Toyota Corolla XII (2018-2024) left headlight unit assembly Wiring diagrams
This page contains all the electrical diagrams for the component. left headlight unit assembly, in which he is found in the car Toyota Corolla XII (2018-2024). 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..
left headlight unit assembly wiring diagram (1 of 12)
AHID
AIR CONDITIONING AMPLIFIER ASSEMBLY
BLK WIRE
BLU WIRE
BRN WIRE
CERTIFICATION ECU
COMBINATION METER ASSEMBLY
DOOR LOCKS, ANTI-THEFT SYSTEMS
GRN WIRE
GRY WIRE
HEADLIGHTS SYSTEM
IA (LEFT SIDE OF DASH)
INSTRUMENT PANEL J/B ASSEMBLY
LEFT HEADLIGHT UNIT ASSEMBLY
LLEW
LT GRN WIRE
MAIN BODY ECU
METER MIRROR SUB-ASSEMBLY
NETWORK GATEWAY ECU
PNK WIRE
RED WIRE
RIGHT END OF DASH)
RIGHT HEADLIGHT UNIT ASSEMBLY
RLEW
RWRY
VIO WIRE
W/ ADAPTIVE FRONT LIGHTING SYSTEM
W/ HEAD UP DISPLAY
WHT WIRE
WHT/BLK WIRE
WIPER/WASHER SYSTEM
YEL WIRE
Go to component -> Body control modules circuit, hatchback (2 of 2) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (2 of 12)
AHID
AIR CONDITIONING AMPLIFIER ASSEMBLY
BLK WIRE
BLU WIRE
BRN WIRE
CERTIFICATION ECU
COMBINATION METER ASSEMBLY
DOOR LOCKS, ANTI-THEFT SYSTEMS
GRN WIRE
GRY WIRE
HEADLIGHTS SYSTEM
IA (UPPER LEFT END OF DASH)
INSTRUMENT PANEL J/B
LEFT HEADLIGHT UNIT ASSEMBLY
LLEW
LT GRN WIRE
MAIN BODY ECU
NETWORK GATEWAY ECU
PNK WIRE
RED WIRE
RIGHT HEADLIGHT UNIT ASSEMBLY
RLEW
VIO WIRE
W/ ADAPTIVE FRONT LIGHTING SYSTEM
WHT WIRE
WHT/BLK WIRE
WIPER/WASHER SYSTEM
YEL WIRE
Go to component -> Body control modules circuit, sedan (2 of 2) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (3 of 12)
AIR CONDITIONING AMPLIFIER ASSEMBLY
BLK WIRE
BLU WIRE
BRN WIRE
CERTIFICATION ECU
FORWARD RECOGNITION CAMERA
GRN WIRE
GRY WIRE
LEFT "C" PILLAR)
LEFT HEADLIGHT UNIT ASSEMBLY
LT BLU WIRE
LT GRN WIRE
METER MIRROR SUB-ASSEMBLY
MILLIMETER WAVE RADAR SENSOR ASSEMBLY
PNK WIRE
RED WIRE
RIGHT END OF DASH)
RIGHT HEADLIGHT UNIT ASSEMBLY
VIO WIRE
W/ ADAPTIVE FRONT LIGHTING SYSTEM
W/ BLIND SPOT MONITOR SYSTEM
W/ HEAD UP DISPLAY
W/O BLIND SPOT MONITOR SYSTEM
WHT WIRE
YEL WIRE
Go to component -> Computer data lines circuit, hatchback (2 of 3) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (4 of 12)
AIR CONDITIONING AMPLIFIER ASSEMBLY
BLK WIRE
BLU WIRE
BRN WIRE
CANN
CANP
CERTIFICATION ECU
COMBINATION METER ASSEMBLY
GRN WIRE
GRY WIRE
INSTRUMENT PANEL J/B
LEFT HEADLIGHT UNIT ASSEMBLY
LT GRN WIRE
MAIN BODY ECU
MSCH
MSCL
PNK WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT BLIND SPOT MONITOR SENSOR
RIGHT END OF DASH)
RIGHT HEADLIGHT UNIT ASSEMBLY
TELEPHONE TRANSCEIVER ASSEMBLY
W/ ADAPTIVE FRONT LIGHTING SYSTEM
W/ SMART KEY
W/ TELEMATICS SYSTEM
W/O SMART KEY
WHT WIRE
YEL WIRE
Go to component -> Computer data lines circuit, sedan (3 of 4) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (5 of 12)
2.0L
AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD
BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY
BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY)
BRN WIRE
CAM TIMING CONTROL MOTOR W/ EDU ASSEMBLY
COOLING FAN ECU
COOLING FAN MOTOR
CRANK POSITION SENSOR SHIELD
CVT
ENGINE ROOM R/B 1 FAN 2 RELAY
EXCEPT HYBRID
EXCEPT HYBRID W/O LED TURN SIGNAL LIGHT
HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
HYBRID, EXCEPT HYBRID W/ LED TURN SIGNAL LIGHT
IGNITION COIL ASSEMBLY 1
IGNITION COIL ASSEMBLY 2
IGNITION COIL ASSEMBLY 3
IGNITION COIL ASSEMBLY 4
INTAKE MASS AIR FLOW METER SUB-ASSEMBLY
INVERTER W/ CONVERTER ASSEMBLY
INVERTER WATER PUMP ASSEMBLY (W/ MOTOR)
KNOCK CONTROL SENSOR (BANK 1) SHIELD
LEFT HEADLIGHT UNIT ASSEMBLY
LEFT LED ILLUMINATION LIGHT
MILLIMETER WAVE RADAR SENSOR ASSEMBLY
OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD
RADIATOR SHUTTER SUB- ASSEMBLY
RIGHT COOLING FAN MOTOR
SECURITY HORN ASSEMBLY
SHIELD
TRANSMISSION CONTROL ECU
VACUUM WARNING SWITCH ASSEMBLY
W/ ADAPTIVE FRONT LIGHTING SYSTEM
W/ LED TURN SIGNAL LIGHT
W/O ADAPTIVE FRONT-LIGHTING SYSTEM
W/O LED TURN SIGNAL LIGHT
WHT/BLK WIRE
WINDSHIELD WIPER MOTOR ASSEMBLY
WIRELESS DOOR LOCK BUZZER
Go to component -> Ground distribution circuit, sedan tmc made (1 of 6) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (6 of 12)
BLK WIRE
BLU WIRE
BRAKE ACTUATOR ASSEMBLY
BRN WIRE
CANH PNK LINS WIRE
COMPUTER DATA LINES SYSTEM
ECUB
ELECTRIC PARKING BRAKE SWITCH ASSEMBLY
FAN
FR FOG RELAY
GRN WIRE
GRY WIRE
HOLD SWITCH
HZRI
IND
LEFT FOG LIGHT ASSEMBLY
LEFT HEADLIGHT UNIT ASSEMBLY
LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY
LEVELING, SWIVEL MOTOR
LINL
LINS
LOCK SWITCH
LOW/HIGH DRL
LT BLU WIRE
LT GRN WIRE
ORG/ WIRE
PNK WIRE
POL
R/B ASSEMBLY 3
RED WIRE
RELEASE SWITCH
RIGHT FOG LIGHT ASSEMBLY
RIGHT HEADLIGHT UNIT ASSEMBLY
SBR
SGR
SHB
SHG
SHRL
SHRR
W/ ADAPTIVE FRONT LIGHTING SYSTEM
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> Headlights circuit, hatchback (2 of 3) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (7 of 12)
BLK WIRE
BLU WIRE
BRN WIRE
COMBINATION METER ASSEMBLY
COMPUTER DATA LINES SYSTEM
ECUB
FAN
GRN WIRE
GRY WIRE
LEFT HEADLIGHT UNIT ASSEMBLY
LEFT HEIGHT CONTROL SENSOR SUB-ASSEMBLY
LEVELING, SWIVEL MOTOR
LINL
LINS
LOW/HIGH DRL
LT BLU WIRE
LT GRN WIRE
ORG/ WIRE
PNK LINS WIRE
PNK WIRE
RED WIRE
RIGHT END OF DASH)
RIGHT HEADLIGHT UNIT ASSEMBLY
SBR
SGR
SHB
SHG
SHRL
SHRR
W/ ADAPTIVE FRONT LIGHTING SYSTEM
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> Headlights circuit, sedan (2 of 4) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (8 of 12)
AIR CONDITIONING CONTROL ASSEMBLY
AUTO HIGH BEAM SWITCH
BLK WIRE
BLU WIRE
BRAKE ACTUATOR ASSEMBLY
BRN WIRE
COMBINATION SWITCH ASSEMBLY
CVT
DEF RELAY ENGINE ROOM R/B 1
DOOR CONTROL SWITCH ASSEMBLY
ELECTRIC PARKING BRAKE SWITCH ASSEMBLY
FR FOG RELAY R/B ASSEMBLY 3
FROM TAIL RELAY (DIAGRAM 3 OF 4)
FRONT WIPER DEICER SWITCH
GLOVE BOX LIGHT ASSEMBLY
GRN WIRE
GRY WIRE
HAZARD WARNING SIGNAL SWITCH ASSEMBLY
LEFT "C" PILLAR)
LEFT FRONT SEAT HEATER SWITCH
LEFT HEADLIGHT UNIT ASSEMBLY
LEFT LICENSE PLATE LIGHT ASSEMBLY
LEFT REAR COMBINATION LIGHT ASSEMBLY
LEFT REAR LIGHT ASSEMBLY
LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY
LIGHT CONTROL RHEOSTAT
LT BLU WIRE
LT GRN WIRE
MILLIMETER WAVE RADAR SENSOR ASSEMBLY
MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
NETWORK GATEWAY ECU
OUTER MIRROR SWITCH ASSEMBLY
PANEL FUSE
PNK WIRE
POWER STEERING ECU W/ MOTOR ASSEMBLY
PPL
PPL/BLK WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY
RIGHT FRONT SEAT HEATER SWITCH
RIGHT HEADLIGHT UNIT ASSEMBLY
RIGHT LICENSE PLATE LIGHT ASSEMBLY
RIGHT REAR COMBINATION LIGHT ASSEMBLY
RIGHT REAR LIGHT ASSEMBLY
RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY
SHIFT LOCK CONTROL UNIT ASSEMBLY
SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY)
SPIRAL CABLE SUB-ASSEMBLY
STEERING COLUMN)
STEERING HEATER SWITCH
STEERING PAD SWITCH ASSEMBLY
STEERING SENSOR
TAIL FUSE
TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 2 OF 4)
VIO WIRE
W/ ADAPTIVE FRONT LIGHTING SYSTEM
W/O ADAPTIVE FRONT-LIGHTING SYSTEM
WHT WIRE
YEL WIRE
Go to component -> Power distribution circuit, hatchback (4 of 4) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (9 of 12)
AIR CONDITIONING CONTROL ASSEMBLY
AUTO HIGH BEAM SWITCH
BLK WIRE
BLU WIRE
BRAKE ACTUATOR ASSEMBLY
CERTIFICATION ECU
COMBINATION SWITCH ASSEMBLY
CVT
DEF RELAY ENGINE ROOM R/B 1
ELECTRIC PARKING BRAKE SWITCH ASSEMBLY
FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 5)
FROM TAIL RELAY (DIAGRAM 3 OF 5)
FRONT WIPER DEICER SWITCH
FUEL LID OPENER SWITCH
GLOVE BOX LIGHT ASSEMBLY
GRN WIRE
GRY WIRE
HAZARD WARNING SIGNAL SWITCH ASSEMBLY
LEFT FRONT SEAT HEATER SWITCH
LEFT HEADLIGHT UNIT ASSEMBLY
LEFT LED ILLUMINATION LIGHT
LEFT LICENSE PLATE LIGHT ASSEMBLY
LEFT REAR COMBINATION LIGHT ASSEMBLY
LEFT REAR LIGHT ASSEMBLY
LEFT REAR SEAT HEATER SWITCH
LIGHT CONTROL RHEOSTAT
LT BLU WIRE
LT GRN WIRE
MILLIMETER WAVE RADAR SENSOR ASSEMBLY
MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
NETWORK GATEWAY ECU
OUTER MIRROR SWITCH ASSEMBLY
PANEL FUSE
PNK WIRE
POWER STEERING ECU W/ MOTOR ASSEMBLY
PPL/BLK WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT FRONT SEAT HEATER SWITCH
RIGHT HEADLIGHT UNIT ASSEMBLY
RIGHT LED ILLUMINATION LIGHT
RIGHT REAR COMBINATION LIGHT ASSEMBLY
RIGHT REAR LIGHT ASSEMBLY
RIGHT REAR SEAT HEATER SWITCH
RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY
SHIFT LOCK CONTROL UNIT ASSEMBLY
SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY)
SPIRAL CABLE SUB-ASSEMBLY
STEERING COLUMN)
STEERING HEATER SWITCH
STEERING SENSOR
TAIL FUSE
TO IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 5)
TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 5)
TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 1 OF 5)
USB CHARGER SOCKET
VIO WIRE
W/ ADAPTIVE FRONT LIGHTING SYSTEM
W/ ELECTRIC PARKING BRAKE SYSTEM
W/ LED TURN SIGNAL LIGHT
W/O ADAPTIVE FRONT-LIGHTING SYSTEM
W/O ELECTRIC PARKING BRAKE SYSTEM
W/O LED TURN SIGNAL LIGHT
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> Power distribution circuit, sedan except hybrid (4 of 5) -> LEFT HEADLIGHT UNIT ASSEMBLY
left headlight unit assembly wiring diagram (10 of 12)
AIR CONDITIONING CONTROL ASSEMBLY
AUTO HIGH BEAM SWITCH
BLK WIRE
BLU WIRE
COMBINATION SWITCH ASSEMBLY
ELECTRIC PARKING BRAKE SWITCH ASSEMBLY
GLOVE BOX LIGHT ASSEMBLY
GRN WIRE
GRY WIRE
HAZARD WARNING SIGNAL SWITCH ASSEMBLY
LEFT HEADLIGHT UNIT ASSEMBLY
LEFT LED ILLUMINATION LIGHT
LEFT LICENSE PLATE LIGHT ASSEMBLY
LEFT REAR COMBINATION LIGHT ASSEMBLY
LEFT REAR LIGHT ASSEMBLY
LIGHT CONTROL RHEOSTAT
LT BLU WIRE
MAIN BODY ECU
MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
OUTER MIRROR SWITCH ASSEMBLY
PANEL FUSE
PNK WIRE
RADIO, DISPLAY RECEIVER ASSEMBLY
RED WIRE
RIGHT HEADLIGHT UNIT ASSEMBLY
RIGHT LED ILLUMINATION LIGHT
RIGHT REAR COMBINATION LIGHT ASSEMBLY
RIGHT REAR LIGHT ASSEMBLY
RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY
SPIRAL CABLE SUB-ASSEMBLY
STEERING COLUMN)
TAIL FUSE
TAIL RELAY
TO POWER FUSE (DIAGRAM 8 OF 9)
VIO WIRE
W/O ADAPTIVE FRONT-LIGHTING SYSTEM
WHT WIRE
YEL WIRE
Go to component -> Power distribution circuit, sedan hybrid (5 of 9) -> LEFT HEADLIGHT UNIT ASSEMBLY
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