Toyota Highlander IV (2019-2024) main body ecu Wiring diagrams

A/C AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE CANN CANP CERTIFICATION ECU ENGINE STOP, START ECU FORWARD RECOGNITION CAMERA GRN WIRE GRY WIRE LEFT HEADLIGHT ECU SUB-ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MILLIMETER WAVE RADAR SENSOR ASSEMBLY ORG/ WIRE PARKING ASSIST ECU PNK WIRE PPL/ORG WIRE REAR TELEVISION CAMERA ASSEMBLY RED WIRE RIGHT END OF DASH) VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ MEMORY W/ STOP/ START SYSTEM WHT WIRE

A/C AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE CAN (+) CAN P CAN-N CANN CANP CERTIFICATION ECU FORWARD RECOGNITION CAMERA GRN WIRE GRY WIRE HYBRID VEHICLE CONTROL ECU INVERTER W/ CONVERTER ASSEMBLY LEFT HEADLIGHT ECU SUB-ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MILLIMETER WAVE RADAR SENSOR ASSEMBLY ORG/ WIRE PARKING ASSIST ECU PNK WIRE RADIATOR SHUTTER SUB- ASSEMBLY REAR TELEVISION CAMERA ASSEMBLY RED WIRE RIGHT END OF DASH) SWING GRILLE ACTUATOR ASSEMBLY VEHICLE APPROACHING SPEAKER CONTROLLER VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ MEMORY WHT WIRE

5 OF 9) A/C THERMISTOR ASSEMBLY ACC RELAY AIR BAG SENSOR ASSEMBLY ALL DOOR LOCK RELAY AUTO HIGH BEAM SWITCH BKUP LP RELAY BLK WIRE BRN WIRE D DOOR UNLOCK RELAY DOOR BACK RELAY FORWARD RECOGNITION CAMERA FROM GROUND FRONT WIDE VIEW SWITCH FUEL LID OPENER SWITCH HC (DIAGRAM HYBRID VEHICLE CONTROL ECU INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY L/D DOOR UNLOCK RELAY LEFT SPOT LIGHT ASSEMBLY LEFT VISOR ASSEMBLY MAIN BODY ECU MAIN SWITCH ASSEMBLY P/OUTLET RELAY 2 POWER BACK DOOR CONTROL SWITCH PPL RAIN SENSOR RIGHT SPOT LIGHT ASSEMBLY RIGHT STEERING PAD SWITCH RIGHT VISOR ASSEMBLY ROOF CONSOLE BOX ASSEMBLY ROOM LIGHT ASSEMBLY 1 SHIFT LOCK CONTROL UNIT ASSEMBLY SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY SUNSHADE CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) TELEVISION DISPLAY ASSEMBLY TO GROUND HE W/ PANORAMIC MOON ROOF SYSTEM W/ REAR SEAT ENTERTAINMENT SYSTEM W/ SLIDING ROOF W/O AUTO WIPER SYSTEM WHT WIRE WHT/BLK WIRE

AIR BAG SENSOR ASSEMBLY AUTO BBC 2 FUSE BGND BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BSW BUCKLE CENTER CONSOLE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRL OFF ECU-ACC FUSE ECU-DCC 2 FUSE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE STOP, START ECU GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOLD SWITCH HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY L OFF LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU OCCUPANT DETECTION ECU ORG/ WIRE PNK WIRE PPL/BLU WIRE RED WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT ASSEMBLY SLT 1 SPIRAL CABLE SUB-ASSEMBLY STEERING SENSOR SWITCH TAIL VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BDR BDSL BLIND SPOT MONITOR INDICATOR BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BSL+ CANN PNK CANP WIRE COMPUTER DATA LINES SYSTEM CPUB DOOR F/L FUSE DOOR F/R FUSE ECU-ACC FUSE ECU-DCC 2 FUSE GRN WIRE GRY WIRE HEATER HORIZONTAL MOTOR HORIZONTAL SENSOR HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HSRL INSTRUMENT PANEL J/B ASSEMBLY LCB+ LCV- LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LGND LT BLU WIRE LT GRN WIRE MAIN BODY ECU MIRB MIRE MIRS MLP NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PPL/PNK WIRE PPL/VIO WIRE PPL/WHT WIRE PUDDLE LIGHT RED WIRE RELAY ENERGIZED RETRACTED/ NORMAL MOTOR SGND SIDE CAMERA SIG TRNI TURN VERTICAL MOTOR VERTICAL SENSOR VIO WIRE VIO/GRN WIRE VIO/YEL WIRE VSRL WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 A/C THERMISTOR ASSEMBLY BLU WIRE FORWARD RECOGNITION CAMERA FORWARD RECOGNITION W/ HEATER HOOD SUB-ASSEMBLY GRN WIRE GRY WIRE INNER REAR VIEW MIRROR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY MAIN BODY ECU METER MIRROR SUB-ASSEMBLY MULTIPLEX NETWORK DOOR ECU NETWORK GATEWAY ECU PARKING ASSIST ECU PNK WIRE POSITION CONTROL ECU ASSEMBLY PPL PPL/BLK WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/LT GRN WIRE PPL/VIO WIRE PPL/WHT WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RAIN SENSOR REAR CROSS TRAFFIC ALERT BUZZER (BLIND SPOT MONITOR BUZZER) RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) SUNSHADE CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) TELLTALE LIGHT ASSEMBLY VIO WIRE W/ 12.3 INCH DISPLAY W/O AUTO WIPER SYSTEM W/O STOP/ START SYSTEM WHT WIRE YEL WIRE

ALL DR LOCK RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE DOOR BACK FUSE DOOR BACK RELAY DOOR CONTROL SWITCH ASSEMBLY ECU-ACC FUSE ECU-DCC 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 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LOCK LSWL LSWR LT BLU WIRE LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE PPL/BLK WIRE PPL/BLU WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY UNLOCK VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

ALL DR LOCK RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L FUSE DOOR BACK FUSE DOOR CONTROL SWITCH ASSEMBLY ECU-ACC FUSE ECU-DCC 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 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LOCK LSWL LT BLU WIRE LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/PNK WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY UNLOCK VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

AIR BAG SENSOR ASSEMBLY BBR+ BCR+ BDR BFR+ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) FCP+ GRN WIRE GSW ICR+ INSTRUMENT PANEL J/B ASSEMBLY MAIN BODY ECU ORG/ WIRE PR- PRETENSIONER PRETENSIONER LEFT FRONT SEAT OUTER BELT ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY RIGHT DOOR SIDE AIR BAG SENSOR RIGHT FRONT AIR BAG SENSOR RIGHT FRONT SEAT AIR BAG ASSEMBLY RIGHT FRONT SEAT CUSHION AIR BAG ASSEMBLY RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT SIDE AIR BAG SENSOR ASSEMBLY RIGHT SIDE AIR BAG SENSOR ASSEMBLY 2 SELECTABLE FORCE LIMITER SFR- SR- W/ SAFETY CONNECT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

-DP BEHIND LEFT QUARTERPANEL) BLK WIRE BLU WIRE CERTIFICATION ECU COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA EAU ECU-ACC FUSE ECU-B 2 FUSE ECU-DCC 2 FUSE ENGINE STOP, START ECU GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LEFT STEERING PAD SWITCH LT BLU WIRE MAIN BODY ECU MSM+ MSTI ORG/ WIRE PNK CSEL WIRE PNK WIRE PPL GND PPL/BLK WIRE PPL/BLU WIRE PPL/ORG WIRE PPL/WHT WIRE PRG PNK CSEL PPL/PNK +B WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RCO RDAM RED WIRE SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY SWG W/ 12.3 INCH DISPLAY W/ 8 INCH DISPLAY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE