Lexus IS III facelift 2 (2020-2024) left headlight assembly (headlight ecu sub-assembly) Wiring diagrams

BLK WIRE BLU WIRE BRN WIRE CAN JUNCTION TERMINAL 1 CANN CANP GRN WIRE LEFT FRONT POWER SEAT SWITCH LEFT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LT GRN WIRE MULTIPLEX TILT, TELESCOPIC ECU PNK WIRE POWER STEERING ECU ASSEMBLY RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY VIO WIRE W/ MEMORY W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE

ACL BLK WIRE BLU WIRE BRN WIRE CANN CANP CLOCK ASSEMBLY COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 DIA FA (3.5L) FB (2.0L TURBO) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT POWER SEAT SWITCH LEFT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LT GRN WIRE MAIN BODY ECU MO- MSCH MSCL MULTI- DISPLAY ASSEMBLY OBD FUSE OCCUPANT DETECTION ECU ORG/ WIRE PNK WIRE RED WIRE REMOTE OPERATION CONTROLLER ASSEMBLY SIL TX+1 TX-1 VIO WIRE W/ MEMORY WHT WIRE WHT/BLK WIRE YEL WIRE

2.0L TURBO 3.5L BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BRAKE ACTUATOR ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE COOLER COMPRESSOR ASSEMBLY EFI MAIN 2 RELAY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 3 FAN 2 RELAY FAN RELAY FRONT WINDOW DEICER (WINDSHIELD GLASS) HEADLIGHT CLEANER CONTROL RELAY HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) KICK DOWN SWITCH ASSEMBLY LEFT FRONT ABSORBER CONTROL ACTUATOR LEFT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) LEVEL WARNING SWITCH ASSEMBLY MIR HTR RELAY POWER STEERING ECU ASSEMBLY RIGHT END OF DASH) RIGHT FRONT ABSORBER CONTROL ACTUATOR ST 1 RELAY STOP LIGHT SWITCH ASSEMBLY STRG HTR RELAY VACUUM WARNING SWITCH ASSEMBLY W/ HEADLIGHT CLEANER W/O MEMORY WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WIRELESS DOOR LOCK BUZZER WIRING HARNESS CONDENSER ASSEMBLY 1

2.0L TURBO 3.5L AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR 2 (BANK 2 SENSOR 1) SHIELD BLK/WHT WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BRAKE ACTUATOR ASSEMBLY BRN WIRE COOLING FAN ECU COOLING FAN ECU 1 COOLING FAN ECU 2 DATA LINK CONNECTOR 3 FA (3.5L) FUEL INJECTOR ASSEMBLY 1, 3, 5 SHIELD FUEL INJECTOR ASSEMBLY 2, 4, 6 SHIELD FUEL PUMP ASSEMBLY SHIELD IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 IGNITION COIL ASSEMBLY 5 IGNITION COIL ASSEMBLY 6 INJ RELAY SHIELD KNOCK CONTROL SENSOR (BANK 1), KNOCK CONTROL SENSOR (BANK 2) SHIELD LEFT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD REAR OXYGEN SENSOR 2 (BANK 2 SENSOR 2) SHIELD SHIELD SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) WHT WIRE WHT/BLK WIRE WIRE SWITCH 1

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN DAYTIME RUNNING/ CLEARANCE ECUB ENGINE ROOM R/B 1 ASSEMBLY FRONT SIDE MAKER CLEARANCE FRWA GRN WIRE GRY WIRE H-LP LH RELAY H-LP MAIN LH FUSE H-LP MAIN RH FUSE H-LP RH RELAY HEADLIGHT LEVELING ACTUATOR HIGH/LOW HLC HOT AT ALL TIMES LEFT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LINL LT GRN WIRE NCA WIRE ORG/ WIRE RED WIRE RIGHT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) SBR SGR SHB SHRL TNS VIO WIRE W/ HEADLIGHT BEAM LEVEL CONTROL WHT WIRE WHT/BLK WIRE WIPER/ WASHER SYSTEM

ACC RELAY BKUP LP FUSE BKUP LP RELAY BLK WIRE BLU WIRE CLOCK ASSEMBLY DIODE (PARK/ NEUTRAL POSITION SWITCH ASSEMBLY) DOOR F/L FUSE ECU-ACC FUSE FROM CERTIFICATION ECU (DIAGRAM 1 OF 8) FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 1 OF 8) GLOW BOX LIGHT ASSEMBLY GRN WIRE HEADLIGHT CLEANER CONTROL RELAY LEFT BLIND SPOT MONITOR SENSOR LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT SEAT HEATER ASSEMBLY (LEFT SEPARATE TYPE FRONT SEAT BACK COVER) LT GRN WIRE MAIN BODY ECU MULTI- DISPLAY ASSEMBLY NETWORK GATEWAY ECU ORG/ WIRE P/OUTLET 1 FUSE P/OUTLET RELAY PARKING ASSIST ECU PNK WIRE POWER OUTLET SOCKET ASSEMBLY RADIO RECEIVER ASSEMBLY REAR CROSS TRAFFIC ALERT BUZZER (BLIND SPOT MONITOR BUZZER) RED WIRE REMOTE OPERATION CONTROLLER ASSEMBLY RIGHT BLIND SPOT MONITOR SENSOR RIGHT HEADLIGHT ASSEMBLY (HEADLIGHT ECU SUB-ASSEMBLY) RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT SEAT HEATER ASSEMBLY (RIGHT SEPARATE TYPE FRONT SEAT BACK COVER) S/HTR F/L FUSE S/HTR F/R FUSE STEREO COMPONENT AMPLIFIER ASSEMBLY TO ENGINE ROOM J/B 2 ASSEMBLY (DIAGRAM 3 OF 8) TO ENGINE ROOM R/B 2 ASSEMBLY (DIAGRAM 3 OF 8) TO TI, TE FUSE (DIAGRAM 5 OF 8) TO TRUNK OPN (DIAGRAM 8 OF 8) VIO WIRE W/ CLIMATE CONTROL SEAT W/ LEXUS DISPLAY AUDIO SYSTEM W/ MEMORY W/O CLIMATE CONTROL SEAT WHT WIRE