Ground distribution circuit for Toyota Highlander IV (2019-2024)

AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR 2 (BANK 2 SENSOR 1) SHIELD BATTERY BLK WIRE BLK/DK GRN WIRE BLK/GRY WIRE BLOWER W/ FAN MOTOR SUB ASSEMBLY BRAKE ACTUATOR ASSEMBLY BRN WIRE CA (HYBRID) CB (HYBRID) CD (EXCEPT HYBRID) (TOP LEFT REAR OF ENGINE) CG (HYBRID) CK (HYBRID) DIODE (HEATER WATER PUMP ASSEMBLY) ENGINE ROOM R/B 2 ASSEMBLY FUEL PUMP CONTROL ECU GA (LEFT CENTER OF DASH) KNOCK CONTROL SENSOR (BANK 1) SHIELD KNOCK CONTROL SENSOR (BANK 2) SHIELD LOW/HIGH DRL OA (EXCEPT HYBRID) OA (HYBRID) QUICK HEATER ASSEMBLY RADIATOR SHUTTER SUB- ASSEMBLY RIGHT FOG LIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY RIGHT HEADLIGHT ECU SUB-ASSEMBLY RIGHT STEERING PAD SWITCH S/HTR R/L RELAY S/HTR R/R RELAY SHIELD SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY SWING GRILLE ACTUATOR ASSEMBLY W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ DOUBLE BEAM HEADLIGHT W/ SINGLE BEAM HEADLIGHT W/ STOP/ START SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE

BATT FAN 1 RELAY BATT FAN 2 RELAY BLK WIRE BLOWER ASSEMBLY BLOWER MOTOR CONTROL BLU WIRE CAM TIMING CONTROL W/ EDU MOTOR ASSEMBLY CC (HYBRID) CENTER REAR SEAT INNER BELT ASSEMBLY FROM GROUND MF (DIAGRAM 3 OF 9) FRONT WIPER DEICER (WINDSHIELD GLASS) IGCT RELAY IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 INVERTER WATER PUMP W/ MOTOR ASSEMBLY KICK DOOR CONTROL SENSOR LEFT FRONT POWER SEAT SWITCH LEFT FRONT SEAT HEATER ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LT GRN WIRE MB (RIGHT "B" PILLAR) OCCUPANT DETECTION ECU POSITION CONTROL ECU ASSEMBLY PPL RED WIRE RIGHT BLIND SPOT MONITOR SENSOR RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY RIGHT FRONT POWER SEAT SWITCH RIGHT FRONT SEAT HEATER ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR DOOR LOCK W/ MOTOR ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR SEAT HEATER ASSEMBLY RIGHT REAR SEAT INNER BELT ASSEMBLY RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY SHIELD W/ MEMORY W/ REAR SEPARATE SEAT 1 W/ SEAT HEATER W/O MEMORY W/O SEAT HEATER WHT WIRE WHT/BLK WIRE YAW RATE SENSOR

AWD ECU ASSEMBLY BACK DOOR LOCK ASSEMBLY W/ COURTESY LIGHT SWITCH BACK DOOR OPENER SWITCH ASSEMBLY BATTERY VOLTAGE SENSOR CANISTER PUMP MODULE CENTER STOP LIGHT ASSEMBLY ENGINE COOLANT TEMPERATURE SENSOR 2 FROM GROUND MG (DIAGRAM 4 OF 9) GRY WIRE HV BATTERY JUNCTION BLOCK ASSEMBLY INTERLOCK SWITCH (SERVICE PLUG GRIP) LEFT BATTERY COOLING BLOWER ASSEMBLY LEFT BLIND SPOT MONITOR SENSOR LEFT CURTAIN SHIELD AIR BAG ASSEMBLY LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR DOOR LOCK W/ MOTOR ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LEFT REAR SEAT INNER BELT ASSEMBLY LEFT REAR SEAT INNER BELT ASSEMBLY 2 MF (LEFT "B" PILLAR) MULTIPLEX NETWORK DOOR ECU POWER BACK DOOR CONTROL SWITCH 1 POWER BACK DOOR WARNING BUZZER POWER OUTLET SOCKET ASSEMBLY 3 PPL REAR WINDOW DEFOGGER (BACK WINDOW GLASS) REAR WIPER MOTOR ASSEMBLY RIGHT BATTERY COOLING BLOWER ASSEMBLY RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY SHIELD TO GROUND ME (DIAGRAM 2 OF 9) W/O MEMORY WHT/BLK WIRE

A/C AMPLIFIER ASSEMBLY BRN WIRE CAN JUNCTION TERMINAL 1 CAN JUNCTION TERMINAL 2 CERTIFICATION ECU CLEARANCE WARNING ECU ASSEMBLY DCM (TELEMATICS TRANSCEIVER) DOWNHILL ASSIST CONTROL SWITCH ECO RUN CANCEL SWITCH ASSEMBLY ELECTRIC PARKING BRAKE SWITCH ASSEMBLY EXCEPT HYBRID FUEL LID W/ MOTOR LOCK ASSEMBLY GLOVE BOX LIGHT ASSEMBLY HA (RIGHT END OF DASH) HAZARD WARNING SIGNAL SWITCH ASSEMBLY ID CODE BOX (IMMOBILIZER CODE ECU) LEFT REAR SEAT HEATER ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY NETWORK GATEWAY ECU PATTERN SELECT SWITCH PATTERN SELECT SWITCH ASSEMBLY PPL REAR POWER OUTLET SOCKET ASSEMBLY 1 SHIFT LOCK CONTROL UNIT ASSEMBLY SHIFT POSITION INDICATOR STEREO COMPONENT AMPLIFIER ASSEMBLY TELLTALE LIGHT ASSEMBLY TO GROUND HB (DIAGRAM 5 OF 9) TO GROUND HG (DIAGRAM 5 OF 9) TO GROUND MH (DIAGRAM 3 OF 9) USB RELAY 1 USB RELAY 2 VOLTAGE INVERTER ASSEMBLY VSC OFF SWITCH W/ PARKING SUPPORT BRAKE SYSTEM W/ SEPARATE AMPLIFIER W/ STOP/ START SYSTEM WHT/BLK WIRE

A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 AIR BAG SENSOR ASSEMBLY COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 DOOR CONTROL SWITCH ASSEMBLY EXCEPT HYBRID FROM GROUND HA FROM GROUND HA (DIAGRAM 4 OF 9) FROM GROUND HB FROM GROUND HD (DIAGRAM 6 OF 9) FROM GROUND HG (DIAGRAM 5 OF 9) FRONT WIPER DEICER SWITCH HC (LEFT END OF DASH) HE (LEFT KICK PANEL) HG (RIGHT KICK PANEL) INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT DOOR LOCK W/ MOTOR ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY METER MIRROR SUB-ASSEMBLY MOBILE WIRELESS CHARGER CRADLE ASSEMBLY OUTER MIRROR SWITCH ASSEMBLY P/ OUTLET RELAY 1 PARKING ASSIST ECU POWER OUTLET SOCKET ASSEMBLY 1 POWER OUTLET SOCKET ASSEMBLY 2 POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY PPL RIGHT FRONT DOOR LOCK W/ MOTOR ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SEAT MEMORY SWITCH SPIRAL CABLE SUB-ASSEMBLY STEERING HEATER SWITCH STEERING LOCK ACTUATOR/UPPER BRACKET ASSEMBLY STEERING SENSOR STRG HTR RELAY TO GROUND HB (DIAGRAM 5 OF 9) TO GROUND HC TO GROUND HD USB CHARGER SOCKET USB CHARGER SOCKET 2 W/ 12.3 INCH DISPLAY W/ 8 INCH DISPLAY W/ HEAD UP DISPLAY W/ MEMORY W/O MEMORY WHT/BLK WIRE YEL 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

A/F HTR RELAY BRN WIRE DEF RELAY ECO RUN VEHICLE CONVERTER ASSEMBLY EFI MAIN RELAY EFI MAIN RELAY 2 EFI- MAIN RELAY 3 ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) EXCEPT HYBRID FUEL PUMP RELAY HEATER WATER PUMP ASSEMBLY INTEGRATION CONTROL SUB-ASSEMBLY INV RELAY INV W/ PMP RELAY INVERTER W/ CONVERTER ASSEMBLY LEFT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY LEFT HEADLIGHT ECU SUB-ASSEMBLY LEVEL WARNING SWITCH ASSEMBLY (WASHER MOTOR, PUMP ASSEMBLY) MIR HTR RELAY MULTI- DISPLAY ASSEMBLY NAVIGATION ECU OIL PMP RELAY OIL PUMP W/ MOTOR ASSEMBLY RADIO RECEIVER ASSEMBLY RADIO SETTING CONDENSER RADIO, DISPLAY RECEIVER ASSEMBLY S/HTR F/L RELAY S/HTR F/R RELAY ST RELAY VVT RELAY W/ 12.3 INCH DISPLAY W/ 8 INCH DISPLAY W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ DOUBLE BEAM HEADLIGHT W/ SINGLE BEAM HEADLIGHT W/ STOP/ START SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM W/O MEMORY WHT/BLK WIRE WIPER RELAY WIRELESS DOOR LOCK BUZZER

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 FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR (BANK 1 SENSOR 2) SHIELD AWD ECU ASSEMBLY BLK WIRE BLK/BLU WIRE BRN WIRE COMPRESSOR W/ MOTOR ASSEMBLY COOLING FAN ECU DATA LINK CONNECTOR 3 DIRECT FUEL INJECTOR ASSEMBLY 1 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 2 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 3 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 4 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 5 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 6 SHIELD ECM SHIELD ENGINE WATER PUMP ASSEMBLY EXCEPT HYBRID MK (HYBRID) POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) RED WIRE SA SB SHIELD VIO WIRE VOLTAGE INVERTER ASSEMBLY SHIELD VSV (FUEL PUMP) SHIELD W/ DYNAMIC TORQUE CONTROL AWD W/ DYNAMIC TORQUE VECTORING AWD WHT/BLK WIRE