
Honda Civic 2003 Fuse Box Info
Passenger compartment fuse box location:

The interior fuse box is underneath the steering column.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 15A | Ignition Coil |
| 2 | 20A | LAF Heater |
| 3 | 10A | Daytime running lights* |
| 4 | 10A | Alternator |
| 5 | - | Not Used |
| 6 | 7.5A | Power Window Relay |
| 7 | 20A | Moonroof |
| 8 | 7.5A | Accessory, Radio |
| 9 | - | Not Used |
| 10 | 7.5A | Meter |
| 11 | 7.5A | ABS |
| 12 | 7.5A | Daytime running lights* |
| 13 | 10A | SRS |
| 14 | 10A | Remote Control Mirrors |
| 15 | - | Not Used |
| 16 | - | Not Used |
| 17 | 15A | Fuel Pump |
| 18 | 15A | Accessory Power Socket |
| 19 | 7.5A | Turn Signal Lights |
| 20 | 20A | Front Wiper |
| 21 | - | Not Used |
| 22 | 20A | Front Right Power Window |
| 23 | 20A | Front Left Power Window |
| 24 | 20A | Rear Left Power Window |
| 25 | 20A | Rear Right Power Window |
* Canadian Model
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | Condenser Fan |
| 2 | 15A | Small Light |
| 3 | 7.5A | Interior Light |
| 4 | 20A | Cooling Fan |
| 5 | 10A | Hazard |
| 6 | 15A | FI ECU |
| 7 | 15A | Horn, Stop |
| 8 | 20A | ABS F/S |
| 9 | 10A | Back Up |
| 10 | 40A | ABS Motor |
| 11 | 30A | Rear Defroster |
| 12 | 40A | Heater Motor |
| 13 | 40A | Power Window |
| 14 | 40A | Option |
| 15 | 15A | Left Headlight |
| 16 | 20A | Door Lock |
| 17 | 15A | Right Headlight |
| 18 | - | Not Used |
| 19 | 80A | Battery |
| 20 | 40A | Ignition 1 |
| 21-25 | 7.5A-30A | Spare Fuses |





