Toyota Prius (2010 – 2015) Fuse Box Diagrams & Location User Guide
The third-generation Toyota Prius (2010 – 2015) includes multiple fuse boxes that manage the car’s electrical systems, from lighting to infotainment. Familiarising yourself with their locations and diagrams ensures quick and easy access when replacing blown fuses, helping to keep your vehicle running smoothly. This user guide provides detailed fuse box layouts for efficient troubleshooting.
Passenger compartment overview
Fuse Box Locations
Passenger Compartment Fuse Box
The fuse box is located under the instrument panel (left side).
Left-hand drive vehicles:
Engine Compartment Fuse Box
Passenger Compartment Fuse Box Diagram
Toyota Prius (2010 and 2011)
Left side instrument panel
| No. | Fuse | Ampere | Circuit |
|---|---|---|---|
| 1 | CIG | 15 A | Power outlets |
| 2 | ECU-ACC | 10 A | Multiplex communication system, outside rear view mirrors, driver support system, audio system, navigation system |
| 3 | PWR OUTLET | 15 A | Power outlets |
| 4 | SEAT HTR FR | 10 A | Seat heater |
| 5 | SEAT HTR FL | 10 A | Seat heater |
| 6 | DOOR NO.1 | 25 A | Power door lock system |
| 7 | PSB | 30 A | Pre-Collision System |
| 8 | PWR SEAT FR | 30 A | Front seat lumbar support |
| 9 | DBL LOCK | 25 A | Tilt & telescopic steering |
| 10 | FR FOG | 15 A | Front fog lights |
| 11 | PWR SEAT FL | 30 A | Front seat lumbar support |
| 12 | OBD | 7.5 A | On-board diagnosis system |
| 13 | RR FOG | 7.5 A | No circuit |
| 14 | STOP | 10 A | Stop lights, high-mounted stoplight, brake system, power windows, driver support system |
| 15 | P FR DOOR | 25 A | Power windows |
| 16 | D FR DOOR | 25 A | Power windows |
| 17 | DOOR RR | 25 A | Power windows |
| 18 | DOOR RL | 25 A | Power windows |
| 19 | S/ROOF | 30 A | Electric moon roof |
| 20 | ECU-IG NO.1 | 10 A | Electric cooling fans, multiplex communication system |
| 21 | ECU-IG NO.2 | 10 A | Driver support system, Pre-Collision System, LKA system, inside rear view mirror, garage door opener, yaw rate & G sensor, brake system, electric power steering, navigation system, electric moon roof, tyre pressure warning system, seat belt pretensioners, audio system, emergency flashers, turn signal lights, windshield wipers, headlight cleaner |
| 22 | GAUGE | 10 A | Headlight levelling system, front passenger’s seat belt reminder light, gauges and meters |
| 23 | A/C | 10 A | Air conditioning system, Solar Ventilation System, Remote Air Conditioning System |
| 24 | WASHER | 15 A | Windshield washer |
| 25 | RR WIP | 20 A | Rear window wiper and washer |
| 26 | WIP | 30 A | Windshield wipers |
| 27 | MET | 7.5 A | Gauges and meters |
| 28 | IGN | 10 A | Brake system, driver support system, multiport fuel injection system / sequential multiport fuel injection system, SRS airbag system, occupant detection sensor, power windows, smart key system |
| 29 | PANEL | 10 A | Air conditioning system, emergency flashers, seat heaters, transmission, “P” position switch, navigation system, Solar Ventilation System, Remote Air Conditioning System, advanced parking guidance system, headlight cleaner, front passenger’s seat belt reminder light, headlight levelling system, glove box light, clock, audio system |
| 30 | TAIL | 10 A | Headlight levelling system, parking lights, tail lights, license plate lights, front fog lights, side marker lights |
Toyota Prius (2012, 2013 and 2014)
Engine compartment (type B fuse box)
| No. | Fuse | Ampere | Circuit |
|---|---|---|---|
| 1 | DC/DC | 100 A | Hybrid system |
| 2 | ABS MTR NO.2 | 30 A | Brake system |
| 3 | HTR | 40 A | Air conditioning system |
| 4 | EPS | 50 A | Electric power steering system |
Under the driver’s side instrument panel fuse box
| No. | Fuse | Ampere | Circuit |
|---|---|---|---|
| 1 | TAIL | 10A | Parking lights, side marker lights, tail lights, license plate lights, front fog lights, gauge and meters |
| 2 | PANEL | 5A | Instrument panel lights |
| 3 | DOOR R/R | 20A | Rear power window (right side) |
| 4 | DOOR P | 20A | Front power window (right side) |
| 5 | ECU-IG NO.1 | 5A | Rear window defogger, tire pressure warning system, main body ECU, brake system, vehicle stability control system, power door lock system, smart key system |
| 6 | ECU-IG NO.2 | 5A | Electric power steering system |
| 7 | HTR-IG | 7.5A | Air conditioning system, PTC heater |
| 8 | GAUGE | 10A | Back-up lights, audio system, shift lock control system, moon roof, vehicle control and operation data recording, vehicle proximity notification system |
| 9 | WASHER | 15A | Windshield wipers and washer |
| 10 | WIPER | 25A | Windshield wipers and washer |
| 11 | WIPER RR | 15A | Windshield wipers and washer |
| 12 | P/W | 30A | Power window |
| 13 | DOOR R/L | 20A | Rear power window (left side) |
| 14 | DOOR D | 20A | Front power window (left side) |
| 15 | CIG | 15A | Power outlet |
| 16 | ACC | 5A | Main body ECU, audio system, outside rear view mirrors, shift lock control system |
| 17 | D/L | 25A | Power door lock system |
| 18 | OBD | 7.5A | On-board diagnosis |
| 19 | STOP | 7.5A | Starter system, shift lock control system, vehicle proximity notification system, brake system, stop lights, high mounted stoplight |
| 20 | AM1 | 7.5A | Starter system |
| 21 | FOG FR | 15A | Front fog lights |
| 22 | S/ROOF | 25A | Moon roof |
| 23 | S/HTR | 15A | Seat heaters, air conditioning system |
Toyota Prius (2015)
Left side instrument panel fuse box
| No. | Fuse | Ampere | Circuit |
|---|---|---|---|
| 1 | CIG | 15 A | Power outlets |
| 2 | ECU-ACC | 10 A | Multiplex communication system, outside rear view mirrors, driver support system, audio system, navigation system, advanced parking guidance system, head-up display |
| 3 | PWR OUTLET | 15 A | Power outlets |
| 4 | SEAT HTR FR | 10 A | Seat heater |
| 5 | SEAT HTR FL | 10 A | Seat heater |
| 6 | DOOR NO.1 | 25 A | Power door lock system |
| 7 | PSB | 30 A | Pre-Collision System |
| 8 | PWR SEAT FR | 30 A | Front passenger’s seat |
| 9 | DBL LOCK | 25 A | No circuit |
| 10 | FR FOG | 7.5 A | Front fog lights |
| 11 | PWR SEAT FL | 30 A | Driver’s seat |
| 12 | OBD | 7.5 A | On-board diagnosis system |
| 13 | RR FOG | 7.5 A | No circuit |
| 14 | STOP | 10 A | Stop lights, high-mounted stoplight, brake system, driver support system, vehicle proximity notification system |
| 15 | P FR DOOR | 25 A | Power windows |
| 16 | D FR DOOR | 25 A | Power windows |
| 17 | DOOR RR | 25 A | Power windows |
| 18 | DOOR RL | 25 A | Power windows |
| 19 | S/ROOF | 30 A | Moon roof |
| 20 | ECU-IG NO.1 | 10 A | Electric cooling fans, multiplex communication system, vehicle proximity notification system |
| 21 | ECU-IG NO.2 | 10 A | Driver support system, Pre-Collision System, LKA system, inside rear view mirror, garage door opener, yaw rate & G sensor, brake system, electric power steering, navigation system, moon roof, tire pressure warning system, seat belt pretensioners, audio system, emergency flashers, turn signal lights, windshield wipers, headlight cleaner |
| 22 | GAUGE | 10 A | Headlight leveling system, gauges and meters, emergency flashers, turn signal lights |
| 23 | A/C | 10 A | Air conditioning system, Solar Ventilation System, Remote Air Conditioning System |
| 24 | WASHER | 15 A | Windshield washer |
| 25 | RR WIP | 20 A | Rear window wiper and washer |
| 26 | WIP | 30 A | Windshield wipers |
| 27 | MET | 7.5 A | Gauges and meters |
| 28 | IGN | 10 A | Brake system, driver support system, multiport fuel injection system / sequential multiport fuel injection system, SRS airbag system, front passenger occupant classification system (ECU and sensors), power management system, smart key system, front passenger’s seat belt reminder light |
| 29 | PANEL | 10 A | Air conditioning system, personal light, transmission, P position switch, navigation system, Solar Ventilation System, Remote Air Conditioning System, advanced parking guidance system, headlight cleaner, front passenger’s seat belt reminder light, headlight leveling system, glove box light, clock, audio system, MPH or km/h switch |
| 30 | TAIL | 10 A | Headlight levelling system, parking lights, tail lights, license plate lights, front fog lights, side marker lights |
Engine Compartment Fuse Box Diagram
Toyota Prius (2010 and 2011)
| No. | Fuse | Ampere | Circuit | Notes |
|---|---|---|---|---|
| 1 | HTR | 50A | Air conditioning system | |
| 2 | RDI | 30A | Electric cooling fans | |
| 3 | CDS | 30A | Electric cooling fans | |
| 4 | S-HORN | 10A | No circuit | |
| 5 | ENG W/P | 30A | Cooling system | |
| 6 | ABS MAIN NO.2 | 7.5A | Anti-lock brake system | |
| 7 | H-LP CLN | 30A | Headlight cleaner | |
| 8 | AMP P-CON MTR |
30A
30A |
2010: Audio system
2011-2012: Parking control system, transmission |
AMP (2010) was replaced by P-CON MTR (2011/2012) with a new circuit for the parking control system |
| 9 | AMP | 30A | Audio system | |
| 10 | IGCT | 30A | PCU, IGCT NO.2, IGCT NO.3 | |
| 11 | DC/DC-S | 5A | Inverter and converter | |
| 12 | P CON MAIN | 7.5A | Parking control system, transmission | |
| 13 | AM2 | 7.5A | Power windows | |
| 14 | ECU-B2 | 7.5A | Smart key system | |
| 15 | 2010: MAYDAY 2011/2012: MAYDAY |
10A
10A |
2010: No circuit
2011/2012: Mayday |
MAYDAY fuse now has the Mayday function in 2011/2012 (changed from “No circuit” in 2010) |
| 16 | ECU-B3 | 10A | Air conditioning system | |
| 17 | TURN & HAZ | 10A | Turn signal lights | |
| 18 | ETCS | 10A | Multiport fuel injection system / sequential multiport fuel injection system | |
| 19 | ABS MAIN NO.1 | 20A | Anti-lock brake system | |
| 20 | P/I 2 | 40A | Parking control system, horn, right-hand headlight (low beam), left-hand headlight (low beam), back-up lights | |
| 21 | ABS MTR 1 | 30A | Anti-lock brake system | |
| 22 | ABS MTR 2 | 30A | Anti-lock brake system | |
| 23 | H-LP HI MAIN | 20A | H-LP HI RH, H-LP HI LH, headlight switch, daytime running light system | |
| 24 | P/I 1 | 60A | IG2, EFI MAIN, BATT FAN | |
| 25 | EPS | 60A | Electric power steering | |
| 26 | PCU | 10A | ||
| 27 | IGCT NO.2 | 10A | Hybrid system, parking control system, power windows, inverter and converter | |
| 28 | MIR HTR | 10A | Outside rear-view mirror defoggers | |
| 29 | RAD NO.1 | 15A | Audio system, navigation system | |
| 30 | DOME | 10A | Door courtesy lights, personal lights, interior lights, front foot lights, vanity lights, inside rear view mirror, garage door opener, electric power steering | |
| 31 | ECU-B | 7.5A | Smart key system, multiplex communication system, personal lights, gauges and meters | |
| 32 | H-LP LH HI | 10A | Left-hand headlight (high beam) | |
| 33 | H-LP RH HI | 10A | Right-hand headlight (high beam) | |
| 34 | EFI NO.2 | 10A | Multiport fuel injection system / sequential multiport fuel injection system | |
| 35 | IGCT NO.3 | 10A | Cooling system | |
| 36 | SPARE | 30A | Spare fuses | |
| 37 | 2010: SPARE 2011/2012: SPARE |
15A
10A |
Spare fuses (2011)
Spare fuses (2011/2012) |
SPARE fuse changed from 15A (2010) to 10A (2011/2012) |
| 38 | SPARE | 7.5A | Spare fuses | |
| 39 | EFI MAIN | 20A | Multiport fuel injection system / sequential multiport fuel injection system, EFI NO.2 | |
| 40 | BATT FAN | 10A | Battery cooling fan | |
| 41 | IG2 | 20A | Multiport fuel injection system / sequential multiport fuel injection system, MET-IGN, IGN, power windows | New entry in 2011/2012 for IG2 with a 20A fuse |
Toyota Prius (2012, 2013 and 2014)
| No. | Fuse | Ampere | Circuit |
|---|---|---|---|
| 1 | EFI-MAIN | 20 A | Multiport fuel injection system / sequential multiport fuel injection system, EFI NO.2 |
| 2 | HORN | 10 A | Horn |
| 3 | IG2 | 30 A | IG2 NO.2, METER, IGN |
| 4 | SPARE | 7.5 A | Spare fuse |
| 5 | SPARE | 15 A | Spare fuse |
| 6 | SPARE | 30 A | Spare fuse |
| 7 | EFI NO.2 | 10 A | Multiport fuel injection system / sequential multiport fuel injection system |
| 8 | H-LP RH-LO | 10 A | Right-hand headlight (low beam) |
| 9 | H-LP LH-LO | 10 A | Left-hand headlight (low beam), gauge and meters |
| 10 | H-LP RH-HI | 10 A | Right-hand headlight (high beam) |
| 11 | H-LP LH-HI | 10 A | Left-hand headlight (high beam), gauge and meters |
| 12 | IG2 NO.2 | 10 A | Multiport fuel injection system / sequential multiport fuel injection system, steering switches, brake system, starter system, smart key system, occupant classification system, SRS airbag system |
| 13 | DOME | 15 A | Audio system, vehicle control and operation data recording, main body ECU, personal lights, luggage compartment light |
| 14 | ECU-B NO.1 | 7.5 A | Main body ECU, smart key system |
| 15 | METER | 7.5 A | Gauge and meters |
| 16 | IGN | 15 A | Multiport fuel injection system / sequential multiport fuel injection system |
| 17 | HAZ | 10 A | Emergency flashers |
| 18 | ETCS | 10 A | Multiport fuel injection system / sequential multiport fuel injection system |
| 19 | ABS NO.1 | 20 A | Brake system |
| 20 | ENG W/PMP | 30 A | Multiport fuel injection system / sequential multiport fuel injection system |
| 21 | H-LP-MAIN | 40 A | H-LP LH-LO, H-LP RH-LO, H-LP LH-HI, H-LP RH-HI, daytime running light system |
| 22 | H-LP CLN | 30 A | No circuit |
| 23 | ABS MTR NO.1 | 30 A | Brake system |
| 24 | P/I | 50 A | EFI-MAIN, HORN, IG2 |
| 25 | ECU-B NO.2 | 7.5 A | Air conditioning system, gauge and meters, occupant classification system, tire pressure warning system, starter system, smart key system, power door lock system |
| 26 | AM2 | 7.5 A | Starter system |
| 27 | STRG LOCK | 20 A | Starter system |
| 28 | ABS NO.2 | 10 A | Brake system |
| 29 | IGCT-MAIN | 30 A | IGCT NO.2, IGCT NO.3, IGCT NO.4, PCU, BATT FAN |
| 30 | D/C CUT | 30 A | DOME, ECU-B NO.1 |
| 31 | PTC HTR NO.1 | 30 A | PTC heater |
| 32 | PTC HTR NO.2 | 30 A | PTC heater |
| 33 | FAN | 30 A | Electric cooling fan |
| 34 | PTC HTR NO.3 | 30 A | PTC heater |
| 35 | DEF | 30 A | MIR HTR, rear window defogger |
| 36 | DEICER | 20 A | No circuit |
| 37 | BATT FAN | 10 A | Battery cooling fan |
| 38 | IGCT NO.2 | 10 A | Hybrid system |
| 39 | IGCT NO.4 | 10 A | Hybrid system |
| 40 | PCU | 10 A | Hybrid system |
| 41 | IGCT NO.3 | 10 A | Hybrid system |
| 42 | MIR HTR | 10 A | Outside rear view mirror defoggers |
Toyota Prius (2015)
| No. | Fuse | Ampere | Circuit |
|---|---|---|---|
| 1 | HTR | 50 A | Air conditioning system |
| 2 | RDI | 30 A | Electric cooling fans |
| 3 | CDS | 30 A | Electric cooling fans |
| 4 | S-HORN | 10 A | No circuit |
| 5 | ENG W/P | 30 A | Cooling system |
| 6 | ABS MAIN NO.2 | 7.5 A | Anti-lock brake system |
| 7 | H-LP CLN | 30 A | Headlight cleaner |
| 8 | P-CON MTR | 30 A | Shift control system, transmission |
| 9 | AMP NO.1 | 30 A | Audio system |
| 10 | IGCT | 30 A | PCU, IGCT NO.2, IGCT NO.3 |
| 11 | DC/DC-S | 5 A | Inverter and converter |
| 12 | P CON MAIN | 7.5 A | Shift control system, P position switch |
| 13 | AM2 | 7.5 A | Power management system |
| 14 | ECU-B2 | 7.5 A | Smart key system, hybrid system |
| 15 | MAYDAY | 10 A | MAYDAY |
| 16 | ECU-B3 | 10 A | Air conditioning system |
| 17 | TURN & HAZ | 10 A | Turn signal lights |
| 18 | ETCS | 10 A | Multiport fuel injection system / sequential multiport fuel injection system |
| 19 | ABS MAIN NO.1 | 20 A | Anti-lock brake system |
| 20 | H-LP LH LO | 15 A | Left-hand headlight (low beam) |
| 21 | P/I 2 | 40 A | Shift control system, horn, headlight low beams, back-up lights |
| 22 | ABS MTR 1 | 30 A | Anti-lock brake system |
| 23 | ABS MTR 2 | 30 A | Anti-lock brake system |
| 24 | H-LP HI MAIN | 20 A | Headlight high beams, daytime running lights |
| 25 | DRL | 7.5 A | Daytime running lights |
| 26 | AMP NO.2 | 30 A | Audio system, navigation system |
| 27 | P/I 1 | 60 A | IG2, EFI MAIN, BATT FAN |
| 28 | EPS | 60 A | Electric power steering |
| 29 | H-LP RH LO | 15 A | Right-hand headlight (low beam) |
| 30 | PCU | 10 A | Inverter and converter |
| 31 | IGCT NO.2 | 10 A | Hybrid system, shift control system, power management system, multiport fuel injection system |
| 32 | MIR HTR | 10 A | Outside rear view mirror defoggers |
| 33 | RAD NO.1 | 15 A | Audio system, navigation system |
| 34 | DOME | 10 A | Door courtesy lights, luggage compartment light, personal light, interior light, foot lights, vanity lights, inside rear view mirror, garage door opener |
| 35 | ECU-B | 7.5 A | Smart key system, personal lights, gauges and meters, emergency flashers |
| 36 | H-LP LH HI | 10 A | Left-hand headlight (high beam) |
| 37 | H-LP RH HI | 10 A | Right-hand headlight (high beam) |
| 38 | EFI NO.2 | 10 A | Multiport fuel injection system / sequential multiport fuel injection system |
| 39 | IGCT NO.3 | 10 A | Cooling system |
| 40 | SPARE 30 A | 30 A | Spare fuse |
| 41 | SPARE 10 A | 10 A | Spare fuse |
| 42 | SPARE 7.5 A | 7.5 A | Spare fuse |
| 43 | EFI MAIN | 20 A | Multiport fuel injection system / sequential multiport fuel injection system, cooling system, EFI NO.2 |
| 44 | BATT FAN | 10 A | Battery cooling fan |
| 45 | IG2 | 20 A | Multiport fuel injection system / sequential multiport fuel injection system, MET, IGN, power management system |