Lexus NX AZ20 (2021-2024) nca Wiring diagrams
This page contains all the electrical diagrams for the component. nca, in which he is found in the car Lexus NX AZ20 (2021-2024). 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 (11 of 28)
2.5L
2.5L HYBRID
AB (RIGHT REAR OF ENGINE COMPT)
AMBIENT TEMPERATURE SENSOR (THERMISTOR ASSEMBLY)
BLK WIRE
BLOWER MOTOR W/ FAN SUB-ASSEMBLY
BLU WIRE
COMPRESSOR W/ MOTOR ASSEMBLY (2.5L HYBRID) (LEFT SIDE OF ENGINE)
COMPUTER DATA LINES SYSTEM
CRANK POSITION SENSOR
DOUT
ECM (LEFT SIDE OF ENGINE COMPT)
ECU-IGP 3 FUSE
EFI 1 FUSE
EFI 5 FUSE
ENGINE COOLANT TEMPERATURE SENSOR
ENGINE ROOM R/B 1
FAN FUSE
FAN W/ MOTOR ASSEMBLY
GRN WIRE
GRY WIRE
HOT AT ALL TIMES
HOT W/ EFI-MAIN 1 RELAY ENERGIZED
HOT W/ IGP 1 RELAY ENERGIZED
HTR FUSE
HYBRID VEHICLE CONTROL ECU (LEFT END OF DASH)
LT BLU WIRE
NCA WIRE
NE+
ORG/ WIRE
ORG/BLU WIRE
ORG/LT GRN WIRE
PNK WIRE
PPL
PPL/LT BLU WIRE
PPL/RED WIRE
PPL/VIO WIRE
RED WIRE
RFC
VCNE
VIO WIRE
WATER TEMPERATURE SENSOR (2.4L TURBO) (LEFT SIDE OF ENGINE)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> Automatic a/c circuit (2 of 3) -> NCA WIRE
Wiring diagram nca (12 of 28)
2.5L
ALT FUSE
BATT-S 1 FUSE
BATT-S 2 FUSE
BATTERY
BATTERY STATE SENSOR ASSEMBLY
BBC 2 FUSE
BLK (OR BLK/RED) WIRE
BLK WIRE
BLK/DK GRN WIRE
BM WA
CAN I/F
COMBINATION METER ASSEMBLY
COMPUTER DATA LINES SYSTEM
DISPLAY DRIVER
ENGINE ROOM J/B 1
ENGINE ROOM R/B 1
ENGINE STOP, START ECU
FUSIBLE LINK BLOCK
GENERATOR ASSEMBLY
GRY WIRE
HOT W/ IGR 1 RELAY ENERGIZED
LT BLU WIRE
MAIN FUSE
METER-IGR FUSE
NCA WIRE
POWER DISTRIBUTION BOX ASSEMBLY
PPL ES
PPL/VIO WIRE
RBAT
RED WIRE
STARTER ASSEMBLY
W/ STOP/ START SYSTEM
W/O STOP/ START SYSTEM
WHT WIRE
Go to component -> Charging circuit -> NCA WIRE
Wiring diagram nca (13 of 28)
2.5L HYBRID
2.5L, 2.4L TURBO
BLK WIRE
BLK/RED WIRE
BLU WIRE
BLU/YEL WIRE
CAN I/F
CEB+
CEG
CEV-
COMBINATION METER ASSEMBLY
COMPUTER DATA LINES SYSTEM
DISPLAY
EC+
ECI+
ECU- DCC 3 FUSE
ECU-DCC 2 FUSE
ECU-IGR 2 FUSE
ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY
ENGINE ROOM R/B 1
ENGINE STOP, START ECU
FUEL/TEMP
GAUGE TELLTALE
GRN WIRE
GRY WIRE
HOT AT ALL TIMES
HOT W/ IGR 2 RELAY ENERGIZED
INNER MIRROR CAMERA ASSEMBLY
INNER REAR VIEW MIRROR ASSEMBLY
LED
LEFT OUTER MIRROR CONTROL ECU ASSEMBLY
LEFT OUTER REAR VIEW MIRROR ASSEMBLY
LT GRN WIRE
MAP LIGHT SUB-ASSEMBLY
MIRROR
NCA WIRE
PNK WIRE
POWER DISTRIBUTION BOX ASSEMBLY
PPL
PPL/BLK WIRE
PPL/GRN WIRE
PPL/RED WIRE
PPL/VIO WIRE
RED WIRE
RIGHT END OF DASH)
SGND
W/ DIGITAL INNER MIRROR
WHT WIRE
WHT/BLK WIRE
Go to component -> Electrochromic mirror circuit -> NCA WIRE
Wiring diagram nca (14 of 28)
1) LEFT TURN 2) LEFT LANE CHANGE 3) NEUTRAL 4) RIGHT LANE CHANGE 5) RIGHT TURN
BLU WIRE
CAN I/F
COMBINATION METER ASSEMBLY
COMPUTER DATA LINES SYSTEM
ECU-IGR 1 FUSE
ECU-IGR 2 FUSE
ECU-IGR 4 FUSE
FORWARD RECOGNITION CAMERA
FORWARD RECOGNITION HOOD W/ HEATER SUB-ASSEMBLY
GRN WIRE
GRY WIRE
GVIF
HOT W/ IGR 1 RELAY ENERGIZED
HOT W/ IGR 2 RELAY ENERGIZED
HTR
IGB
LANE DEPARTURE WARNING SWITCH
LT BLU WIRE
LT GRN WIRE
METER-IGR FUSE
MILLIMETER WAVE RADAR SENSOR ASSEMBLY
NCA WIRE
PNK LKSW WIRE
POWER DISTRIBUTION BOX ASSEMBLY
PPL
PPL DC
PPL SGND
PPL/BLK WIRE
PPL/BLU WIRE
PPL/LT BLU WIRE
PPL/RED WIRE
PPL/VIO WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT STEERING SWITCH
SGND
SPIRAL CABLE SUB-ASSEMBLY
STEERING COLUMN)
STEERING PAD SWITCH ASSEMBLY
STEERING SENSOR
STEERING WHEEL SWITCH HOUSING
TURN SIGNAL SWITCH
WHT WIRE
WHT/BLK WIRE
Go to component -> Lane departure warning circuit -> NCA WIRE
Wiring diagram nca (15 of 28)
ACCO
BLK WIRE
BLU WIRE
CB+
CGND
COMPUTER DATA LINES SYSTEM
CSW+
CV+
DC (RIGHT SIDE OF DASH)
ECU-ACC FUSE
ECU-B 3 FUSE
ECU-IGR 1 FUSE
ENGINE ROOM R/B 1
GB+
GGND
GRN WIRE
GRY WIRE
GVIF
GVO+
HOT AT ALL TIMES
HOT W/ ACC RELAY ENERGIZED
HOT W/ IGR 1 RELAY ENERGIZED
IGR
LANE DEPARTURE WARNING CIRCUIT
LT GRN WIRE
NAVIGATION SYSTEM
NCA WIRE
ORG/ WIRE
PARKING ASSIST ECU (W/ PANORAMIC VIEW MONITOR SYSTEM) (UNDER CENTER CONSOLE)
POWER DISTRIBUTION BOX ASSEMBLY
POWER DISTRIBUTION SYSTEM
PPL
PPL/BLK WIRE
PPL/BLU WIRE
PPL/GRN WIRE
PPL/LT GRN WIRE
PPL/RED WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
REAR TELEVISION CAMERA ASSEMBLY
RED WIRE
REVD
RSW
SGND
SHIELD
SWG
TV FUSE
VIO WIRE
W/ FORWARD RECOGNITION CAMERA
W/O FORWARD RECOGNITION CAMERA
W/O PANORAMIC VIEW MONITOR SYSTEM
WHT WIRE
Go to component -> Navigation circuit (1 of 5) -> NCA WIRE
Wiring diagram nca (16 of 28)
+BA
BLK WIRE
BLU WIRE
BRN WIRE
GRY WIRE
LEFT STEERING PAD SWITCH
LT BLU WIRE
LT GRN WIRE
MODE
NCA WIRE
ON/OFF HOOK
PPL/BLU WIRE
PPL/GRN WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT STEERING PAD SWITCH
RIGHT TELEPHONE MICROPHONE ASSEMBLY
SEEK
SHIELD
SPIRAL CABLE SUB-ASSEMBLY
STEERING COLUMN)
STEERING PAD SWITCH ASSEMBLY
STEREO JACK ADAPTER ASSEMBLY 1
UDO+
UJSS
UPI
VOICE
VOL (-)
W/O HEADUP DISPLAY
WHT WIRE
Go to component -> Navigation circuit (2 of 5) -> NCA WIRE
Wiring diagram nca (17 of 28)
BLK WIRE
BLU WIRE
BRN WIRE
COMPUTER DATA LINES SYSTEM
ETH (-)
GRN WIRE
GRY WIRE
HOT W/ IGR 1 RELAY ENERGIZED
LT BLU WIRE
LT GRN WIRE
METER-IGR FUSE
MI+
MIN
MO-
NCA WIRE
ORG/ WIRE
PNK WIRE
POWER DISTRIBUTION BOX ASSEMBLY
PPL/VIO WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
SGND
SHIELD
SLDI
SLDO
SNS
STEREO COMPONENT AMPLIFIER ASSEMBLY
USB
USBG
USBS
USBV
VOR-
WHT WIRE
WUI
WUO
YEL WIRE
Go to component -> Navigation circuit (3 of 5) -> NCA WIRE
Wiring diagram nca (18 of 28)
BLK WIRE
BLK/RED WIRE
BLU WIRE
BLU/YEL WIRE
CAN I/F
CEB+
CEG
CEV-
COMBINATION METER ASSEMBLY
COMPUTER DATA LINES SYSTEM
DISPLAY
EC MIRROR
EC+
ECI+
ECU- DCC 3 FUSE
ECU-DCC 2 FUSE
ECU-IGR 2 FUSE
ENGINE ROOM R/B 1
GRN WIRE
GRY WIRE
HOT AT ALL TIMES
HOT W/ IGR 2 RELAY ENERGIZED
INNER MIRROR CAMERA ASSEMBLY
INNER REAR VIEW MIRROR ASSEMBLY
LED
LEFT OUTER MIRROR CONTROL ECU ASSEMBLY
LEFT OUTER REAR VIEW MIRROR ASSEMBLY
LT GRN WIRE
MAP LIGHT SUB-ASSEMBLY
NCA WIRE
PNK WIRE
POWER DISTRIBUTION BOX ASSEMBLY
PPL
PPL/BLK WIRE
PPL/GRN WIRE
PPL/RED WIRE
PPL/VIO WIRE
RED WIRE
RIGHT END OF DASH)
SGND
TELLTALES
W/ DIGITAL INNER MIRROR
WHT WIRE
WHT/BLK WIRE
Go to component -> Power mirrors circuit -> NCA WIRE
Wiring diagram nca (19 of 28)
2.5L
ALT FUSE
BATTERY
BLK WIRE
BLK/DK GRN WIRE
BLU WIRE
BM WA
CERTIFICATION ECU
COMPUTER DATA LINES SYSTEM
ENGINE ROOM J/B 1
ENGINE ROOM R/B 1
ENGINE STOP, START ECU
ENGINE SWITCH
FUSIBLE LINK BLOCK
GRN WIRE
GRY WIRE
LT BLU WIRE
MAIN FUSE
NCA WIRE
NEO
ORG/ WIRE
PPL/BLK WIRE
PPL/LT GRN WIRE
PPL/RED WIRE
RED WIRE
ST 1 FUSE
ST 1 RELAY
STAR
STARTER ASSEMBLY
WHT WIRE
Go to component -> Starting circuit -> NCA WIRE
Wiring diagram nca (20 of 28)
AIR BAG SENSOR ASSEMBLY
BLK WIRE
BLU WIRE
BRN WIRE
CANN
CANP
COMPUTER DATA LINES SYSTEM
DCM FUSE
ECU-IGR 1 FUSE
ETH (-)
GRN WIRE
GSW
HOT AT ALL TIMES
HOT W/ IGR 1 RELAY ENERGIZED
LEFT TELEPHONE MICROPHONE ASSEMBLY
LT BLU WIRE
LT GRN WIRE
MCI-
MCO-
MCVD
MIN
MUTE
NCA WIRE
ORG/ WIRE
PNK WIRE
POWER DISTRIBUTION BOX ASSEMBLY
PPL/BLK WIRE
PPL/BLU WIRE
PPL/LT GRN WIRE
PPL/RED WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT TELEPHONE MICROPHONE ASSEMBLY
SGND
SHIELD
SIG
SLPD
SNS
SPI+
SPO-
TELEMATICS TRANSCEIVER
USB
USBG
USBS
USBV
VIO WIRE
VOR-
VOT+
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> Telematics circuit (1 of 2) -> NCA WIRE
