Hyundai Sonata 2003 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| RR HTD IND | 10A | Rear window defroster, Outside rear view mirror heater |
| HAZARD | 10A | Hazard light, Turn signal lights |
| RR FOG | 15A | Rear fog light |
| A/CON | 10A | Air conditioning system |
| ETACS | 10A | ETACS, Keyless entry system, Door lock system |
| DR LOCK | 15A | Power door lock |
| P/SEAT | 25A | Power seat |
| T/LID OPEN | 15A | Remote trunk lid |
| STOP LP | 15A | Stop lights |
| H/LP | 10A | Head light |
| A/BAG IND | 10A | Air-bag |
| T/SIG | 10A | Turn signal lights |
| A/CON SW | 10A | Air conditioning system |
| ACC SOCKET | 15A | Power outlet |
| S/HTR | 15A | Seat heater |
| A/BAG | 15A | Air-bag |
| B/UP | 10A | Backup lights |
| CLUSTER | 10A | Cluster |
| START | 10A | Engine switch |
| SP1 | 15A | Spare fuse |
| SP2 | 15A | Spare fuse |
| P/SEAT (RH) | 25A | Power Seat |
| SP4 | 15A | Spare fuse |
| D/CLOCK | 10A | Digtal clock |
| TAIL(LH) | 10A | Position lights, License plate lights, Tail lights |
| AUDIO | 10A | Audio |
| WIPER | 20A | Wiper |
| ROOM LP | 10A | Dome lights, Front door edge warning lights |
| TAIL(RH) | 10A | Position lights, License plate lights, Tail lights |
| C/LIGHTER | 15A | Cigar lighter |
| EPS | 10A |
Engine compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| COND FAN | 20A | Condenser fan |
| PWR WIND | 40A | Power window |
| ABS 2 | 20A | ABS |
| IGN SW-1 | 30A | Ignition switch |
| ABS 1 | 40A | ABS |
| IGN SW-2 | 30A | Ignition switch |
| RAD FAN MTR | 30A | Radiator fan motor |
| FUEL PUMP | 20A | Fuel pump |
| HD LP LO | 15A | Headlights (LO) |
| ABS | 10A | ABS |
| INJECTOR | 10A | Injector |
| A/C COMPR | 10A | Air-con compressor |
| ATM RLY | 20A | ATM Relay |
| ECU RLY | 30A | Engine control unit relay |
| IG COIL | 20A | Ignition coil |
| O2 SNSR | 15A | Oxygen sensor |
| ECU | 15A | Engine control unit |
| HORN | 10A | Horn |
| HEAD LP HI | 15A | Headlights (HI) |
| HEAD LP WASH | 20A | - |
| DRL | 15A | DRL |
| FR FOG | 15A | Front fog lights |
| HEAD LP LO RH | 15A | Headlight (Low) |
| DIODE-1 | - | Diode 1 |
| SPARE | 30A | Spare fuse |
| SPARE | 20A | Spare fuse |
| SPARE | 15A | Spare fuse |
| SPARE | 10A | Spare fuse |
| DIODE-2 | - | Diode 2 |
| BLOWER | 30A | Blower |
| PWR FUSE-2 | 30A | Power fuse 2 |
| PWR AMP | 20A | Power amp |
| SUNROOF | 15A | Sunroof |
| TAIL LP | 20A | Tail lights |
| PWR FUSE-1 | 30A | Power fuse 1 |
| ECU | 10A | ECU |
| RR HTD | 30A | Rear window defroster |
