Lexus IS III facelift (2015-2020) main body ecu Wiring diagrams

AUTO WIPER SWITCH BLK WIRE BLU WIRE BRN WIRE CAN I/F COMB SW FUSE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSS+ DISPLAY DRIVER DOWN DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FRWA GRN WIRE GRY WIRE HEADLIGHT SWIVEL ECU ASSEMBLY HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY INT RELAY KD (RIGHT CENTER OF DASH) LED DRIVER LEVEL WARNING SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAIN RELAY ENERGIZED MAP LIGHT ASSEMBLY METER FUSE MPX MPX-B 1 FUSE NORMAL OFF OFF WIPER SWITCH PNK WIRE RAIN SENSOR (W/ AUTO WIPER SYSTEM) RED WIRE RED/BLU WIRE RELAY ENERGIZED SIG STEERING SENSOR (ON STEERING COLUMN) TAIL TELLTALES TRNL TRNR VIO WIRE VOLUME SWITCH INT SWITCH W/ AUTO WIPER SYSTEM, VGRS SYSTEM W/ AUTO WIPER SYSTEM, W/O VGRS SYSTEM WASHER FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY WINDSHIELD WIPER MOTOR ASSEMBLY WINDSHIELD WIPER SWITCH ASSEMBLY WIPER FUSE WIPER RELAY WIPER SW-IG FUSE WIPER-S FUSE YEL WIRE

A/C CONTROL ASSEMBLY ABSORBER CONTROL ECU ACC RELAY AIR BAG SENSOR ASSEMBLY ALL DR LOCK RELAY AUTO HIGH BEAM SWITCH BKUP LP RELAY BLU WIRE BRN WIRE CAN JUNCTION TERMINAL 1 CAN JUNCTION TERMINAL 2 CERTIFICATION ECU CLOCK ASSEMBLY COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY D DR UNLOCK RELAY DATA LINK CONNECTOR 3 DRIVING SUPPORT ECU ASSEMBLY FUEL LOCK RELAY GLOVE BOX LIGHT ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY L/D-DR UNLOCK RELAY LEFT VISOR ASSEMBLY LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY MAIN BODY ECU MAP LIGHT ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU P/OUTLET RELAY POWER OUTLET SOCKET ASSEMBLY RADIO RECEIVER ASSEMBLY REAR SUNSHADE SWITCH ASSEMBLY REFRESHING SEAT SWITCH REMOTE OPERATION SWITCH RIGHT VISOR ASSEMBLY SHIFT LOCK CONTROL ECU (TRANSMISSION FLOOR SHIFT ASSEMBLY) SHIFT POSITION INDICATOR SLIDING ROOF CONTROL ECU (SLIDING ROOF GEAR SUB ASSEMBLY) SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING LOCK ACTUATOR ASSEMBLY STEERING PAD SWITCH ASSEMBLY STEERING SENSOR STEERING VIBRATION, HEATER ECU (STEERING WHEEL ASSEMBLY) STEREO COMPONENT EQUALIZER ASSEMBLY TIRE PRESSURE MONITOR INITIATOR DRIVER TIRE PRESSURE WARNING RESET SWITCH (PRESSURE WARNING SWITCH 1) TRUNK OPN RELAY VEHICLE SOUND SWITCH W/ FRONT FOG LIGHT W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR

AUTO AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE CANADA USA CLTB CLTE CLTS COMPUTER DATA LINES SYSTEM DIMMER SWITCH DRL OFF DRLE ECU-B FUSE ENGINE ROOM R/B 1 ASSEMBLY FOG LIGHT SWITCH GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY LCTY LEFT FOG LIGHT ASSEMBLY LIGHT CONTROL SWITCH LLEW LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER FUSE MPX-B 1 FUSE OFF ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY PNK WIRE RCTY RED WIRE RIGHT FOG LIGHT ASSEMBLY RLEW SOLAR SENSOR TAIL VIO WIRE W/ HALOGEN W/ LED WHT WIRE WHT/BLK WIRE YEL WIRE

ACC RELAY AUTO OFF DRL OFF AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE BRN WIRE CAN I/F CANADA USA CANN CANP CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIMMER SWITCH DISPLAY ECU-ACC FUSE ECU-B FUSE FOG LIGHT SWITCH GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY LCTY LED DRIVER LGCY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER FUSE OFF DRL OFF ORG/ WIRE PNK WIRE RCTY RED WIRE SOLAR SENSOR TAIL TAIL AUTO HEAD TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE BRN WIRE CAN I/F CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRL OFF ECU-B FUSE ENGINE ROOM R/B 1 ASSEMBLY FRWA GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT SWIVEL ECU ASSEMBLY HEADLIGHT SWIVEL MOTOR, HEADLIGHT LEVELING MOTOR HLC HOT AT ALL TIMES HOT W/ IGS INSTRUMENT PANEL J/B ASSEMBLY LED DRIVER LEFT HEADLIGHT ASSEMBLY LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH - LH E LHIG LHM+ LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER FUSE MPX-B 1 FUSE OFF ORG/ WIRE OUT PNK WIRE RED WIRE RH E RH- RHIG RHM + RIGHT HEADLIGHT ASSEMBLY SBR SGR SHRL SMBL SMBR SMGL SMGR SML SMR TAIL TELLTALES VCC VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE

AUTO BLK WIRE BLU WIRE CANADA USA W/ ADAPTIVE FRONT LIGHTING SYSTEM COMPUTER DATA LINES SYSTEM DRL OFF ECU-B FUSE ENGINE ROOM R/B 2 ASSEMBLY FRWA GRN WIRE GRY WIRE H-LP CLN FUSE HEAD HEADLIGHT CLEANER CONTROL RELAY HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHTS SYSTEM HLC HOT AT ALL TIMES HOT W/ IGS INSTRUMENT PANEL J/B ASSEMBLY LH - LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAIN RELAY ENERGIZED OFF ORG/ WIRE PNK SMRL WIRE RED WIRE RH- RIGHT HEADLIGHT ASSEMBLY RIGHT HEADLIGHT CONTROL ECU SBR SGR SHRL SMBR SMGL SMGR SML SMR TAIL VIO WIRE W/O ADAPTIVE FRONT-LIGHTING SYSTEM WASHER FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

2.0L TURBO 2.0L TURBO 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 LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY DCM (TELEMATICS TRANSCEIVER) DOWN ENGINE OIL LEVEL SENSOR ENGINE OIL PRESSURE SWITCH ASSEMBLY ENTER LEFT EPEO FLCY CANL GRN WIRE GRY WIRE GVIF 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 GND LT GRN WIRE MAIN BODY ECU METER FUSE ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY 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 SPDP SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY TOP VCPH VIO WIRE W/ NAVIGATION W/O NAVIGATION W/O DISPLAY AUDIO W/ DISPLAY AUDIO 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 DOOR UNLOCK SWITCH SUB-ASSEMBLY ECU-B FUSE GBS 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 TKUL TMSW TRUNK OPN FUSE TRUNK OPN RELAY TSW VIO WIRE 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 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 J/C 7 (DRIVER'S DOOR) 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 J/C 1 J/C 4 (3.5L) J/C 15 (2.0L TURBO) 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