Toyota Highlander IV (2019-2024) ecu-acc fuse Wiring diagrams

A/C AMPLIFIER ASSEMBLY (LEFT CENTER OF DASH) A/C CONTROL ASSEMBLY 2 AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 2 FUSE ECU-DCC 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LIGHT IC LOCK LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MGC ORG/ WIRE PNK WIRE PPL PPL/BLU (OR BLU) WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/VIO WIRE PPL/WHT WIRE PRE RBBU RBUG RBUS RDFG REAR SEAT HEATER SWITCH RED WIRE RELAY ENERGIZED RIGHT END OF DASH) RLIN SBLW SEATS SYSTEM SG-1 SG-2 SG-4 TAM 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 AUTOMATIC LIGHT CONTROL SENSOR BATT-S FUSE BLK WIRE BLU WIRE CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-DCC 2 FUSE ENGINE COOLANT TEMPERATURE SENSOR (GRILLE SHUTTER) FLOOR J/B 5 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IGCT RELAY ENERGIZED HYBRID VEHICLE CONTROL ECU IGCT 2 FUSE INSTRUMENT PANEL J/B ASSEMBLY IWP LIGHT IC LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) NIWP ORG/ WIRE PNK WIRE PPL/BLK WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/VIO WIRE PPL/WHT WIRE PRE RBBU RBUG RBUS RDFG REAR SEAT HEATER SWITCH RED WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT QUARTER PANEL RLIN SBLW SEATS SYSTEM SG-1 SG-4 TAM VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

ACL AIR BAG SENSOR ASSEMBLY AWD ECU ASSEMBLY BEHIND LEFT QUARTERPANEL) BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY CANN CANP CAYH CAYL ECU-ACC FUSE ECU-B 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY INTEGRATION CONTROL SUB-ASSEMBLY LT BLU WIRE LT GRN WIRE NETWORK GATEWAY ECU (RIGHT END OF DASH) OCCUPANT DETECTION ECU ORG/ WIRE PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL/PNK WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) RIGHT HEADLIGHT ECU SUB-ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY STEERING SENSOR VIO WIRE W/ 12.3 INCH DISPLAY W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ MEMORY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

ACL AIR BAG SENSOR ASSEMBLY BEHIND LEFT QUARTERPANEL) BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRAKE MASTER CYLINDER SUB-ASSEMBLY CANN CANP CAYH CAYL ECU-ACC FUSE ECU-B 2 FUSE GRN WIRE GRY WIRE HA (RIGHT END OF DASH) HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY INTEGRATION CONTROL SUB-ASSEMBLY LT BLU WIRE LT GRN WIRE NETWORK GATEWAY ECU (RIGHT END OF DASH) OCCUPANT DETECTION ECU ORG/ WIRE PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL/PNK WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RIGHT HEADLIGHT ECU SUB-ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY STEERING SENSOR (UPPER STEERING COLUMN) VIO WIRE W/ 12.3 INCH DISPLAY W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ MEMORY WHT WIRE WHT/BLK WIRE YAW RATE SENSOR

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

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

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

-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