Toyota Prius (XW20; 2004 – 2007) – fuse box diagram
Year of production: 2004, 2005, 2006, 2007
Engine compartment
Instrument panel
Luggage compartment

Fuses
| Fuse | Ampere rating [A] | Circuit | |
| 1 | PWR | 30 | Power windows |
| 2 | DEF | 40 | Rear window defogger |
| 3 | M/HTR | 15 | Outside rear view mirror heater |
| 4 | WIP | 30 | Windshield wiper |
| 5 | RR WIP | 15 | Rear wiper |
| 6 | WSH | 20 | Washer |
| 7 | ECU−IG | 7,5 | Smart entry and start system, power windows, multi−information display, electric power steering, theft deterrent system |
| 8 | GAUGE | 10 | Gauge and meter, back−up lights, emergency flasher, power windows |
| 9 | OBD | 7,5 | On−board diagnosis system |
| 10 | STOP | 7,5 | Stop lights |
| 11 | DOOR | 25 | Power door lock system |
| 12 | ACC−B | 25 | “POWER OUTLET”, “ACC” fuses |
| 13 | ECU−B | 15 | Multi−information display, power windows, air conditioning system |
| 14 | AM1 | 7,5 | Hybrid system |
| 15 | TAIL | 10 | Tail lights, license plates light, parking lights |
| 16 | PANEL | 7,5 | Multi−information display, clock, audio system, instrument panel lights |
| 17 | A/C (HTR) | 10 | Air conditioning system |
| 18 | FR DOOR | 20 | Power windows |
| 19 | PWR OUTLET | 15 | Power outlet |
| 20 | ACC | 7,5 | Audio system, multi−information display, clock |
| 21 | PWR OUTLET FR | 15 | Power outlet |
| 22 | IGN | 7,5 | Hybrid system, hybrid vehicle immobilizer system, SRS airbags |
| 23 | SPARE | 30 | Spare |
| 24 | SPARE | 15 | Spare |
| 25 | DRL | 7,5 | Daytime running light system |
| 26 | H−LP LO RH | 15 (Vehicles with discharged headlight) |
Right−hand headlight (low beam) |
| 10 (Vehicles with halogen headlight) | |||
| 27 | H−LP LO LH | 15 (Vehicles with discharged headlight) | Left−hand headlight (low beam) |
| 10 (Vehicles with halogen headlight) | |||
| 28 | H−LP HI RH | 10 | Right−hand headlight (high beam) |
| 29 | H−LP HI LH | 10 | Left−hand headlight (high beam) |
| 30 | EFI | 15 | Multiport fuel injection system/sequential multiport fuel injection system |
| 31 | AM2 | 15 | “IGN” fuse, ignition system |
| 32 | HORN | 10 | Horn |
| 33 | HEV | 20 | Hybrid system |
| 34 | P CON MAIN | 7,5 | Parking control system, hybrid vehicle immobilizer system |
| 35 | P CON MTR | 30 | Parking control system |
| ABS−1 | 25 | Anti−lock brake system |
|
| 36 | ETCS | 10 | Electronic throttle control system |
| 37 | BATT FAN | 10 | Battery cooling fan |
| 38 | HAZ | 10 | Turn signal lights, emergency flasher |
| 39 | DOME | 15 | Audio system, interior lights, smart entry and start system, gauge and meter, turn signal lights, luggage room light, clock |
| 40 | ABS MAIN3 | 15 | Anti−lock brake system |
| 41 | ABS MAIN2 | 10 | Anti−lock brake system |
| 42 | ABS MAIN1 | 10 | Anti−lock brake system |
| 43 | FR FOG | 15 | Fog lights |
| 44 | CHS W/P | 10 | CHS W/P |
| 45 | AMP | 30 | Audio system |
| 46 | PTC HTR2 | 30 | PTC heater |
| 47 | PTC HTR1 | 30 | PTC heater |
| 48 | CDS FAN | 30 | Electric cooling fan |
| 49 | DC/DS−S | 5 | Inverter and converter |
| 50 | MAIN | 120 | Hybrid system |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.