Subaru Legacy 2003 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located under the instrument panel behind the coin tray on the driver’s seat side.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box (2.5 liter models):
| Fuse/Relay N° | Rating | Functions |
| 1 | 15A | Heater fan |
| 2 | 15A | Heater fan |
| 3 | 15A | Power door lock, Keyless entry |
| 4 | 20A | Cigarette lighter, Remote controlled rear view mirrors |
| 5 | 10A | Tail light, Parking light |
| 6 | 15A | SRS airbag |
| 7 | 15A | Front fog light |
| 8 | 30A | ABS solenoid |
| 9 | 15A | Radio, Clock |
| 10 | 15A | Trailer |
| 11 | 15A | Engine ignition system, SRS airbag |
| 12 | 10A | Illumination brightness control |
| 13 | 15A | Fuel pump |
| 14 | 10A | Rear window wiper and washer |
| 15 | 30A | Windshield wiper and washer |
| 16 | 20A | Brake light |
| 17 | 15A | Air conditioner |
| 18 | 15A | Backup light, Cruise control, ABS control |
| 19 | 20A | Mirror heater, Wiper deicer |
| 20 | 20A | Accessory power socket, Seat heater |
Passenger compartment fuse box (3.0 liter models):
| Fuse/Relay N° | Rating | Functions |
| 1 | 15A | Heater fan |
| 2 | 15A | Heater fan |
| 3 | 15A | Power door lock, Keyless entry |
| 4 | 20A | Cigarette lighter, Remote controlled rear view mirrors |
| 5 | 10A | Tail light, Parking light |
| 6 | 15A | SRS airbag |
| 7 | 15A | Front fog light |
| 8 | 30A | ABS (VDC) solenoid |
| 9 | 15A | Radio, Clock |
| 10 | 15A | Trailer |
| 11 | 15A | Engine ignition system, SRS airbag |
| 12 | 10A | Illumination brightness control |
| 13 | 15A | Fuel pump |
| 14 | 10A | Rear window wiper and washer |
| 15 | 30A | Windshield wiper and washer |
| 16 | 20A | Brake light |
| 17 | 15A | Air conditioner |
| 18 | 15A | Backup light, Cruise control, ABS (VDC) control |
| 19 | 20A | Mirror heater, Wiper deicer |
| 20 | 20A | McIntosh audio amp (if equipped) |
| 21 | 20A | Accessory power socket, Seat heater |
Engine compartment fuse box (2.5 liter models):
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | Radiator cooling fan (Main) |
| 2 | 20A | Radiator cooling fan (Sub) |
| 3 | 50A | ABS motor |
| 4 | 20A | Rear window defogger |
| 5 | 15A | Hazard warning flasher, Horn |
| 6 | 15A | Meter, SRS airbag system warning light |
| 7 | 10A | Automatic transmission control unit, ABS UNIT |
| 8 | 10A | Alternator |
| 9 | 15A | Headlight (right side) |
| 10 | 15A | Headlight (left side) |
| 11 | 20A | Lighting switch |
| 12 | 15A | Clock, Interior light |
Engine compartment fuse box (3.0 liter models):
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | Radiator cooling fan (Main) |
| 2 | 20A | Radiator cooling fan (Sub) |
| 3 | 50A | ABS (VDC) motor |
| 4 | 30A | McIntosh audio amp (if equipped) |
| 5 | 20A | Rear window defogger |
| 6 | 15A | Hazard warning flasher, Horn |
| 7 | 15A | Meter, SRS airbag system warning light |
| 8 | 10A | Automatic transmission control unit, ABS UNIT |
| 9 | 10A | Alternator |
| 10 | 15A | Headlight (right side) |
| 11 | 15A | Headlight (left side) |
| 12 | 20A | Lighting switch |
| 13 | 15A | Clock, Interior light |
