Toyota Prius (2023 – 2025) Fuse Box Location & Diagrams
This blog provides a detailed overview of fuse box locations and diagram layouts for the Toyota Prius (2023–2025). It helps owners quickly identify fuse assignments, troubleshoot electrical issues, and access essential information for maintaining vehicle systems, safety features, and electronic components with confidence.
Fuse Box Location
Passenger Compartment Fuse Box
Push the tab in and remove the cover, and then remove the lid.
Engine Compartment Fuse Box
Push claw A and B to completely release the lock, and then lift up the cover.
Fuse Box Diagrams
Passenger Compartment Fuse Box
Toyota Prius (2023 – 2025)
| Type | No. | Description |
| Fuse MINI 5A | F2 | +BA NO.2 |
| Fuse MINI 20A | F3 | (DOOR R/R) Rear right door |
| Fuse MINI 20A | F4 | (DOOR R/L) Rear left door |
| Fuse MINI 10A | F5 | (ECU-B NO.3) Engine control unit |
| Fuse MINI 10A | F6 | DOOR BACK |
| Fuse MINI 7.5A | F7 | (OBD) On-board diagnostics |
| Fuse MINI 20A | F8 | (DOOR F/R) Front right door |
| Fuse MINI 20A | F9 | (DOOR F/L) Front left door lock |
| Fuse MINI 15A | F10 | (D/L) Power door lock system |
| Fuse MINI 10A | F11 | (ECU-DCC NO.2) Engine control unit |
| Fuse MINI 5A | F12 | (ECU-DCC NO.1) Engine control unit |
| Fuse MINI 20A | F13 | (RADIO) Radio and audio system |
| Fuse MINI 10A | F14 | (HAZ) Hazard light |
| Fuse MINI 10A | F15 | (FUEL OPN) Fuel lid opener |
| Fuse MINI 7.5A | F16 | (TAIL) Tail lights |
| Fuse MINI 3A | F17 | (PANEL) Instrument panel lights |
| Fuse MINI 10A | F18 | (ECU-IGR NO.2) Engine control unit |
| Fuse MINI 3A | F20 | (EPS-IGR) Electric power steering |
| Fuse MINI 10A | F21 | (ECU-IGR NO.1) Engine control unit |
| Fuse MINI 10A | F22 | (A/BAG-IGR) Airbag |
| Fuse MINI 10A | F23 | (ECU-IGR NO.3) Engine control unit |
| Fuse MINI 5A | F24 | (ECU-B NO.1) Engine control unit |
| Fuse MINI 10A | F25 | (ECU-B NO.2) Engine control unit |
| Fuse MINI 10A | F26 | (STOP) Stop lights |
| Fuse MINI 5A | F27 | (ECU-ACC) Engine control unit |
| Fuse MINI 10A | F28 | (STRG LOCK) Steering lock |
| Fuse MINI 7.5A | F29 | (AM2) Starter system |
| Fuse MINI 5A | F30 | (DCM) Data communication module (telematics system) |
| Fuse MINI 30A | F35 | (AMP NO.1) Audio system |
| Fuse MINI 10A | F36 | (ECU-IGR NO.4) Engine control unit |
| Fuse MINI 5A | F37 | (METER-IGR) Instrument cluster |
| Fuse MINI 15A | F38 | (P/OUTLET NO.1) Cigar lighter / power outlet |
| Fuse MINI 5A | F39 | (DOME) Dome light and interior light |
| Fuse MINI 20A | F40 | (DOOR DBL/L) Door double locking |
| Fuse MINI 7.5A | F41 | (USB NO.1) USB charger |
| Fuse MINI 10A | F42 | (USB NO.2) USB charger |
| Fuse MINI 10A | F43 | (S/HTR F/L) Front seat heater |
| Fuse MINI 10A | F44 | (S/HTR F/R) Seat heater |
Engine Compartment Fuse Box
Toyota Prius (2023 – 2025)
| Type | No. | Description |
| Fuse MINI 10A | 1 | PCU NO.2 [HEV] |
| Fuse MINI 10A | 2 | PCU NO.1 [HEV] |
| Fuse MINI 5A | 3 | SBW-IGCT |
| Fuse MINI 10A | 4 | PM-IGCT |
| Fuse MINI 10A | 5 | IGCT NO.2 |
| Fuse MINI 10A | 6 | (EFI NO.5) Multiport fuel injection system |
| Fuse MINI 10A | 7 | (EFI NO.3) Multiport fuel injection system |
| Fuse MINI 15A | 11 | (WASHER) Windshield washer |
| Fuse MINI 10A | 12 | (IGN) Ignition |
| Fuse MINI 5A | 13 | ECU-IGP NO.1 |
| Fuse MINI 10A | 14 | ECU-IGP NO.3 |
| Fuse MINI 10A | 16 | (EFI NO.2) Multiport fuel injection system |
| Fuse MINI 10A | 17 | (EFI NO.4) Multiport fuel injection system |
| Fuse MINI 10A | 18 | BATT FAN [HEV] / PCU NO.1 [PHEV] |
| Fuse MINI 5A | 19 | INV W/PMP [HEV] |
| Fuse MINI 10A | 19 | PCU NO.2 [PHEV] |
| Fuse MINI 10A | 21 | (H-LP RH) Right-hand headlight |
| Fuse MINI 25A | 24 | (EFI-MAIN NO.2 [M20A-FXS motor]) Multiport fuel injection system |
| Fuse MINI 10A | 24 | (EFI-MAIN NO.2 [2ZR-FXE motor]) Multiport fuel injection system |
| Fuse MINI 10A | 26 | INV W/PMP NO.2 |
| Fuse MINI 15A | 27 | (ECU-B NO.5) Engine control unit |
| Fuse MINI 30A | 28 | (EFI-MAIN NO.1) Multiport fuel injection system |
| Fuse MINI 10A | 30 | E-LATCH RL |
| Fuse MINI 10A | 31 | (H-LP LH) Left-hand headlight |
| Fuse MINI 10A | 33 | (STRG HTR) Heated steering wheel |
| Fuse MINI 10A | 34 | (BATT-S NO.2) Battery and charging system |
| Fuse MINI 5A | 35 | (BATT-S) Battery and charging system |
| Fuse MINI 30A | 36 | (EFI-MAIN NO.3) Multiport fuel injection system |
| Fuse MINI 10A | 37 | (ECU-B) Engine control unit |
| Fuse MINI 10A | 38 | DMC |
| Fuse MINI 10A | 39 | E-LATCH RR |
| Fuse MINI 25A | 40 | (IGP-MAIN) Ignition |
| Fuse MINI 5A | 41 | (EFI NO.1) Multiport fuel injection system |
| Fuse MINI 30A | 45 | D/C CUT |
| Fuse MINI 20A | 46 | D-INJ |
| Fuse MINI 30A | 47 | (WIPER) Wipers |
| Fuse MINI 20A | 48 | VVT |
| Fuse MINI 10A | 49 | (HORN) Horn |
| Fuse MINI 30A | 50 | 2ND BATT |
| Fuse MINI 10A | 51 | (S-HORN) Horn / anti-theft deterrent |
| Fuse MINI 20A | 52 | P-CON MTR |
| Fuse MINI 15A | 53 | (DEICER) Deicer or defroster |
| Fuse MINI 15A | 54 | PLUG LOCK |
| Fuse MINI 15A | 55 | (S/HTR RR) Rear seat heater |
| Fuse MINI 10A | 56 | AMD2 CHG |
| Fuse MINI 7.5A | 58 | (IG-B) Protects several circuits |
| Fuse MINI 10A | 59 | P-CON MAIN |
| Fuse MINI 5A | 60 | PWC |
| Fuse FMX/JCase 30A | 67 | IGCT-MAIN NO.2 |
| Fuse FMX/JCase 40A | 69 | (HTR) Air conditioning system |
| Fuse FMX/JCase 30A | 70 | (FAN NO.1) Electric cooling fan |
| Fuse FMX/JCase 30A | 71 | (FAN NO.2 [HEV]) Electric cooling fan |
| Fuse FMX/JCase 40A | 71 | AMD2 [PHEV] |
| Multi fuse block MUSB | 72 | (DC/DC) DC to DC transformer 400 watts |
| Multi fuse block MUSB | 73 | IGCT-MAIN NO.1 |
| Multi fuse block MUSB | 74 | (ABS MTR NO.1) Anti-lock braking system |
| Multi fuse block MUSB | 75 | (EPS) Electric power steering |
| Multi fuse block MUSB | 76 | INP STD NO.3 |
| Multi fuse block MUSB | 77 | (ABS NO.1) Anti-lock braking system |
| Multi fuse block MUSB | 78 | ( ABS NO.2) Anti-lock braking system |
| Multi fuse block MUSB | 79 | (ABS MAIN) Anti-lock braking system |
| Multi fuse block MUSB | 87 | INP STD NO.1 |
| Multi fuse block MUSB | 88 | INP STD NO.2 |
| Multi fuse block MUSB | 89 | (FAN NO.1) Electric cooling fan |
| Relay | R1 | (H-LP LH) Left-hand headlight |
| Relay | R2 | (EFI-MAIN NO.1) Multiport fuel injection system |
| Relay | R3 | D-INJ |
| Relay | R4 | IGCT-MAIN NO.1 [HEV] |
| Relay | R5 | VVT [M20A-FXS motor] |
| Relay | R5 | C/OPN [2ZR-FXE] |
| Relay | R6 | (WIPER) Wipers |
| Relay | R7 | (HORN) Horn |
| Relay | R8 | IGCT-MAIN NO.1 [PHEV] |
| Relay | R8 | IGCT-MAIN NO.2 [HEV] |
| Relay | R9 | (S-HORN) Horn / anti-theft deterrent |
| Relay | R10 | (IGP) Ignition |
| Relay | R11 | (EFI-MAIN NO.2 ) Multiport fuel injection system |
| Relay | R12 | INV W/PMP [HEV] |
| Relay | R12 | IGCT-MAIN NO.2 [PHEV] |
| Relay | R13 | (H-LP RH) Right-hand headlight |
| Relay | R14 | (FAN NO.3 [HEV]) Electric cooling fan |
| Relay | R14 | (DEICER [PHEV]) Deicer or defroster |
| Relay | R15 | (EFI-MAIN NO.3) Multiport fuel injection system |
| Relay | R16 | (DEICER [HEV]) Deicer or defroster |
| Relay | R17 | (FAN NO.1 [HEV]) Electric cooling fan |
| Relay | R17 | (IG-B [PHEV]) Protects several circuits |
| Relay | R18 | (FAN NO.2 [HEV]) Electric cooling fan |
| Relay | R18 | A/C MG/V [PHEV] |
