The 4th generation Toyota Harrier was produced in 2020, 2021, 2022, 2023, 2024, 2025, 2026 with the U80 body designation. During this time, the model has undergone an update. In this publication you can find a description of fuses and relays Toyota Harrier 4 with fuse box diagrams, their locations and photos. Note the cigarette lighter fuse.
Fuse and relay assignments may vary from those shown and depend on the year of manufacture, rate region, and equipment level of your vehicle.
Passenger compartment
In the vehicle interior, the fuse box is located on the left side under the instrument panel. The protective cover must be removed for access.
RHD
Photo for example
Check the diagrams against your designation from the unit cover.
Diagram
Assignment
| A/BAG-IGR | 10A SRS |
| AM1 | 5A Power supply |
| AM2 | 7.5A Entry and start system, hybrid system, immobiliser, power tailgate, shift control system, start, steering wheel lock, stop and start system, wireless door lock control |
| BKUP LP | 7.5A ABS, audio system, reverse control system, reverse light, blind spot monitoring system, brake hold system, combination meter, CVT and shift indicator, dynamic radar cruise control, electric parking brake, engine monitoring, front wiper and washer, hill start assist system, navigation system, panoramic vision control system, parking assist braking system, rear view control system, rear wiper and washer, telematics system, TOYOTA parking assist system, TRC, VSC |
| D/L | 15A Door lock control, entry and start system, immobiliser, start, steering wheel lock, wireless door lock control |
| DCM | 5A Audio system, navigation system, rear view monitoring system, telematics system |
| DOME | 7.5A Interior light |
| DOME CUT | 7.5A Interior lighting, electric tailgate actuator |
| DOOR BACK | 10A Rear door release, entry and start system, immobiliser system, start, steering wheel lock, wireless door lock control |
| DOOR DBL/L | 25A Double locking |
| DOOR F/L | 20A Electric window front left |
| DOOR F/R | 20A Electric window front right |
| DOOR R/L | 20A Electric rear left window |
| DOOR R/R | 20A Electric window rear right |
| ECU-ACC | 7.5A ABS, audio system, rear view monitoring system, brake hold system, combination meter, CVT and shift indicator, electric parking brake, engine management, hill start assist, multiplex communication system (CAN), navigation system, panoramic view monitoring system, rear view monitoring system, remote control mirror, stop and start system, telematics system, TRC, VSC, wireless charging system |
| ECU-B NO.1 | 7.5A ABS, Brake Hold System, Electric Parking Brake, Entry and Exit System, Hill Start Assist, Hybrid System, Immobiliser, Multiplex Communication System (CAN), Power Windows, Shift Control System, Start, Steering Lock, Tyre Pressure Warning System, TRC, VSC, Wireless Door Locking System |
| ECU-B NO.2 | 10A ABS, air conditioning, automatic high beam, automatic light control, brake hold system, charging, door lock control, downhill assist, electric parking brake, entry and start system, head light, hill start assist, hybrid system, immobiliser, automatic light switch-off system, light switch-on reminder, electric window, shift control, starting, steering lock, stop and start system, TRC, VSC, wireless door lock control |
| ECU-B NO.3 | 10A Power Source |
| ECU-DCC NO.1 | 5A Advanced parking system, automatic high beam, automatic light control, blind spot monitoring system, dynamic radar cruise control, front fog lamp, front wiper and washer, headlamp, headlamp level control, lighting, lane control system, automatic light switch-off system, light reminder, auxiliary connector (front fog lamp), panoramic vision system, parking assisted braking system, rear fog lamp, rear window glass |
| ECU-DCC NO.2 | 10A ABS, advanced parking system, air conditioning, audio system, automatic high beam, automatic light control, tailgate opener, reverse control, blind spot monitoring system, brake hold system, charging, combined meter, CVT and shift indicator, door lock control, dual locking, hill descent control, dynamic radar cruise control, electric parking brake, engine control, entry and start system, EPS, front fog lights, |
| ECU-IGR NO.1 | 10A ABS, advanced parking system, automatic high beam, automatic light control, blind spot monitoring system, brake hold system, combined meter, CVT and gear shift indicator, dynamic radar cruise control, electric parking brake, engine management, front fog lights, front wiper and washer, headlights, headlight level control, hill start assist, hybrid system, backlighting, lane control system, automatic entry and start system, EPS, front fog lights, front windscreen wiper and washer, headlights, headlight level control, hill start assist, hybrid system, lane keeping system, automatic entry and start system, EPS, front fog lights, front fog lights, front windscreen wiper and washer, headlights, headlights, headlight level control, hill start assist, hybrid system, backlighting, lane keeping system, automatic entry and start system, front fog lights, front fog lights, front windscreen wiper and washer |
| ECU-IGR NO.2 | 10A ABS, Air conditioning, Audio system, Automatic EC anti-glare mirror, Automatic high beam, Automatic light control, Rear door opener, Rear reversing control, Brake hold system, Combination meter, Door lock control, Dual locking, Downhill assist, Dynamic radar cruise control, Electric parking brake, Entry and start system, Front fog lights, Front wiper and washer, Headlights, Hill start assist, Lighting, Immobiliser, Interior lighting, Key reminder, Lane keeping assist system, Automatic light switch-off system, Light reminder, Multiplex communication system (CAN), Navigation system, Auxiliary connector (front fog lamps), Electric tailgate, Electric window, Collision avoidance system, Rear fog lamp, Rear view monitoring system, Rear wiper and washer, Remote control mirror, Seatbelt warning, SRS, Start, Steering lock, Stop and start system, Headlight, Telematics system, Theft deterrent, Tyre pressure warning system, TRC, VSC, Windscreen wiper, Wireless door lock control |
| ECU-IGR NO.3 | 5A ABS, Brake Hold System, Hill Descent Assist, Electric Parking Brake, Hill Start Assist, TRC, VSC |
| ECU-IGR NO.4 | 10A Stop and Start System |
| EPS-IGR | 5A Advanced parking system, EPS, parking assist brake system, TOYOTA Parking Assist-Sensor System |
| HAZ | 15A Combination meter, entry and start system, immobiliser system, electric tailgate, start, steering wheel lock, turn indicators and hazard warning lights, wireless door lock control |
| HTR | 40A Air conditioning |
| IDLE UP | 5A CVT and shift indicator, engine management |
| METER-IGR | 5A ABS, advanced parking system, air conditioning, audio system, automatic high beam, automatic light control, tailgate opener, reverse control, blind spot monitoring system, brake hold system, charging, combined meter, CVT and shift indicator, hill descent assist, dynamic radar cruise control, electric parking brake, engine control, entry and start system, EPS, front fog lamp, headlamp, hill start assist, hybrid system, lights, immobiliser, key reminder, |
| MIR HTR | 10A Heated mirrors, Rear window defroster |
| OBD | 7.5A DLC3 |
| P/OUTLET NO.1 | 15A Socket (cigarette lighter) |
| P/SEAT D | 30A Power seat |
| RADIO | 20A Audio system, Rear view monitoring system, Navigation system, Rear view monitoring system, Telematics system |
| SFT LOCK-ACC | 5A Gearshift lock |
| STOP | 10A ABS, brake hold system, CVT and shift indicator, downhill assist, dynamic radar cruise control, electric parking brake, engine control, entry and start system, hill start assist, hybrid system, immobiliser system, collision avoidance system, shift control system, shift lock, start, steering wheel lock, stop and start system, brake light, TRC, VSC, wireless door lock control |
| STRG LOCK | 10A Entry and start system, immobiliser system, engine start, steering wheel lock, wireless door lock control |
| TOWING | 30A Auxiliary socket (trailer towing) |
| USB NO.1 | 7.5A Power outlet, USB |
| WIPER RR | 15A Front wiper and washer, rear wiper and washer |
The fuse labelled P/OUTLET is responsible for the operation of the cigarette lighter.
Engine compartment
There are 2 blocks with fuses and relays under the bonnet.
Fuse and relay box
Located on the left side.
Diagram
Designation
| A/F HTR | Variator and gearshift indicator, engine management |
| ABS NO.1 | ABS, brake holding system, electric parking brake, hill start assist, TRC, VSC |
| ABS NO.2 | ABS, brake holding system, electric parking brake, hill start assist, TRC, VSC |
| BATT-S NO.1 | Charging, stop and start system |
| BBC NO.1 | Stop and start system |
| BBC NO.2 | Stop and start system |
| D INJ | Variator and gearshift indicator, engine management |
| D/C CUT | Power supply |
| D/C CUT | Power supply |
| ECU-IGP NO.1 | Variator and gearshift indicator, engine management |
| ECU-IGP NO.2 | Gearshift lock |
| ECU-IGP NO.3 | ABS, air conditioning, variator and gearshift indicator, dynamic radar cruise control, engine management, heated steering wheel, hill start assist, immobiliser, heated mirrors, multiplex communication system (CAN), rear window heater, heated seats, stop and start system, brake light, TRC, VSC |
| EFI NO.1 | Variator and gearshift indicator, engine management |
| EFI NO.2 | Cooling fan, variator and gearshift indicator, engine management |
| EFI NO.3 | Variator and gearshift indicator, engine management, stop and start system |
| EFI NO.4 | CVT and gearshift indicator, engine management |
| EFI NO.5 | Variator and gearshift indicator, engine management |
| EFI-MAIN NO.1 | Cooling fan, variator and gearshift indicator, engine management |
| EFI-MAIN NO.2 | Variator and gearshift indicator, engine management |
| EFI-MAIN NO.3 | Variator and gearshift indicator, engine management |
| EPS | EPS |
| FAN NO.1 | Cooling fan |
| HORN | Horn, anti-theft system |
| IGP-MAIN | Power supply |
| IGP-MAIN | Power supply |
| INJ | Variator and gearshift indicator, engine management, ignition |
| INP STD NO.1-1 | Air conditioner, variator and gearshift indicator, engine management, lighting, heated mirrors, rear fog lamp, rear window heater, remote control mirror, seat heating, tail lamp |
| PTC HTR | Air conditioner |
| R/B ALT | Power supply |
| ST NO.1 | Entry and start system, immobiliser system, start, steering lock, stop and start system, wireless door lock control |
| STD P/I NO.1 | Automatic high beam system, automatic light control, front fog lamp, headlamp, headlamp level control, lighting, automatic light switch-off system, light reminder, auxiliary connector (front fog lamp), tail lamp |
| SUB R/B ALT | Power supply |
| SUB R/B BATT | Power supply |
| TOWING-B | Additional connector (Trailer towing) |
| WASHER | Front wiper and windscreen washer, rear wiper and windscreen washer |
| WIPER | Front wiper and windscreen washer, rear wiper and windscreen washer. |
| H-LP RH | Right headlamp. Right headlamp washer. |
| H-LP LH | Left headlamp. Left headlamp washer. |
| VVT | Timing and valve lift control system. |
| IG2 № 1 | Distributed/sequential fuel injection system |
| ST № 1 | Starter. Starting system. |
| FOG FR | Front fog lamps. |
| DEF | Rear window and mirror heater. |
Relay box
Installed on the right side.
Diagram
Allocation
| AMP NO.1 | 30A Audio system, Navigation system, Rear view system, Telematics system |
| AMP NO.2 | 30A Audio system, Navigation system, Rear view system, Stop & Start system, Telematics system |
| BBC NO.3 | 50A Stop & Start system |
| DEICER | 15A Windscreen defroster |
| EPB | 30A ABS, Brake holding system, Hill descent assist, Electric parking brake, Hill start assist, TRC, VSC |
| IR | 5A Advanced Parking System, Parking Brake Assist System, TOYOTA Sensor Parking Assist System |
| PBD | 30A Electric tailgate |
| S-HORN | 7.5A Anti-theft system |
| STRG-HTR | 15A Steering wheel heating system |
A high power fuse box is mounted on and near the plus terminal of the battery.
- ALT – 140A Charging, Stop & Start system
- BATT-MAIN NO.1 – 120A Power source
- INP STD NO.1-2 – 100A Interior lighting, electric tailgate drive
Any questions left, ask them in the comments.