Toyota Highlander IV (2019-2024) engine stop, start ecu Wiring diagrams

A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR A/C FUSE A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 1 A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 2 A/C UNIT (AIR CONDITIONING HARNESS ASSEMBLY) B+ BUS BLK WIRE BLOWER DAMPER SERVO SUB-ASSEMBLY 1 BLOWER W/ FAN MOTOR SUB ASSEMBLY BLW BUS - BUS G COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM ENGINE ROOM R/B 1 ASSEMBLY ENGINE STOP, START ECU FDEF GRY WIRE HOT AT ALL TIMES HTR FUSE INSTRUMENT PANEL J/B ASSEMBLY LOUT LT BLU WIRE LT GRN WIRE MIRROR HEATER SWITCH, REAR WINDOW DEFOGGER SWITCH, FRONT SEAT HEATER SWITCH ORG/ WIRE PNK WIRE PPL PPL GND PPL PNK WIRE PPL/GRY WIRE PPL/ORG WIRE PPL/PNK ILL- WIRE RED WIRE RELAY ENERGIZED RIGHT END OF DASH) ROUT SEATS SYSTEM VIO WIRE W/ 12.3 INCH DISPLAY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

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

BBC 2 FUSE BIN 2 BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU- DCC 1 FUSE ECU-DCC 2 FUSE ENGINE ROOM R/B 1 ASSEMBLY ENGINE STOP, START ECU EPS FUSE EXCEPT HYBRID GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LT BLU WIRE PNK BAT WIRE PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL/BLK WIRE PPL/BLU WIRE PPL/LT BLU WIRE PPL/PNK WIRE PPL/VIO WIRE RED WIRE RELAY ENERGIZED STEERING SENSOR (UPPER STEERING COLUMN) STEERING TORQUE SENSOR (RACK, PINION POWER STEERING GEAR ASSEMBLY) TORQUE SENSOR VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY (LEFT CENTER OF DASH) A/C CONTROL ASSEMBLY 2 BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE STOP, START ECU FRONT SEAT HEATER SWITCH GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY LOUT LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL PPL/GRY WIRE PPL/ORG WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RELAY ENERGIZED ROUT SG-7 TSL TSR VIO WIRE W/ 12.3 INCH DISPLAY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

A/C CONTROL ASSEMBLY 2 BLK WIRE BLU WIRE ENGINE STOP, START ECU FRONT SEAT HEATER SWITCH GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY ORG/ WIRE PNK WIRE PPL PPL/GRY WIRE PPL/ORG WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT HEATER ASSEMBLY RIGHT FRONT SEAT HEATER CONTROL SUB-ASSEMBLY SEAT BACK HEATER SEAT CUSHION HEATER SWR VIO WIRE W/ 12.3 INCH DISPLAY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY) BRAKE MASTER CYLINDER SUB-ASSEMBLY BRAKE PEDAL LOAD SENSING SWITCH ASSEMBLY CF (EXCEPT HYBRID) (TOP FRONT OF ENGINE) COMPRESSOR W/ PULLEY ASSEMBLY ENGINE STOP, START ECU EXCEPT HYBRID HYBRID VEHICLE CONTROL ECU IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 IGNITION COIL ASSEMBLY 5 IGNITION COIL ASSEMBLY 6 INVERTER W/ CONVERTER ASSEMBLY LEFT FRONT SPEED SENSOR SHIELD LEFT REAR AXLE HUB, BEARING ASSEMBLY SHIELD RIGHT FRONT SPEED SENSOR SHIELD RIGHT REAR AXLE HUB, BEARING ASSEMBLY SHIELD SHIELD STOP LIGHT SWITCH ASSEMBLY VACUUM WARNING SWITCH ASSEMBLY VEHICLE APPROACHING SPEAKER CONTROLLER W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WINDSHIELD WIPER RELAY ASSEMBLY

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

A/C CONTROL ASSEMBLY 2 BLK WIRE BLU WIRE BRN WIRE ENGINE STOP, START ECU GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY LT BLU WIRE ORG/ WIRE PNK WIRE PPL/ORG WIRE PPL/VIO WIRE PPL/WHT WIRE REAR SEAT HEATER SWITCH RED WIRE RELAY ENERGIZED RIGHT REAR SEAT HEATER ASSEMBLY RIGHT REAR SEAT HEATER CONTROL SUB-ASSEMBLY RLIN SEAT BACK HEATER SEAT CUSHION HEATER SWR VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BLU/ BLK WIRE BRN WIRE BSW CENTER REAR SEAT INNER BELT ASSEMBLY COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE STOP, START ECU FRONT IN WEIGHT DETECTION SENSOR SUB ASSEMBLY GRN BRN/ WIRE GRN WIRE GRY WIRE LEFT REAR SEAT INNER BELT ASSEMBLY LEFT REAR SEAT INNER BELT ASSEMBLY 2 LT BLU WIRE LT GRN WIRE MA (MIDDLE OF CENTER CONSOLE) OCCUPANT DETECTION ECU ORG/ WIRE PNK BGND WIRE PNK WIRE PPL PPL/BLU WIRE RCBT RCSB REAR IN WEIGHT DETECTION SENSOR SUB ASSEMBLY RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT REAR SEAT INNER BELT ASSEMBLY RLBT RLSB RRBT RRSB SGD SIG SVC VIO WIRE W/ REAR SEPARATE SEAT 1 W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/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