Toyota Yaris 4 generation was produced in 2020, 2021, 2022, 2023, 2024, 2025, 2026 in the hatchback body, as popular version of off-road – Toyota Yaris Cross and version with a hybrid system. During this time, the model has undergone an update. In this publication you will find a description of fuses and relays Toyota Yaris 4 with schematics of blocks and their locations. Let’s highlight the fuse responsible for the cigarette lighter.
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.
Diagram
Assignment
| 1 | IDLE UP |
| 2 | (MIR HTR) Mirror heater |
| 3 | (DOOR R/R) Rear right door |
| 4 | (OBD) On-board diagnostics |
| 5 | ECU-B NRO.3 |
| 6 | (DOOR F/R) Front right door |
| 7 | (DOOR R/L) Rear left door |
| 8 | (DOOR F/L) Front left door lock |
| 9 | (DOME CUT) Dome light and interior light |
| 10 | (ECU-DCC NO.1) Engine control unit |
| 11 | (ECU-DCC NO.2) Engine control unit |
| 12 | (RADIO) Radio and audio system |
| 13 | (D/L) Power door lock system |
| 14 | (USB NO.1) USB charger |
| 15 | (ECU-ACC) Engine control unit |
| 16 | EMPTY |
| 17 | DOOR BACK |
| 18 | EMPTY |
| 19 | (WIPER RR) Rear wiper |
| 20 | (EPS-IGR) Electric power steering |
| 21 | (ECU-IGR NO.1) Engine control unit |
| 22 | (ECU-IGR NO.4) Engine control unit |
| 23 | (BKUP LP) Backup lights |
| 24 | (ECU-IGR NO.2) Engine control unit |
| 25 | (A/BAG-IGR) Airbag |
| 26 | (METER-IGR) Instrument cluster |
| 27 | (ECU-IGR NO.3) Engine control unit |
| 28 | (ECU-B NO.2) Engine control unit |
| 29 | (STOP) Stop lights |
| 30 | (ECU-B NO.1) Engine control unit |
| 31 | (TOWING) Trailer lights |
| 32 | (AM2) Starter system |
| 33 | (STRG LOCK) Steering lock |
| 34 | (HAZ) Hazard light |
| 35 | EMPTY |
| 36 | (DOME) Dome light and interior light |
| 37 | (P/OUTLET MO.1) Auxiliary power outlet |
| 38 | EMPTY |
| 39 | (DOOR DBL/L) Door double locking |
| 40 | EMPTY |
| 41 | (DCM) Data communication module (telematics system) |
Fuse number 37 for 15A is responsible for the operation of the cigarette lighter.
Engine compartment
Under the hood in the engine compartment on the left side there is the main block with fuses and relays.
Check the assignment of the elements against the diagram on the back of the protective cover.
Diagram
Designation
| R1 | (EFI-MAIN NO.3) Multiport fuel injection system |
| R2 | (A/F HTR) Air fuel ratio sensor |
| R3 | (EFI-MAIN NO.2) Multiport fuel injection system |
| R4 | (FAN NO.1) Electric cooling fan |
| R5 | (EFI-MAIN NO.1) Multiport fuel injection system |
| R6 | (HORN) Horn |
| R7 | (IGP) Ignition |
| R8 | (WIPER) Wipers |
| R9 | VVT |
| R10 | (S-HORN) Horn / anti-theft deterrent |
| 1 | (INJ) Fuel injectors |
| 2 | (EFI NO.5) Multiport fuel injection system |
| 3 | (EFI NO.2) Multiport fuel injection system |
| 4 | (EFI NO.3) Multiport fuel injection system |
| 5 | (EFI NO.4) Multiport fuel injection system |
| 6 | ECU-IGP NO.3 |
| 7 | ECU-IGP NO.2 |
| 8 | ECU-IGP NO.1 |
| 9 | (WASHER) Windshield washer |
| 10 | EMPTY |
| 11 | (WIPER) Wipers |
| 12 | (S-HORN) Horn / anti-theft deterrent |
| 13 | (HORN) Horn |
| 14 | VVT |
| 15 | (TOWING-B NO.1) Trailer lights |
| 16 | (EFI-MAIN NO.2) Multiport fuel injection system |
| 17 | CAPACITOR |
| 18 | (A/F HTR) Air fuel ratio sensor |
| 19 | (EFI-MAIN NO.3) Multiport fuel injection system |
| 20 | (EFI NO.1) Multiport fuel injection system |
| 21 | (EFI-MAIN NO.1) Multiport fuel injection system |
| 22 | GP-MAIN |
| 23 | J/C CUT |
| 24 | (SPARE1) Spare fuse |
| 25 | (SPARE2) Spare fuse |
| 26 | (SPARE3) Spare fuse |
| 27 | EMPTY |
| 39 | INP STD NO.1-2 |
| 40 | INP STD NO.1-1 |
| 41 | (PTC HTR) Additional heater |
| 28 | (FAN NO.1) Electric cooling fan |
| 29 | (ABS-MAIN) Anti-lock braking system |
| 30 | (ABS NO.2) Anti-lock braking system |
| 31 | (ABS NO.1) Anti-lock braking system |
| 32 | (FAN) Electric cooling fan |
| 33 | SUB R-B ALT |
| 34 | (DC/DC) DC to DC transformer 400 watts |
| 35 | INP STD NO.1-3 |
| 36 | (EPS) Electric power steering |
| 37 | STD P/I NO.1 |
| 38 | SUB R/B BATT |
Another fuse box can be installed on the right side of the engine compartment.
There may also be high-capacity power fuses on the plus terminal of the battery.
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And if you still have questions or have something to add – write in the comments.