Lexus IS III facelift 2 (2020-2024) main body ecu Wiring diagrams

2 3 RCTY 5 6 PNK TSW WIRE ACC RELAY ACT- 9 10 ACT+ BLK WIRE BLU WIRE BZR 22 23 CANN DMDR DMON DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS HORNS SYSTEM DRLE ECU-ACC FUSE ECU-B FUSE EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FLCL FRCL FSPT FUEL GRN WIRE GSW HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LCTY LGCY LSWL LSWR LT BLU WIRE LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK CANP WIRE PNK WIRE POWER WINDOWS SYSTEM POWER WINDOWS, POWER TOPS SYSTEMS RED WIRE RELAY ENERGIZED REV SSCL 19 20 SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY ACAN AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY CERTIFICATION ECU CLTB CLTE CLTS DOOR LOCKS, ANTI-THEFT SYSTEMS GBS GRN WIRE GRY WIRE HEAD HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM, EXTERIOR LIGHTS SYSTEM, AIR CONDITIONING SYSTEMS INTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS LEFT "C" PILLAR) LLEW LT BLU WIRE LT GRN WIRE MAIN BODY ECU NETWORK GATEWAY ECU ORG/ WIRE PNK WIRE RED WIRE RIGHT END OF DASH) RLEW STEERING SENSOR STEREO COMPONENT EQUALIZER ASSEMBLY TAIL TCYL TKUL TMSW TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS VIO WIRE WARNING SYSTEMS WHT WIRE YEL WIRE

BLK WIRE BLU WIRE CANN CANP COMPUTER DATA LINES SYSTEM DMDR DMON DOME CUT RELAY DOME FUSE ECU-B FUSE FLCL FRCL FSPT GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LCTY LEFT "C" PILLAR) LEFT FRONT COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT DOOR LOCK W/ MOTOR ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR LOCK W/ MOTOR ASSEMBLY LGCY LSWL LSWR LT GRN WIRE LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 MAIN BODY ECU ORG/ WIRE PNK WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT DOOR LOCK W/ MOTOR ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR LOCK W/ MOTOR ASSEMBLY TCYL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ALL DOOR LOCK RELAY BLK WIRE BLU WIRE BZR COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L FUSE ECU-B FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY L/D DOOR UNLOCK RELAY LCTY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LGCY LSWL LSWR LT BLU WIRE LT GRN WIRE LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY MAIN BODY ECU ORG/ WIRE P/W FUSE PNK WIRE POWER WINDOWS SYSTEM RCTY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY SSCL TMSW TRUNK OPN FUSE TRUNK OPN RELAY TSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2.0L TURBO 2.0L TURBO 3.5L 3.5L BACK BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM COURTESY DOWN ENGINE OIL LEVEL SENSOR ENGINE OIL PRESSURE SWITCH ASSEMBLY ENTER LEFT EPEO FLCY CANL GRN WIRE GRY WIRE HOT W/ INSTRUMENT PANEL J/B ASSEMBLY LCTY IG LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT STEERING PAD SWITCH LGCY LOIL LOIL GND LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY MAIN BODY ECU METER FUSE NAVIGATION ECU ASSEMBLY ORG/ WIRE PEO PNK WIRE RADIO RECEIVER ASSEMBLY RCTY RED WIRE RIGHT RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT STEERING PAD SWITCH SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY TOP VCPE VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

ACAN ACC RELAY AUTO AUTO TAIL DRL OFF AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE CLTB CLTE CLTS COMPUTER DATA LINES SYSTEM DOOR LINKAGE DRL OFF HEAD ECU-ACC FUSE ECU-B FUSE ENGINE ROOM J/B 1 ASSEMBLY GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES ILLB INSTRUMENT PANEL J/B ASSEMBLY J/B LH-AM FUSE LIGHT CONTROL SWITCH LILL LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY ORG/ WIRE PANEL FUSE PNK WIRE RED WIRE RELAY ENERGIZED RILL RLMP SECURITY SENSOR OFF SLIDE ROOF SOLAR SENSOR SPOT LIGHT ASSEMBLY SWITCH IND TAIL TAIL RELAY W/ DYNAMIC RUNNING LIGHT OFF POSITION WHT WIRE WHT/BLK WIRE YEL WIRE

BDR BDSL BDSR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BSL+ BSR+ CANN CANP COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT CPUB DOOR F/L FUSE DOOR F/R FUSE DRIVER'S DOOR EC MIRROR EC+ EC- PNK WIRE ECI+ ENGINE ROOM R/B 1 ASSEMBLY FOOT LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HORIZONTAL HOT AT ALL TIMES HSRL HSRR INSTRUMENT PANEL J/B ASSEMBLY LEFT BLIND SPOT MONITOR LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT SEAT MEMORY SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MIRROR ADJUST SWITCH MIRROR HEATER MIRROR L SELECT SWITCH IND MIRROR R SELECT SWITCH IND MIRROR R/L SELECT SWITCH MIRRORS SYSTEM MLP MMRY MPX-B 1 FUSE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION SYSTEM ORG/ WIRE P/W FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM QA (LEFT "B" PILLAR) RED WIRE RELAY ENERGIZED RIGHT BLIND SPOT MONITOR RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SET- SIG TRNI TURN VERTICAL VIO WIRE VSRL VSRR WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT DISPLAY DRIVER DOOR F/L FUSE DOOR F/R FUSE DOOR LOCK, UNLOCK SWITCH DOOR R/L FUSE DOOR R/R FUSE DRIVER SIDE DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH DRIVER'S DOOR ECU-B FUSE ENGINE ROOM R/B 1 ASSEMBLY FRONT PASSENGER SIDE FRONT PASSENGER SIDE POWER WINDOW SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ INDICATOR INSTRUMENT PANEL J/B ASSEMBLY KEY LOCK KEY UNLOCK LED LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT DOOR LOCK W/ MOTOR ASSEMBLY LEFT REAR SIDE POWER WINDOW SWITCH LEFT REAR, RIGHT REAR SIDE LT GRN WIRE MAIN BODY ECU METER FUSE MPX-B 1 FUSE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NB (LOWER REAR OF DRIVER'S DOOR) P/W FUSE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER WINDOW SWITCH POWER WINDOW SWITCH INDICATOR RED WIRE REGULATOR RELAY ENERGIZED RIGHT REAR SIDE POWER WINDOW SWITCH SPEAKER SWITCH INDICATOR VIO WIRE W/ MEMORY W/O MEMORY WHT/BLK WIRE WINDOW LOCK WINDOW LOCK SWITCH YEL WIRE

2.0L TURBO 3.5L BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) ECU-B FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY LT BLU WIRE MAIN BODY ECU ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY REAR SUNSHADE RELAY (REAR WINDOW SHADE ASSEMBLY) REAR SUNSHADE SWITCH ASSEMBLY RED WIRE REV SHADE RR FUSE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE ECU-B FUSE FUEL FUEL LID LOCK W/ MOTOR ASSEMBLY FUEL LOCK RELAY GRN WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY KEY LEFT FRONT DOOR LOCK W/ MOTOR ASSEMBLY LGCY LOCK LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH MAIN BODY ECU ORG/ WIRE PNK WIRE PPL/BLU WIRE PPL/VIO WIRE TMSW TRUNK OPENER CANCEL SWITCH LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY TRUNK OPN FUSE TRUNK OPN RELAY TSW UNLOCK WHT WIRE WHT/BLK WIRE YEL WIRE