BMW 1 series F20/F21 (2011-2015) nca Wiring diagrams
This page contains all the electrical diagrams for the component. nca, in which he is found in the car BMW 1 series F20/F21 (2011-2015). 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 (42 of 60)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 (18 TO 21 PINS NOT USED) 22
AERIAL DIGITAL TUNER (CONVERTIBLE)
AERIAL DIGITAL TUNER 2 (CONVERTIBLE)
BLK WIRE
BLU WIRE
BLU/RED WIRE
BLU/YEL WIRE
BRN WIRE
CAR INFORMATION COMPUTER CIC
CD CHANGER (LEFT SIDE OF REAR COMPT)
CENTRAL INFORMATION DISPLAY
COMPUTER DATA LINES SYSTEM
CONVERTIBLE W/ SATELLITE RECEIVER
COUPE
DIGITAL TUNER (LEFT SIDE OF REAR COMPT)
ELECTRONICS JUNCTION BOX
FUSE
FUSE 18
FUSE FUSE
GPS ANTENNA
GRN WIRE
GRY/GRN WIRE
GRY/RED WIRE
GRY/VIO WIRE
GRY/WHT WIRE
GRY/YEL WIRE
HOT W/ TERMINAL
JUNCTION BOX (UNDER RIGHT SIDE OF DASH)
LEFT MICROPHONE
MOST DATA BUS CIRCUIT
NCA WIRE
ORG/ WIRE
ORG/GRN WIRE
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/GRN WIRE
RED/YEL WIRE
ROOF ANTENNA (COUPE)
RTTI
SPLITTER
USB PORT
VIDEO MODULE AUX-IN (LEFT SIDE OF CONNECTION REAR COMPT)
W/O SATELLITE RECEIVER
WHT WIRE
WHT/BLK WIRE
WHT/BLU WIRE
WHT/BRN WIRE
WHT/GRN WIRE
WHT/RED WIRE
WHT/YEL WIRE
YEL WIRE
Go to component: -> Hifi radio circuit, with cic (1 of 2) -> NCA WIRE
Wiring diagram nca (43 of 60)
AMPLIFIER (LEFT SIDE OF REAR COMPT)
ANTENNA (CONVERTIBLE)
ANTENNA DIVERSITY (IF EQUIPPED)
BLK WIRE
BLU/BLK WIRE
BLU/BRN WIRE
BLU/GRN WIRE
BLU/WHT WIRE
BRN WIRE
BRN/WHT WIRE
BRN/YEL WIRE
COUPE
FM ANTENNA 2 (CONVERTIBLE)
FM ANTENNA 3 (CONVERTIBLE)
FUSE 15
GRN WIRE
GRY WIRE
GRY/GRN WIRE
GRY/VIO WIRE
GRY/WHT WIRE
GRY/YEL WIRE
HOT AT ALL TIMES
JUNCTION BOX (UNDER RIGHT SIDE OF DASH)
LEFT FRONT MID-RANGE SPEAKER
LEFT FRONT TWEETER
LEFT REAR HI-RANGE SPEAKER
LEFT SIDE TRIM PANEL MID-RANGE SPEAKER
LEFT SUBWOOFER
MOST DATA BUS CIRCUIT
NCA WIRE
REAR WINDOW AERIAL (COUPE)
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/GRY WIRE
RED/WHT WIRE
RELAY ENERGIZED
RIGHT FRONT MID-RANGE SPEAKER
RIGHT FRONT TWEETER
RIGHT REAR HI-RANGE SPEAKER
RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER
RIGHT SUBWOOFER
SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT)
W/ SATELLITE RECEIVER W/O SATELLITE RECEIVER 5 6
WHT WIRE
WHT/BLK WIRE
WHT/BLU WIRE
WHT/GRN WIRE
WHT/YEL WIRE
YEL/BRN WIRE
YEL/RED WIRE
Go to component: -> Hifi radio circuit, with cic (2 of 2) -> NCA WIRE
Wiring diagram nca (44 of 60)
AUX-IN CONNECTION
BLK WIRE
BLU WIRE
BLU/BLK WIRE
BLU/RED WIRE
BRN WIRE
BRN/ORG WIRE
CD CHANGER (LEFT SIDE OF
COMPUTER DATA LINES SYSTEM
CONTROLLER
COUPE
FUSE 14
FUSE 18
FUSE 19
FUSE 27
GRN WIRE
GRY/RED WIRE
HOT AT ALL TIMES
JUNCTION BOX (UNDER RIGHT SIDE OF DASH)
LEFT MICROPHONE
MOST DATA BUS CIRCUIT
NCA WIRE
ORG/GRN WIRE
POWER DISTRIBUTION SYSTEM
RADIO
REAR COMPT)
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/GRN WIRE
RED/VIO WIRE
RELAY ENERGIZED
ROOF ANTENNA
SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT)
SDARS ANTENNA (CONVERTIBLE)
VIO WIRE
W/ ANTENNA DIVERSITY
W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION
W/O ANTENNA DIVERSITY
W/O SATELLITE SATELLITE RECEIVER RECEIVER
W/O W/ SATELLITE SATELLITE RECEIVER RECEIVER
WHT WIRE
WHT/BLU WIRE
WHT/BRN WIRE
WHT/RED WIRE
YEL WIRE
YEL/BLK WIRE
YEL/RED WIRE
Go to component: -> Hifi radio circuit, without cic, ccc & m-ask (1 of 2) -> NCA WIRE
Wiring diagram nca (45 of 60)
AMPLIFIER (LEFT SIDE OF REAR COMPT)
ANTENNA
ANTENNA DIVERSITY (IF EQUIPPED)
BLK WIRE
BLU/BLK WIRE
BLU/BRN WIRE
BLU/GRN WIRE
BLU/RED WIRE
BLU/WHT WIRE
BRN WIRE
BRN/ORG WIRE
BRN/WHT WIRE
BRN/YEL WIRE
CONVERTIBLE COUPE
FM ANTENNA 2 (CONVERTIBLE)
FM ANTENNA 3 (CONVERTIBLE)
FUSE 15
GRY WIRE
HOT AT ALL TIMES
JUNCTION BOX (UNDER RIGHT SIDE OF DASH)
LEFT FRONT MID-RANGE SPEAKER
LEFT FRONT TWEETER
LEFT REAR HI-RANGE SPEAKER
LEFT SIDE TRIM PANEL
LEFT SUBWOOFER
MID-RANGE SPEAKER
NCA WIRE
REAR WINDOW AERIAL (COUPE)
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/GRY WIRE
RED/WHT WIRE
RELAY ENERGIZED
RIGHT FRONT MID-RANGE SPEAKER
RIGHT FRONT TWEETER
RIGHT REAR HI-RANGE SPEAKER
RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER
RIGHT SUBWOOFER
W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION
WHT WIRE
YEL/BLK WIRE
YEL/BRN WIRE
YEL/RED WIRE
Go to component: -> Hifi radio circuit, without cic, ccc & m-ask (2 of 2) -> NCA WIRE
Wiring diagram nca (46 of 60)
A/T
BATTERY
BLK WIRE
BLK/GRN WIRE
BLU WIRE
BLU/BLK WIRE
BRN WIRE
CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH)
CHARGING CIRCUIT
CLUTCH SWITCH MODULE (UNDER LEFT SIDE OF DASH)
DME CONTROL MODULE
DYNAMIC STABILITY CONTROL (LEFT REAR OF ENGINE COMPT)
GRY WIRE
JUMP
LUGGAGE WELL B+ TERMINAL POINT
M/T
NCA WIRE
RED WIRE
SIDE-IN COMPARTMENT
START-STOP BUTTON
STARTER
TERMINAL POINT (RIGHT SIDE OF ENGINE COMPT)
TRANSMISSION CONTROL
WHT WIRE
YEL WIRE
YEL/RED WIRE
Go to component: -> Starting circuit -> NCA WIRE
Wiring diagram nca (47 of 60)
BLK WIRE
BLK/VIO WIRE
BLK/WHT WIRE
BLU WIRE
BLU/BLK WIRE
BLU/BRN WIRE
BLU/GRN WIRE
BLU/GRY WIRE
BLU/YEL WIRE
BRN WIRE
BRN/BLK WIRE
COMPUTER DATA LINES SYSTEM
FUSE
GRN WIRE
GRN/WHT WIRE
GRY WIRE
GRY/BLK WIRE
GRY/BRN WIRE
GRY/GRN WIRE
GRY/VIO WIRE
GRY/WHT WIRE
GRY/YEL WIRE
HOT AT ALL TIMES
HOT IN ON OR START
JUNCTION BOX (UNDER RIGHT SIDE OF DASH)
K CAN L K CAN H
LEFT FRONT SEAT BELT FORCE LIMITER GENERATOR (COUPE)
LEFT REAR BELT PRETENSIONER (COUPE)
MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE)
NCA WIRE
ORG/GRN WIRE
PASSENGER AIR BAG DEACTIVATION SWITCH (RIGHT END OF DASH, NEAR RIGHT FRONT DOOR)
POS - POS +
RED WIRE
RED/YEL WIRE
RIGHT "B" PILLAR AIR BAG SENSOR (RIGHT REAR SIDE OF INTERIOR PANEL) (COUPE)
RIGHT FRONT SEAT BELT FORCE LIMITER GENERATOR (COUPE)
RIGHT REAR BELT PRETENSIONER (COUPE)
ROLLOVER PROTECTION CONTROLLER (CONVERTIBLE) (BEHIND LEFT REAR SEAT)
STEERING COLUMN SWITCH CLUSTER
VIO WIRE
VIO/RED WIRE
WHT WIRE
WHT/BLK WIRE
WHT/BRN WIRE
YEL WIRE
YEL/BLK WIRE
YEL/BRN WIRE
Go to component: -> Supplemental restraints circuit (1 of 2) -> NCA WIRE
Wiring diagram nca (48 of 60)
AIR BAG IND
BLK WIRE
BLK/GRN WIRE
BLK/RED WIRE
BLU WIRE
BLU/BLK WIRE
BLU/BRN WIRE
BLU/GRN WIRE
BLU/GRY WIRE
BLU/RED WIRE
BLU/VIO/YEL WIRE
BLU/WHT WIRE
BLU/YEL WIRE
BRN WIRE
BRN/BLK WIRE
CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH)
CENTER ROOF FUNCTION CONTROL
DIODE PANEL
DRIVER SEAT POSITION SENSOR
DRIVER'S SEAT BELT BUCKLE CONTACT
FRONT PASSENGER'S SEAT POSITION SENSOR
GRN WIRE
GRN/VIO WIRE
GRN/WHT WIRE
GRN/YEL WIRE
GRY/BLK WIRE
GRY/BRN WIRE
GRY/GRN WIRE
GRY/VIO WIRE
GRY/WHT WIRE
GRY/YEL WIRE
L B PILLAR SENS L B PILLAR SENS L B PILLAR SENS
MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE)
NCA WIRE
PASSENGER'S SEAT BELT BUCKLE CONTACT
R B PILLAR SIG R B PILLAR SIG R B PILLAR SIG
RED WIRE
SEAT OCCU SIG RF SBF LIM GENT RF SBF LIM GENT
SEAT OCCUPANCY R B PILLAR SIG LF SBF LIM GENT CRASH SIG
SEAT OCCUPANCY RECOGNITION
TCU
VIO WIRE
VIO/BLU WIRE
VIO/RED WIRE
WHT WIRE
WHT/BLK WIRE
WHT/BRN WIRE
WHT/RED WIRE
WHT/YEL WIRE
YEL WIRE
YEL/BLK WIRE
YEL/BRN WIRE
YEL/RED WIRE
Go to component: -> Supplemental restraints circuit (2 of 2) -> NCA WIRE
Wiring diagram nca (49 of 60)
ANTI-THEFT SYSTEM
BLK WIRE
BLK/BLU WIRE
BLK/GRN WIRE
BLK/VIO WIRE
BLK/WHT WIRE
BLK/YEL WIRE
BLU WIRE
BLU/BLK WIRE
BRN WIRE
BRN/BLK WIRE
BRN/VIO WIRE
BRN/WHT WIRE
COMPUTER DATA LINES SYSTEM
ELECTRONICS JUNCTION BOX
FOOTWELL MODULE (UNDER LEFT SIDE OF DASH)
FUSE 22
FUSE 63
FUSE 65
GEAR INDICATOR LIGHT
GRN WIRE
GRY WIRE
GRY/RED WIRE
HOT AT ALL TIMES
JUNCTION BOX (UNDER RIGHT SIDE OF DASH)
LEFT MULTI- FUNCTION STEERING WHEEL SWITCH BLOCK
LEFT ROCKER SWITCH
NCA WIRE
POWER DISTRIBUTION SYSTEM
RED WIRE
RED/BLK WIRE
RED/YEL WIRE
RELAY
RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK
RIGHT ROCKER SWITCH
SELECTOR LEVER POSITION SWITCH (UNDER SHIFTER, IN CENTER CONSOLE)
SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE)
STEERING COLUMN SWITCH CLUSTER
STEPTRONIC SWITCH (UNDER SHIFTER, IN CENTER CONSOLE)
TERMINAL
TRANSMISSION CONTROL UNIT
WHT WIRE
WHT/BLK WIRE
WHT/BLU WIRE
WHT/GRN WIRE
WHT/VIO WIRE
YEL WIRE
YEL/BLK WIRE
YEL/BLU WIRE
YEL/GRN WIRE
YEL/RED WIRE
YEL/WHT WIRE
Go to component: -> Transmission circuit -> NCA WIRE
Wiring diagram nca (50 of 60)
BLK WIRE
BLU WIRE
BLU/BRN WIRE
BLU/RED WIRE
BRN WIRE
COMPUTER DATA LINES SYSTEM
COUPE CONVERTIBLE
ELECTRONICS JUNCTION BOX
FUSE
FUSE 50
GRN WIRE
HEADLIGHT CLEANING SYSTEM RELAY
HEADLIGHT WASHER PUMP
HOT AT ALL TIMES
HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) FUSE
INSTRUMENT CLUSTER CONTROL UNIT
JUNCTION BOX (UNDER
LEFT HEATED WASHER NOZZLE
NCA WIRE
ORG/ WIRE
ORG/GRN WIRE
OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER)
RAIN/HEADLIGHT SENSOR (CENTER OF WINDSHIELD)
RED WIRE
RIGHT HEATED WASHER NOZZLE
ROOF FUNCTION CONTROL CENTER
VIO WIRE
WASHER FLUID LEVEL SWITCH (BEHIND RIGHT FRONT WHEEL)
WHT WIRE
WIND- SHIELD WASHER PUMP
WIPER MOTOR (LEFT SIDE OF WIND- SHIELD)
WIPER RELAY 1
WIPER RELAY 2
Go to component: -> Wiper/washer circuit -> NCA WIRE
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