Toyota Yaris 4th generation was produced in 2020, 2021, 2022, 2023, 2024, 2025 in a hatchback body, the off-road version is also popular – Toyota Yaris Cross and the version with a hybrid system. During this time, the model has been updated. In this publication you will find a description of the fuses and relays of the Toyota Yaris 4 with block diagrams and their locations. Let’s highlight the fuse responsible for the cigarette lighter.
The purpose of fuses and relays may differ from the one presented and depends on the year of manufacture, region of sale and equipment level of your vehicle.
Cabin block Toyota Yaris 4
Inside the car, the fuse box is located on the left side under the dashboard. To access it, you must remove the protective cover.
For right-hand drive models.
| № | A | Description |
|---|---|---|
| 1 | 5 | Idling |
| 2 | 10 | MIR HTR – Heated mirrors |
| 3 | 20 | DOOR R/R – Rear right door |
| 4 | 7.5 | OBD – On-Board Diagnostics |
| 5 | 10 | ECU-B NO.3 |
| 6 | 20 | DOOR F/R – Front right door |
| 7 | 20 | DOOR R/L – Rear left door |
| 8 | 20 | DOOR F/L – Front left door lock |
| 9 | 7.5 | DOME CUT – Backlighting and interior lighting |
| 10 | 5 | ECU-DCC NO.1 – engine control unit |
| 11 | 10 | ECU-DCC NO.2 – engine control unit |
| 12 | 20 | RADIO – Radio and audio system |
| 13 | 15 | D/L – Electric door locking system |
| 14 | 7.5 | USB NO.1 – USB Charger |
| 15 | 7.5 | ECU-ACC – engine control unit |
| 16 | Reserve | |
| 17 | 10 | DOOR BACK Rear door |
| 18 | Reserve | |
| 19 | 15 | WIPER RR – Rear wiper |
| 20 | 10 | EPS-IGR – Electric Power Steering |
| 21 | 10 | ECU-IGR NO.1 – Engine Control Unit |
| 22 | 7.5 | ECU-IGR NO.4 – Engine Control Unit |
| 23 | 10 | BKUP LP – Spare lights |
| 24 | 10 | ECU-IGR NO.2 – Engine Control Unit |
| 25 | 10 | A/BAG-IGR – Airbag |
| 26 | 5 | METER-IGR – Instrument panel |
| 27 | 5 | ECU-IGR NO.3 – Engine Control Unit |
| 28 | 10 | ECU-B NO.2 – Engine Control Unit |
| 29 | 10 | STOP – stop signs |
| 30 | 7.5 | ECU-B NO.1 – Engine Control Unit |
| 31 | 30 | TOWING – Trailer lights |
| 32 | 7.5 | AM2 – Launch System |
| 33 | 10 | STRG LOCK – Steering wheel lock |
| 34 | 15 | HAZ – Hazard Warning System |
| 35 | Reserve | |
| 36 | 7.5 | DOME – Dome light and interior lighting |
| 37 | 15 | P/OUTLET MO.1 – Additional power outlet |
| 38 | Reserve | |
| 39 | 25 | DOOR DBL/L – double door lock |
| 40 | Reserve | |
| 41 | 5 | DCM – Data Communication Module (Telematics System) |
Fuse number 37 at 15A is responsible for the operation of the cigarette lighter.
Block under the hood Toyota Yaris 4
Under the hood in the engine compartment on the left side is the main unit with fuses and relays.
Check the assignment of the elements with your diagram on the back of the protective cover.
| № | A | Marking |
|---|---|---|
| 1 | 7.5A | (INJ) Fuel injectors |
| 2 | 5A | (EFI NO.5) Fuel injection system |
| 3 | 7.5A | (EFI NO.2) Fuel injection system |
| 4 | 10A | (EFI NO.3) Fuel injection system |
| 5 | 10A | (EFI NO.4) Fuel injection system |
| 6 | 10A | ECU-IGP NO.3 |
| 7 | 5A | ECU-IGP NO.2 |
| 8 | 7.5A | EBU-IGP NO.1 |
| 9 | 15A | (WASHER) Windshield washer |
| 10 | – | EMPTY |
| 11 | 30A | (WIPER) Windshield wipers |
| 12 | 7.5A | (S-HORN) Siren / anti-theft system |
| 13 | 10A | (HORN) Siren |
| 14 | 20A | VVT |
| 15 | 20A | (TOWING-B NO.1) Trailer lighting |
| 16 | 25A | (EFI-MAIN NO.2) Fuel injection system |
| 17 | 10A | CAPACITOR |
| 18 | 10A | (A/F HTR) Air-Fuel Ratio Sensor |
| 19 | 30A | (EFI-MAIN NO.3) Fuel injection system |
| 20 | 7.5A | (EFI NO.1) Fuel injection system |
| 21 | 20A | (EFI-MAIN NO.1) Fuel injection system |
| 22 | 25A | GP-MAIN |
| 23 | 30A | J/C CUT |
| 24 | 7.5A | (SPARE1) Spare fuse |
| 25 | 20A | (SPARE2) Spare fuse |
| 26 | 25A | (SPARE3) Spare fuse |
| 27 | – | EMPTY |
| 28 | 30A | (FAN NO.1) Electric cooling fan |
| 29 | 40A | (ABS-MAIN) Anti-lock braking system |
| 30 | 30A | (ABS NO.2) Anti-lock braking system |
| 31 | 50A | (ABS NO.1) Anti-lock braking system |
| 32 | 60A | (FAN) Electric cooling fan |
| 33 | 80A | SUB R-B ALT |
| 34 | 120A | (DC/DC) DC to DC transformer 400 W |
| 35 | 80A | INP STD NO.1-3 |
| 36 | 80A | (EPS) Electric Power Steering |
| 37 | 60A | STD P/I NO.1 |
| 38 | 80A | SUB R/B BATT |
| 39 | 100A | INP STD NO.1-2 |
| 40 | 100A | INP STD NO.1-1 |
| 41 | 100A | (PTC HTR) Auxiliary heater |
| Relay | ||
| R1 | (EFI-MAIN NO.3) Fuel injection system | |
| R2 | (A/F HTR) Air-Fuel Ratio Sensor | |
| R3 | (EFI-MAIN NO.2) Fuel injection system | |
| R4 | (FAN NO.1) Electric cooling fan | |
| R5 | (EFI-MAIN NO.1) Fuel injection system | |
| R6 | (HORN) Siren | |
| R7 | (IGP) Ignition | |
| R8 | (WIPER) Windshield wipers | |
| R9 | VVT | |
| R10 | (S-HORN) Siren / anti-theft system | |
Another fuse block can be installed on the right side of the engine compartment.
High-capacity fuses may also be located on the positive terminal of the battery.