Toyota Grand Highlander I (2023-2024) Ground distribution circuit

2.4L TURBO HYBRID 2.4L TURBO, 2.4L TURBO HYBRID 2.5L HYBRID 2.5L HYBRID, 2.4L TURBO 2.5L HYBRID, 2.4L TURBO HYBRID BRAKE LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE CLEARANCE WARNING ECU ASSEMBLY ECT- MAIN RELAY EFI MAIN 2 RELAY EFI- MAIN 3 RELAY ENGINE WATER PUMP ASSEMBLY HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) HYBRID VEHICLE CONTROL ECU ASSEMBLY IGCT 1 RELAY IGCT 2 RELAY IGP 1 RELAY IGP 2 RELAY IGT/ INJ RELAY INJ RELAY INV RELAY LEFT FRONT SIDE RADAR SENSOR MILLIMETER WAVE RADAR SENSOR ASSEMBLY OIL PMP RELAY PPL RADIATOR SHUTTER ASSEMBLY RIGHT FRONT SIDE RADAR SENSOR SEMICONDUCTOR POWER INTEGRATION ECU SHIFT CONTROL ACTUATOR ASSEMBLY ST 1 RELAY STOP LIGHT SWITCH ASSEMBLY VVT RELAY WASHER LEVEL WARNING SWITCH (WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY) WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER

2.4L TURBO HYBRID 2.5L HYBRID 2.5L HYBRID, 2.4L TURBO HYBRID BLK/BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRN WIRE DC/DC CONVERTER ASSEMBLY ECM SHIELD ECO RUN VEHICLE CONVERTER ASSEMBLY ENGINE ROOM R/B 1 WIPER RELAY FORWARD RECOGNITION CAMERA FRONT WIPER MOTOR, LINK ASSEMBLY HYBRID MOTOR CONTROL INVERTER ASSEMBLY LEFT FRONT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY OIL PUMP ASSEMBLY PPL RIGHT FRONT FOG LIGHT ASSEMBLY SEMICONDUCTOR POWER INTEGRATION ECU SHIFT CONTROL ACTUATOR ASSEMBLY VEHICLE APPROACHING SPEAKER CONTROLLER W/ LED W/O LED WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER RELAY ASSEMBLY

2.4L TURBO HYBRID 2.5L HYBRID, 2.4L TURBO 2.5L HYBRID, 2.4L TURBO HYBRID AIR BAG ECU ASSEMBLY AIR CONDITIONING CONTROL ASSEMBLY AL (LEFT KICK PANEL) BLUETOOTH LOW ENERGY INDOOR DIGITAL KEY RECEIVER ASSEMBLY BRN WIRE DOOR CONTROL SWITCH ASSEMBLY DRIVER MONITOR ECU ASSEMBLY ENGINE ROOM R/B 1 ENGINE ROOM R/B 2 IGP 3 RELAY ENGINE STOP, START ECU FROM GROUND CA (DIAGRAM 4 OF 10) FRONT WIPER DEICER (WINDSHIELD GLASS) HAZARD WARNING SIGNAL SWITCH ASSEMBLY HYBRID VEHICLE CONTROL ECU ASSEMBLY INNER REAR VIEW MIRROR ASSEMBLY INV W/PMP RELAY LEFT FRONT SPOT LIGHT ASSEMBLY LEFT REAR SPOT LIGHT ASSEMBLY LEFT VISOR ASSEMBLY MAP LIGHT ASSEMBLY OIL PMP RELAY PANORAMIC VIEW MONITOR SWITCH PPL RAIN SENSOR RIGHT FRONT SPOT LIGHT ASSEMBLY RIGHT REAR SPOT LIGHT ASSEMBLY RIGHT VISOR ASSEMBLY SHIFT LOCK CONTROL UNIT ASSEMBLY SHIFT POSITION INDICATOR STEERING SENSOR TELEMATICS TRANSCEIVER TO GROUND CA (DIAGRAM 4 OF 10) TO GROUND CE (DIAGRAM 6 OF 10) TRANSMISSION FLOOR SHIFT ASSEMBLY WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER RELAY ASSEMBLY

+BA RELAY 2.5L HYBRID, 2.4L TURBO HYBRID ACC RELAY ALL DOOR LOCK RELAY AUTO HIGH BEAM SWITCH BRN WIRE CA (UPPER LEFT END OF DASH) COMBINATION METER ASSEMBLY D DOOR UNLOCK RELAY DLC 3 FUEL LID OPENER SWITCH FUEL OPN RELAY HYBRID VEHICLE CONTROL ECU ASSEMBLY IGR 1 RELAY IGR 2 RELAY L/D DOOR UNLOCK RELAY 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 LEFT SEAT MEMORY SWITCH MAIN BODY ECU METER MIRROR SUB-ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY OPTION CONNECTOR (DVR) P/OUTLET RELAY POWER BACK DOOR CONTROL SWITCH POWER OUTLET SWITCH PPL PPL/BRN WIRE RR DEF RELAY SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) SUNSHADE CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) TO GROUND CD (DIAGRAM 3 OF 10) W/ MEMORY W/O MEMORY W/O PANORAMIC VIEW MONITOR SYSTEM WHT/BLK WIRE

2.4L TURBO HYBRID 2.5L HYBRID 2.5L HYBRID, 2.4L TURBO HYBRID BATTERY COOLING BLOWER ASSEMBLY BATTERY VOLTAGE SENSOR BLOWER MOTOR CONTROL BLUETOOTH LOW ENERGY LUGGAGE DIGITAL KEY RECEIVER ASSEMBLY BRN WIRE CAN JUNCTION TERMINAL 2 DIGITAL KEY ECU ASSEMBLY FROM GROUND HC (DIAGRAM 8 OF 10) HA (RIGHT "B" PILLAR) HV SUPPLY BATTERY ASSEMBLY INTER LOCK SWITCH (SERVICE PLUG GRIP) LEFT USB CHARGER SOCKET 3 MAIN RELAY POWER OUTLET SOCKET ASSEMBLY 2 POWER OUTLET SOCKET ASSEMBLY 2 SHIELD POWER OUTLET SOCKET ASSEMBLY 3 SHIELD PPL PPL/BLK WIRE REAR BLOWER W/ FAN MOTOR SUB- ASSEMBLY REAR SEAT INNER BELT ASSEMBLY 2 REAR SEAT INNER BELT W/ CENTER ASSEMBLY RIGHT FRONT POWER SEAT SWITCH ASSEMBLY RIGHT FRONT SEAT CUSHION HEATER 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 INNER BELT ASSEMBLY RIGHT SEAT CUSHION CLIMATE BLOWER SUB-ASSEMBLY RIGHT USB CHARGER SOCKET 3 TRACTION BATTERY DEVICE BOX ASSEMBLY 1 PRECHARGE RELAY USB CHARGER SOCKET USB CHARGER SOCKET 2 VOLTAGE INVERTER VOLTAGE INVERTER SHIELDS WHT/BLK WIRE

2.4L TURBO HYBRID AIR BAG ECU ASSEMBLY AIR CONDITIONING AMPLIFIER ASSEMBLY BRN WIRE CAN JUNCTION TERMINAL 1 CB (RIGHT END OF DASH) CERTIFICATION ECU DOME CUT RELAY 2 ELECTRIC PARKING BRAKE SWITCH ASSEMBLY ID CODE BOX INSTRUMENT PANEL R/B 1 MULTIPLEX NETWORK STEERING ECU NETWORK GATEWAY ECU PATTERN SELECT SWITCH POWER OUTLET SOCKET ASSEMBLY 1 POWER OUTLET SOCKET ASSEMBLY 2 PPL RADIO, DISPLAY RECEIVER ASSEMBLY RIGHT BLUETOOTH LOW ENERGY DOOR DIGITAL KEY RECEIVER ASSEMBLY 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 SPIRAL CABLE SUB-ASSEMBLY TRANSMISSION FLOOR SHIFT ASSEMBLY W/ MEMORY W/O MEMORY W/O PANORAMIC VIEW MONITOR SYSTEM WHT/BLK WIRE

2.4L TURBO HYBRID 2.5L HYBRID 2.5L HYBRID, 2.4L TURBO HYBRID AIR CONDITIONING CONTROL ASSEMBLY 2 BLK WIRE BRAKE CONTROL POWER SUPPLY ASSEMBLY CAN JUNCTION TERMINAL 3 CAN JUNCTION TERMINAL 5 CANISTER PUMP MODULE ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY FROM GROUND MA (DIAGRAM 8 OF 10) FUEL FILLER OPENING LID LOCK SUB-ASSEMBLY HE (LEFT "B" PILLAR) HG (BASE OF LEFT "C" PILLAR) HH (BASE OF LEFT "D" PILLAR) INTEGRATION CONTROL SUPPLY KICK DOOR CONTROL SENSOR ASSEMBLY LEFT BLIND SPOT MONITOR SENSOR LEFT BLUETOOTH LOW ENERGY DOOR DIGITAL KEY RECEIVER ASSEMBLY LEFT FRONT POWER SEAT SWITCH ASSEMBLY LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR DOOR LOCK W/ MOTOR ASSEMBLY LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LEFT REAR SEAT CUSHION HEATER ASSEMBLY 1 LEFT REAR SEAT INNER BELT ASSEMBLY LEFT REAR SEAT INNER BELT ASSEMBLY 2 LEFT SEAT CUSHION CLIMATE BLOWER SUB-ASSEMBLY LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT USB CHARGER SOCKET 4 MOBILE WIRELESS CHARGER CRADLE ASSEMBLY OPTION CONNECTOR (TOWING) PARKING ASSIST ECU POWER BACK DOOR WARNING BUZZER POWER OUTLET SOCKET ASSEMBLY 3 PPL PPL/BLK WIRE REAR TRANSAXLE W/ MOTOR ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY STEREO COMPONENT EQUALIZER ASSEMBLY TRANSAXLE W/ MOTOR, INVERTER ASSEMBLY W/ MEMORY W/O MEMORY WHT WIRE WHT/BLK WIRE

BACK DOOR CONTROL SWITCH BACK DOOR LOCK W/ COURTESY LIGHT SWITCH ASSEMBLY BACK DOOR OPENER SWITCH W/ LICENSE PLATE LIGHT ASSEMBLY BATT FAN RELAY CAN JUNCTION TERMINAL 4 LEFT REAR LIGHT ASSEMBLY LUGGAGE ROOM R/B 1 MA (CENTER OF LIFTGATE) MULTIPLEX NETWORK DOOR ECU POWER BACK DOOR CONTROL SWITCH 1 PPL PPL/BLK WIRE REAR WINDOW DEFOGGER (BACK DOOR GLASS) REAR WIPER MOTOR ASSEMBLY RIGHT BLIND SPOT MONITOR SENSOR RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR SEAT CUSHION HEATER ASSEMBLY 1 RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT USB CHARGER SOCKET 4 TO GROUND HB (DIAGRAM 5 OF 10) TO GROUND HG (DIAGRAM 7 OF 10) VOLTAGE INVERTER WHT/BLK WIRE

2.4L TURBO HYBRID 2.4L TURBO, 2.4L TURBO HYBRID 2.5L HYBRID AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR 2 (BANK 1 SENSOR 2) SHIELD BA (TOP FRONT OF ENGINE) BG (TOP FRONT OF ENGINE) BLK WIRE BRN WIRE CAM TIMING OIL CONTROL MOTOR W/ EDU ASSEMBLY COMPRESSOR W/ MOTOR ASSEMBLY COMPRESSOR W/ PULLEY ASSEMBLY DC/DC CONVERTER ASSEMBLY DIRECT FUEL INJECTOR ASSEMBLY 1 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 2 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 3 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 4 SHIELD FAN W/ MOTOR ASSEMBLY FUEL PUMP ASSEMBLY (ENGINE ROOM SIDE) SHIELD HYBRID MOTOR CONTROL INVERTER ASSEMBLY IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 KNOCK CONTROL SENSOR SHIELD NCA WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) WATER INLET HOUSING W/ WATER PUMP SUB-ASSEMBLY WHT WIRE WHT/BLK WIRE

2.4L TURBO HYBRID 2.5L HYBRID 2.5L HYBRID, 2.4L TURBO HYBRID BATTERY BATTERY (2.4L TURBO) BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BM (FRONT OF ENGINE) BRN WIRE ELECTRIC WATER PUMP ASSEMBLY FUEL PUMP CONTROL ECU HYBRID VEHICLE CONTROL ECU ASSEMBLY INVERTER WATER PUMP W/ MOTOR ASSEMBLY NCA WIRE PPL RADIO SETTING CONDENSER RIGHT HEADLIGHT ASSEMBLY SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) TRANSMISSION CONTROL ECU ASSEMBLY VOLTAGE INVERTER SHIELDS W/ LED W/O LED WHT WIRE WHT/BLK WIRE