Lexus RX IV (2015-2019) main body ecu Wiring diagrams

A/C AMPLIFIER ASSEMBLY (LOWER CENTER OF DASH) BLK WIRE BLU WIRE CAN L CANN CANP CERTIFICATION ECU (RIGHT SIDE OF DASH) CLOCK ASSEMBLY COMBINATION METER ASSEMBLY GRN WIRE GRY WIRE LCH LCL LEFT HEADLIGHT ECU SUB-ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU, SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER MIRROR SUB-ASSEMBLY MULTI- DISPLAY ASSEMBLY MULTIPLEX NETWORK DOOR ECU MULTIPLEX TILT, TELESCOPIC ECU NCA WIRE ORG/ WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE REMOTE OPERATION CONTROLLER RIGHT END OF DASH) RIGHT HEADLIGHT ECU SUB-ASSEMBLY TX+1 TX-1 VIO WIRE W/ HEADLIGHT BEAM LEVEL CONTROL WHT WIRE YEL WIRE

BLK WIRE BLU WIRE CENTER BOX LIGHT (INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) COMPUTER DATA LINES SYSTEM DMDR DMON DOME FUSE DOME RELAY ECU-ACC FUSE ECU-B 4 FUSE FLCL FRCL FSPT FUSE BLOCK ASSEMBLY 2 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 LCTY LCYL LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT FOOT LIGHT (LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE PPL/GRN WIRE RCTY RCYL RED WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT FOOT LIGHT (RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RRIL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTLA DRL OFF OFF ECU-ACC FUSE ECU-DCC 2 FUSE GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HMSL HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LCYT LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT TURN LEFT LANE CHANGE 1) 2) LIGHT LIGHT CONTROL LT BLU WIRE MAIN BODY ECU MARKER NEUTRAL RIGHT LANE CHANGE RIGHT TURN 3) 4) 5) ORG/ WIRE PNK WIRE RADIO SETTING CONDENSER (CENTER REAR OF ROOF) RCTY RED WIRE RELAY ENERGIZED RIGHT REAR COMBINATION LIGHT ASSEMBLY SB (LEFT CENTER REAR OF CARGO AREA) SC (RIGHT CENTER REAR OF CARGO AREA) STOP STOP FUSE STOP/TAIL STP+ SWITCH TAIL TAIL FUSE TAIL RELAY TOWING CONVERTER TRN+ TRNL TRNR TURN TURN SIGNAL USA CANADA W/O CORNERING LIGHT W/ CORNERING LIGHT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ALL DR LOCK RELAY BLK WIRE BLU WIRE BZR COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY ECU-ACC FUSE ECU-B 2 FUSE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY L/D-DR UNLOCK RELAY LCTY LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LOCK LSWL LSWR LT BLU WIRE MAIN BODY ECU METER FUSE MILE PNK WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT FOLD SEAT CONTROL ECU RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY SSCL UNLOCK VIO WIRE WHT WIRE WHT/BLK WIRE

BACK BACK DOOR LOCK ASSEMBLY BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY) CANN CANP COMPUTER DATA LINES SYSTEM CTY DOWN ECU-ACC FUSE ECU-B 4 FUSE ENTER FOL FUSE BLOCK ASSEMBLY 2 GRY WIRE HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LBL LCTY LEFT LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MULTIPLEX NETWORK DOOR ECU ORG/ WIRE PNK WIRE RCL- RCTY RED WIRE RIGHT RIGHT END OF DASH) RIGHT FOLD SEAT CONTROL ECU RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT STEERING PAD SWITCH SKID CONTROL ECU ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY TOP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACAN AUTO BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) DRL OFF OFF ECU-ACC FUSE ECU-B 4 FUSE ENGINE ROOM R/B FUSE BLOCK ASSEMBLY 2 GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED ILLB INSTRUMENT PANEL J/B ASSEMBLY J/B-AM FUSE LEFT SEAT MEMORY SWITCH LIGHT CONTROL SWITCH LILL LT BLU WIRE LT GRN WIRE MAIN BOARD MAP LIGHT ASSEMBLY MAIN BODY ECU MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY PANEL FUSE PNK ILLB WIRE PNK RILL WIRE PNK WIRE POWER SWITCH RED WIRE RELAY ENERGIZED RLMP SPOT LIGHT ASSEMBLY SWIL TAIL TAIL RELAY USA CANADA VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO MIRROR RETRACT SWITCH BDR BDSL BDSR BLIND SPOT MONITOR IND BLIND SPOT MONITOR INDICATOR BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BSM CANL CANH CANN CANP COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT CPUB DCB DCV+ DGND DOOR F/L FUSE DOOR F/R FUSE EC+ ECI+ ECU-B 2 FUSE ECU-DCC 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HSSR HTR INSTRUMENT PANEL J/B ASSEMBLY LEFT BLIND SPOT MONITOR SENSOR 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 MANUAL MIRROR RETRACT SWITCH MIRROR ADJUST SWITCH MIRROR SELECT SWITCH MIRRORS SYSTEM MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION SYSTEM NCA WIRE OMIL ORG/ WIRE PNK WIRE PPL/GRN WIRE RED WIRE RELAY ENERGIZED RIGHT BLIND SPOT MONITOR SENSOR RIGHT END OF DASH) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SCB+ SCV+ SET- SGND SIDE TELEVISION CAMERA SIG TRN+ TRNI TURN IND VDD VIO WIRE VSSR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BACK BDCY BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM ECU-DCC 2 FUSE ECUB ENGINE ROOM R/B FLD FOLD FOLD SEAT SWITCH ASSEMBLY GRN WIRE GRY WIRE HLG HLS HLV HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY INTERIOR LIGHTS SYSTEMS LH FOLD LH RETURN LT BLU WIRE LT GRN WIRE MAIN BODY ECU P/SEAT (RR) FUSE PNK WIRE R CL RCL- RCLF RCLR RED WIRE RELAY ENERGIZED RH FOLD RH RETURN RIGHT END OF DASH) RIGHT FOLD SEAT CONTROL ECU RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RTRN SFLD SFTP WHT WIRE WHT/BLK WIRE YEL WIRE

AIR BAG SENSOR ASSEMBLY AUTO BLK WIRE BLU WIRE BUCKLE SWITCH CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRL OFF OFF ECU-B 4 FUSE FUSE BLOCK ASSEMBLY 2 GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LED DRIVER LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE MAIN BODY ECU OCCUPANT DETECTION ECU PNK WIRE RELAY ENERGIZED RIGHT FRONT SEAT INNER BELT ASSEMBLY SPEAKER TAIL TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU CLSW PNK RDA WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSEL DATA ECU-ACC FUSE ECU-B 2 FUSE ECU-B 4 FUSE FUSE BLOCK ASSEMBLY 2 GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LED DRIVER LT BLU WIRE LT GRN WIRE MAIN BODY ECU PNK CANH WIRE PNK WIRE RCO RDAM RED WIRE RELAY ENERGIZED TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE