S SIDE AIR BAG CRASH SENSOR
FUSE CARRIER FUSE 14
GRN WIRE
GRY WIRE
GRY/RED WIRE
HOT AT ALL TIMES
HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED
MAIN FUSE PANEL SA
NCA WIRE
ORG/BLK WIRE
ORG/BRN WIRE
POWER DISTRIBUTION SYSTEM
REAR SIDE AIR BAG CRASH SENSOR (DRIVER'S SIDE)
REAR SIDE AIR BAG CRASH SENSOR (FRONT PASSENGER'S SIDE)
RED WIRE
RED/BLK WIRE
RELAY/FUSE CARRIER LUGGAGE COMPARTMENT SF
SOLID STATE
VIO WIRE
WHT WIRE
WHT/VIO WIRE
YEL WIRE
YEL/GRY WIRE
Go to component -> Supplemental restraints circuit (1 of 3) -> NCA WIRE
nca wiring diagram (68 of 70)
AIR BAG MALFUNCTION INDICATOR LAMP (MIL)
BLK WIRE
BLK/BRN WIRE
BLK/YEL WIRE
BLU WIRE
BRN WIRE
COMPUTER DATA LINES SYSTEM
DATA BUS ON BOARD DIAGNOSTIC INTERFACE (BEHIND CENTER OF DASH)
DRIVER'S SEAT BELT TENSIONER, DRIVER'S BELT FORCE LIMITER
DRIVER'S SIDE AIR BAG IGNITER (OUTER SIDE OF DRIVER'S SEAT BACK)
FORCE LIMITER
FRONT PASSENGER'S SEAT BELT TENSIONER, FRONT PASSENGER'S BELT FORCE LIMITER
FUSE 4
FUSE 5
FUSE CARRIER
GRN WIRE
GRN/RED WIRE
GRY WIRE
GRY/BRN WIRE
GRY/RED WIRE
HOT AT ALL TIMES
IGNITER
INSTRUMENT CLUSTER
INSTRUMENT CLUSTER CONTROL MODULE
NCA WIRE
ORG/ WIRE
ORG/BLU WIRE
ORG/BRN WIRE
PANEL)
PASSENGER'S SIDE CAN SEPARATING PLUG
PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH)
RED WIRE
RED/BLK WIRE
SEAT OCCUPIED RECOGNITION CONTROL MODULE
SEAT OCCUPIED RECOGNITION PRESSURE SENSOR
SOLID STATE
VIO WIRE
WHT WIRE
YEL WIRE
YEL/GRY WIRE
Go to component -> Supplemental restraints circuit (2 of 3) -> NCA WIRE
nca wiring diagram (69 of 70)
AIR BAG CONTROL MODULE (BELOW CENTER CONSOLE)
BLK WIRE
BLK/BRN WIRE
BLK/YEL WIRE
BLU WIRE
BRN WIRE
CENTER REAR SEAT BELT TENTIONER IGNITER
DRIVER'S HEAD CURTAIN AIR BAG IGNITER
DRIVER'S SAFETY BELT SWITCH
FRONT PASSENGER'S AIR BAG IGNITER 1, 2 (BEHIND RIGHT SIDE OF DASH)
FRONT PASSENGER'S HEAD CURTAIN AIR BAG IGNITER
GRN WIRE
GRN/RED WIRE
GRN/YEL WIRE
GRY WIRE
IGNITER
LEFT REAR SEAT BELT TENTIONER IGNITER
NCA WIRE
RED WIRE
RIGHT REAR SEAT BELT TENSIONER IGNITER
SOLID STATE
VIO WIRE
VIO/WHT WIRE
WHT WIRE
YEL WIRE
YEL/GRY WIRE
Go to component -> Supplemental restraints circuit (3 of 3) -> NCA WIRE
nca wiring diagram (70 of 70)
AVANT
BLK WIRE
BLK/RED WIRE
BLU WIRE
BRN WIRE
BRN/RED WIRE
COMPUTER DATA LINES SYSTEM
DRIVER'S SIDE FUSE PANEL (BEHIND LEFT
END OF DASH)
FUSE 9
FUSE CARRIER 1 FUSE 5
FUSE CARRIER 3 FUSE 6
FUSE FUSE 12 CARRIER
FUSE FUSE 8 CARRIER
GRN WIRE
GRN/BRN WIRE
GRY/BLK WIRE
GRY/RED WIRE
HEADLAMP WASHER PUMP (IF EQUIPPED)
HOT AT ALL TIMES
HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED
INSTRUMENT CLUSTER CONTROL MODULE
LUGGAGE COMPARTMENT RELAY/FUSE CARRIER (RIGHT SIDE OF LUGGAGE COMPT)
NCA WIRE
ORG/BLU WIRE
ORG/BRN WIRE
ORG/GRN WIRE
PASSENGER'S SIDE FUSE PANEL
RAIN/LIGHT RECOGNITION SENSOR
REAR WINDOW WIPER MOTOR
RED WIRE
RED/BLU WIRE
RED/GRN WIRE
RED/WHT WIRE
VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH)
VIO/WHT WIRE
WHT WIRE
WINDSHIELD WASHER FLUID LEVEL SENSOR
WINDSHIELD WASHER PUMP
WINDSHIELD WIPER/WASHER SWITCH
WIPER CONTROL MODULE (LEFT REAR OF ENGINE COMPT, IN PLENUM CHAMBER)
Go to component -> Wiper/washer circuit -> NCA WIRE
