Toyota 4Runner (2020 – 2024) Fuse Box Location & Diagrams
Electrical gremlins in your 2020–2024 Toyota 4Runner can be a headache, especially when you can’t find the right fuse. This comprehensive manual simplifies your troubleshooting, providing clear, easy-to-follow diagrams and precise locations for every fuse box, ensuring you can quickly restore your vehicle’s power and performance.
Fuse Box Location
Engine Compartment Fuse Box
Push the tabs in and lift the lid off.

Passenger Compartment Fuse Box
The fuse panel is located below the dashboard.
Fuse Box Diagrams
Engine Compartment Fuse Box
Toyota 4Runner (2020 – 2024)

| № | Amps | Name | Description |
|---|---|---|---|
| 3 | 7.5A | EFI NO.2 | Multiport fuel injection system |
| 11 | 25A | EFI-MAIN NO.1 | Multiport fuel injection system |
| 13 | 20A | A/F | Air fuel ratio sensor |
| 15 | 10A | INJ | Fuel injectors |
| 16 | 10A | INJ NO.3 | Fuel injectors |
| 17 | 20A | IG2 | Protects several circuits |
| 20 | 10A | AI VSV | AI VSV |
| 21 | 10A | AIR PMP HTR | AIR PMP HTR |
| 22 | 30A | SUB BATT | SUB BATT |
| 23 | 10A | STOP | Stop lights |
| 24 | 10A | MIR HTR | Mirror heater |
| 25 | 30A | TOWING BRK | Trailer brakes |
| 26 | 20A | DEICER | Deicer or defroster |
| 27 | 10A | A/C COMP | Air conditioning compressor |
| 31 | 7.5A | P/OUTLET NO.2 | Cigar lighter / power outlet |
| 33 | 10A | FOG FR | Front fog lights |
| 35 | 30A | TOWING TAIL | Trailer lights |
| 36 | 30A | DOOR BACK | DOOR BACK |
| 37 | 30A | DEF | Rear window defogger |
| 39 | 140A | ALT | Battery and charging system |
| 41 | 10A | H-LP LH | Left-hand headlight |
| 42 | 10A | H-LP RH | Right-hand headlight |
| 45 | 10A | H-LP LH-LO | Left-hand headlight low beam |
| 46 | 10A | H-LP RH-LO | Right hand headlight low beam |
| 48 | 10A | DOME | Dome light and interior light |
| 49 | 10A | ECU-B | Engine control unit |
| 51 | 10A | HORN | Horn |
| 53 | 30A | PRB | PRB |
| 54 | 10A | S-HORN | Horn / anti-theft deterrent |
| 55 | 10A | ETCS | Electronic throttle control system |
| 56 | 15A | STRG LOCK | Steering lock |
| 57 | 7.5A | ALT-S | Battery and charging system |
| 58 | 10A | ODS | Occupant detection system (airbag) |
| 59 | 20A | H-LP HI | Headlights high beam |
| 61 | 25A | D/L NO.1 | Power door lock system |
| 63 | SHORT PIN | SHORT PIN | Short circuit pin or jumper connection to shut off current |
| 68 | 50A | J/B-B | Junction box bus |
| 69 | 30A | ST | Starter system |
| 70 | 50A | AIR PMP | AIR PMP |
| 71 | 30A | TOWING | Trailer lights |
| 72 | 30A | ABS NO.2 | Anti-lock braking system |
| 73 | 50A | ABS NO.1 | Anti-lock braking system |
| 76 | 50A | PTC HTR NO.1 | Additional heater |
| 78 | 30A | PTC HTR NO.2 | Additional heater |
| 79 | 80A | 400W INV | Power outlet (DC/AC inverter) |
| 80 | 30A | PTC HTR NO.3 | Additional heater |
| 82 | 50A | HTR | Air conditioning system |
| 84 | 10A | SPARE | Spare fuse |
| 85 | 15A | SPARE | Spare fuse |
| 86 | 25A | SPARE | Spare fuse |
Passenger Compartment Fuse Box
Toyota 4Runner (2020 – 2024)

| № | Amps | Name | Description |
|---|---|---|---|
| 1 | 10A | TAIL | Tail lights |
| 2 | 7.5A | PANEL | Instrument panel lights |
| 3 | 10A | IGN | Ignition |
| 4 | 10A | IGN NO.2 | Ignition |
| 5 | 7.5A | METER | Instrument cluster |
| 6 | 20A | AVS | AVS |
| 7 | 10A | KDSS | KDSS |
| 8 | 20A | 4WD | All wheel drive system |
| 9 | 10A | A/BAG IG2 | Airbag |
| 10 | 10A | IGN NO.3 | Ignition |
| 11 | 7.5A | FOG RR | Rear fog lights |
| 13 | 7.5A | AM1 | Starter system |
| 14 | 10A | STRG HTR | Heated steering wheel |
| 15 | 7.5A | OBD | On-board diagnostics |
| 16 | 7.5A | A/C | Air conditioning |
| 17 | 10A | DOOR B | Power door lock system |
| 18 | 7.5A | DCM | Data communication module (telematics system) |
| 19 | 10A | ECU-B NO.2 | Engine control unit |
| 20 | 7.5A | SMART | Smart key system |
| 21 | 20A | RAD NO.1 | Audio system |
| 22 | 15A | HAZ | Hazard light |
| 23 | 10A | ECU-B NO.3 | Engine control unit |
| 24 | 10A | COOLING | COOLING |
| 25 | 10A | ECU-IG NO.3 | Engine control unit |
| 26 | 15A | WSH RR | Rear wiper |
| 27 | 15A | WIP RR | Rear wiper |
| 28 | 25A | DOOR D | DOOR D |
| 29 | 25A | S/ROOF | Sunroof |
| 30 | 10A | TOWING BKUP | Trailer lights |
| 31 | 10A | BKUP LP | Backup lights |
| 32 | 10A | ECU-IG NO.2 | Engine control unit |
| 33 | 10A | IG1 | Protects several circuits |
| 34 | 10A | ECU-IG NO.1 | Engine control unit |
| 36 | 25A | DOOR R/L | Rear left door |
| 37 | 30A | P/SEAT F/L | Power seats |
| 39 | 25A | DOOR P | DOOR P |
| 40 | 30A | WIPER | Wipers |
| 41 | 30A | RAD NO.2 | Audio system |
| 42 | 30A | AMP | Audio system |
| 43 | 20A | S/HTR FR | Front seat heater |
| 44 | 20A | WASHER | Windshield washer |
| 45 | 30A | P/SEAT F/R | Power seats (for High Current) |
| 46 | 25A | DOOR R/R | Rear right door |
| 47 | 15A | P/OUTLET | Cigar lighter / power outlet |
| 48 | 7.5A | ACC | Protects several accesory circuits |




