Toyota Highlander IV (2019-2024) ppl/gry Wiring diagrams

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

ABS 1 FUSE ABS 2 FUSE ALT FUSE AMP 1 FUSE BATT-S FUSE BATTERY BATTERY STATE SENSOR ASSEMBLY BBC 1 FUSE BBC 2 FUSE BBC 3 FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY CERTIFICATION ECU COMBINATION METER ASSEMBLY COOLING FAN ECU D/C CUT FUSE ECO RUN VEHICLE CONVERTER ASSEMBLY ECU- DCC 1 FUSE ECU-DCC 2 FUSE EFI 1 FUSE EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM J/B 1 ASSEMBLY ENGINE STOP, START ECU EPS FUSE ETCS FUSE FAN 1 FUSE GENERATOR ASSEMBLY GRN WIRE INNER REAR VIEW MIRROR ASSEMBLY J/B FUSE LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LT GRN WIRE MAIN BODY ECU MAIN FUSIBLE LINK NAVIGATION ECU PNK WIRE POSITION CONTROL ECU ASSEMBLY POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL PPL/BLK WIRE PPL/GRY WIRE PPL/ORG WIRE PPL/PNK WIRE PPL/VIO WIRE R/B 2 FUSE RADIO 2 FUSE RADIO FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY ST 1 FUSE ST RELAY STARTER ASSEMBLY STEERING SENSOR STEREO COMPONENT AMPLIFIER ASSEMBLY TO ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 2 OF 11) TO ENGINE ROOM R/B 2 ASSEMBLY (DIAGRAM 3 OF 11) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 6 OF 11) TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 4 OF 11) TO R/B 1 FUSE (DIAGRAM 2 OF 11) TOWING-B FUSE VIO WIRE W/ AUDIO SYSTEM (SEPARATE AMPLIFIER) W/O STOP/ START SYSTEM WHT WIRE YEL WIRE

BLK WIRE BLU WIRE DATA LINK CONNECTOR 3 DOME CUT RELAY DOME FUSE DOOR BACK FUSE DOOR BACK RELAY DOOR F/L FUSE DOOR F/R FUSE DOOR R/L FUSE DOOR R/R FUSE FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 1 OF 11) GRN WIRE GRY WIRE INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY 2 LEFT FRONT DOOR ILLUMINATION (LEFT FRONT DOOR TRIM BOARD SUB- ASSEMBLY) LEFT FRONT POWER SEAT SWITCH LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT REAR DOOR ILLUMINATION (LEFT REAR DOOR TRIM BOARD SUB- ASSEMBLY) LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY OBD FUSE ORG/ WIRE P/SEAT (FR) FUSE P/SEAT F/L FUSE POSITION CONTROL ECU ASSEMBLY PPL/BLK WIRE PPL/GRN WIRE PPL/GRY WIRE RED WIRE RIGHT FRONT DOOR ILLUMINATION (RIGHT FRONT DOOR TRIM BOARD SUB- ASSEMBLY) RIGHT FRONT POWER SEAT SWITCH RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT REAR DOOR ILLUMINATION (RIGHT REAR DOOR TRIM BOARD SUB- ASSEMBLY) RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) TO ACC RELAY (DIAGRAM 5 OF 11) TO TAIL RELAY (DIAGRAM 7 OF 11) VIO WIRE W/ INTERIOR ILLUMINATION LIGHT ASSEMBLY W/ MEMORY W/O MEMORY W/O PANORAMIC MOONROOF SYSTEM WHT WIRE

AWD ECU ASSEMBLY BKUP LP FUSE BKUP LP RELAY BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY DEF RELAY DEICER RELAY DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) ENGINE ROOM R/B 1 ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 ASSEMBLY (RIGHT SIDE OF ENGINE COMPT) ENGINE STOP, START ECU FROM DOME FUSE (DIAGRAM 6 OF 11) FRONT WIPER DEICER SWITCH GRY WIRE LEFT BLIND SPOT MONITOR SENSOR LEFT HEADLIGHT ECU SUB-ASSEMBLY LT BLU WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY ORG/ WIRE PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/ORG WIRE PPL/VIO WIRE PPL/WHT WIRE PTC HTR RELAY 1 PTC HTR RELAY 2 RED WIRE RIGHT BLIND SPOT MONITOR SENSOR RIGHT HEADLIGHT ECU SUB-ASSEMBLY S/HTR F/L RELAY S/HTR F/R RELAY SHIFT LOCK CONTROL UNIT ASSEMBLY STEERING HEATER SWITCH STEERING SENSOR TO ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 2 OF 11) TO MAIN BODY ECU (DIAGRAM 9 OF 11) VEHICLE APPROACHING SPEAKER CONTROLLER VIO WIRE W/ 12.3 INCH DISPLAY W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O STOP/ START SYSTEM WHT 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

BLK WIRE BLU WIRE ENGINE ROOM R/B 1 ASSEMBLY FROM DRL FUSE (DIAGRAM 2 OF 12) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 6 OF 12) GRN WIRE GRY WIRE HYBRID VEHICLE CONTROL ECU IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 INJ FUSE INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY 2 LEFT FRONT DOOR ILLUMINATION (LEFT FRONT DOOR TRIM BOARD SUB- ASSEMBLY) LEFT REAR DOOR ILLUMINATION (LEFT REAR DOOR TRIM BOARD SUB- ASSEMBLY) LT GRN WIRE ORG/ WIRE PORT FUEL INJECTOR ASSEMBLY 1 PORT FUEL INJECTOR ASSEMBLY 2 PORT FUEL INJECTOR ASSEMBLY 3 PORT FUEL INJECTOR ASSEMBLY 4 PPL/BLK WIRE PPL/GRN WIRE PPL/GRY WIRE RED WIRE RIGHT FRONT DOOR ILLUMINATION (RIGHT FRONT DOOR TRIM BOARD SUB- ASSEMBLY) RIGHT REAR DOOR ILLUMINATION (RIGHT REAR DOOR TRIM BOARD SUB- ASSEMBLY) STEERING LOCK ACTUATOR/ UPPER BRACKET ASSEMBLY VIO WIRE W/ INTERIOR ILLUMINATION LIGHT ASSEMBLY WHT WIRE WHT/BLK WIRE

AWD ECU ASSEMBLY BKUP LP FUSE BKUP LP RELAY BLK WIRE BLU WIRE BRAKE MASTER CYLINDER SUB-ASSEMBLY COMPRESSOR W/ MOTOR ASSEMBLY DEF RELAY DEICER RELAY DIODE (PARK/ NEUTRAL POSITION SWITCH ASSEMBLY) ENGINE ROOM R/B 1 ASSEMBLY ENGINE STOP, START ECU FROM ACC RELAY (DIAGRAM 6 OF 12) FRONT WIPER DEICER SWITCH GRN WIRE GRY WIRE LEFT BLIND SPOT MONITOR SENSOR LEFT HEADLIGHT ECU SUB-ASSEMBLY LT BLU WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY ORG/ WIRE PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/ORG WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RIGHT BLIND SPOT MONITOR SENSOR RIGHT HEADLIGHT ECU SUB-ASSEMBLY S/HTR F/L RELAY S/HTR F/R RELAY SHIFT LOCK CONTROL UNIT ASSEMBLY STEERING HEATER SWITCH STEERING SENSOR VEHICLE APPROACHING SPEAKER CONTROLLER VIO WIRE W/ 12.3 INCH DISPLAY W/ ADAPTIVE FRONT LIGHTING SYSTEM WHT WIRE YAW RATE SENSOR YEL WIRE

BBC 3 FUSE BEHIND LEFT QUARTERPANEL) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECO RUN CANCEL SWITCH ASSEMBLY ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (TRANSMISSION WIRE) EMP+ ENGINE ROOM R/B 1 ASSEMBLY ENGINE STOP, START SOLENOID FILTER FOG FR RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION CONTROL SUB-ASSEMBLY LT BLU WIRE MOP+ MOPI MULTI- DISPLAY ASSEMBLY NEO PNK WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/ORG WIRE PPL/PNK WIRE PPL/RED WIRE RADIO RECEIVER ASSEMBLY RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT END OF DASH) TELEVISION DISPLAY ASSEMBLY VACUUM SENSOR ASSEMBLY VIO WIRE W/ 12.3 INCH DISPLAY W/ 8 INCH DISPLAY W/ FRONT FOG LIGHT W/ REAR SEAT ENTERTAINMENT SYSTEM WHT WIRE WHT/BLK WIRE

A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 BLB BLK WIRE BRB CLEARANCE WARNING ECU ASSEMBLY COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-DCC 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG PPL/PNK WIRE INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY INTEGRATION CONTROL SUB-ASSEMBLY LEFT BLIND SPOT MONITOR SENSOR LT BLU WIRE METER MIRROR SUB-ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY NAVIGATION ECU NETWORK GATEWAY ECU PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/LT GRN WIRE PPL/ORG WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RIGHT BLIND SPOT MONITOR SENSOR RIGHT END OF DASH) VIO WIRE W/ 12.3 INCH DISPLAY W/ 8 INCH DISPLAY W/ HEAD UP DISPLAY W/O PANORAMIC WHT WIRE WHT/BLK WIRE YEL WIRE