Toyota Highlander IV (2019-2024) engine room r/b 1 assembly Wiring diagrams

A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR 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 BLU WIRE BLW BUS - BUS G COMPRESSOR W/ PULLEY ASSEMBLY COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGND ENGINE ROOM R/B 1 ASSEMBLY FDEF GRN WIRE 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 SOL+ WIRE PNK WIRE PPL PPL PNK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/ORG WIRE RED WIRE RELAY ENERGIZED RIGHT END OF DASH) ROUT SEATS SYSTEM SOL + W/ 12.3 INCH DISPLAY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

A/C COMP FUSE A/C COMP RELAY A/C PRESSURE SENSOR A/C W/ PMP FUSE AMBIENT TEMPERATURE SENSOR (THERMISTOR ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLER (ROOM TEMPERATURE SENSOR) THERMISTOR COOLING FAN ECU CRANK POSITION SENSOR DIODE ECM (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY FAN 1 FUSE FAN-2 FUSE GRN WIRE GRY WIRE HEATER WATER PUMP ASSEMBLY HOT AT ALL TIMES HOT W/ EFI MAIN RELAY ENERGIZED LT BLU WIRE LT GRN WIRE MAGNET CLUTCH ASSEMBLY MG+ NE+ ORG/ WIRE PNK WIRE PPL/BLU WIRE PPL/GRY WIRE RED WIRE RFC SSR+ VCNE VIO WIRE W/ STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

A/C AMPLIFIER ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 1 A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 2 A/C RR FUSE BLK WIRE BLOWER ASSEMBLY BLOWER MOTOR CONTROL BLU WIRE COOLER (ROOM TEMPERATURE SENSOR 2) THERMISTOR ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES LT BLU WIRE MPX ORG/ WIRE PNK WIRE PPL/RED WIRE PTC 1 PTC 2 + PTC 3 + PTC HTR 1 FUSE PTC HTR 2 FUSE RAIN SENSOR (W/ AUTO WIPER SYSTEM) (CENTER OF ROOF LINER) RBBU RBUG RBUS REAR COOLING UNIT ASSEMBLY (AIR CONDITIONING HARNESS ASSEMBLY) RED WIRE SEATS SYSTEM SG-6 SG-7 SG-8 SG-9 SIG TEC TFAL TFAR TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

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 A/C EVAPORATOR TEMPERATURE SENSOR A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 1 A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 2 A/C RR FUSE BLK WIRE BLOWER ASSEMBLY BLOWER MOTOR CONTROL BLU WIRE COOLER (ROOM TEMPERATURE SENSOR 2) THERMISTOR ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES LT BLU WIRE MPX ORG/ WIRE PNK WIRE PPL/RED WIRE RBBU RBUG RBUS REAR COOLING UNIT ASSEMBLY (AIR CONDITIONING HARNESS ASSEMBLY) RED WIRE SEATS SYSTEM SG-6 SG-7 SG-8 SG-9 SIG TEC TFAL TFAR TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL 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

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

BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MSM+ MSTI ORG/ WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/VIO WIRE RADIO 2 FUSE RADIO FUSE RED WIRE RELAY ENERGIZED RIGHT STEERING PAD SWITCH SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ENGINE ROOM R/B 1 ASSEMBLY EXCEPT HYBRID GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MSM+ MSTI NCA WIRE ORG/ WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/PNK WIRE PPL/VIO WIRE RADIO 2 FUSE RADIO FUSE RADIO SETTING CONDENSER RED WIRE RIGHT STEERING PAD SWITCH SHIELD SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY VIO WIRE W/ 12.3 INCH DISPLAY W/ 8 INCH DISPLAY WHT WIRE WHT/BLK WIRE YEL WIRE

ACO AMP 1 FUSE BBC 3 FUSE BBC 4 FUSE BIN BLK WIRE BLU WIRE ECO RUN VEHICLE CONVERTER ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE HOT AT ALL TIMES LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LEFT REAR SPEAKER ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 3 LT GRN WIRE MI+ MI- SHIELD SLDI MO- MO- SHIELD SLDO NCA WIRE ORG/ WIRE PNK WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE PPL/WHT WIRE REAR SPEAKER ASSEMBLY 2 RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT FRONT SPEAKER ASSEMBLY 3 RIGHT REAR SPEAKER ASSEMBLY RIGHT REAR SPEAKER ASSEMBLY 3 SHIELD SL- SR- STEREO COMPONENT AMPLIFIER ASSEMBLY TMUT TWL- TWR+ W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE WUI YEL WIRE