Kia Optima (2000 – 2005) – fuse box diagram
Year of production: 2000, 2001, 2002, 2003, 2004, 2005
Central fusebox in passenger compartment
| Description | Fuse rating [A] | Protected compartment |
| RR HTD IND | 10 | Rear window defroster, outside rear view mirror heater |
| HAZARD | 10 | Hazard ligths, turn signal lights |
| RR FOG | 15 | Rear fog light |
| A/CON | 10 | Air condition system |
| ETACS | 10 | ETACS, keyless entry system, door lock system |
| DR LOCK | 15 | Power door lock |
| P/SEAT (DRIVE) | 25 | Power seat |
| T/LID OPEN | 15 | Remote trunk lid |
| STOP LP | 10 | Stop lights |
| H/LP | 10 | Head light |
| A/BAG IND | 15 | Air-bag |
| T/SIG | 10 | Turn signal lights |
| A/CON SW | 10 | Air conditioning system |
| ACC SOCKET | 15 | Power outlet |
| S/HTR | 15 | Seat heater |
| A/BAG | 15 | Air-bag |
| B/UP | 10 | Backup lights |
| CLUSTER | 10 | Cluster |
| START | 10 | Engine switch |
| FRT HTD | 15 | Windows defroster |
| P/SEAT (PASS) | 25 | Power seat |
| SP4 | 15 | Spare fuse |
| D/CLOCK | 10 | Digital clock |
| TAIL (LH) | 10 | Position lights, license plate lights. tail lights |
| AUDIO | 10 | Audio |
| WIPER | 20 | Wiper |
| ROOM LP | 10 | Dome lights, front door edge warning lightes |
| TAIL (RH) | 10 | Position lights, license plate lights. tail lights |
| C/LIGHTER | 15 | Cigar lighter |
| EPS | 10 | — |
Fuse box in engine compartment
| Description | Description | Fuse rating [A] | Protected compartment |
| COND FAN | 20 | Condenser fan | |
| PWR WIND | 40 | Power window | |
| ABS 2 | 20 | ABS | |
| IGN-SW-1 | 30 | Ignition switch | |
| ABS 1 | 40 | ABS | |
| IGN-SW-2 | 30 | Ignition switch | |
| RAD FAN MTR | 30 | Radiator fan motor | |
| 1 | FUEL PUMP | 20 | Fuel pump |
| 2 | HD LP LO | 15 | Headlights (LO) |
| 3 | ABS | 10 | ABS |
| 4 | INJECTOR | 10 | Injector |
| 5 | A/C COMPR | 10 | Air-con compresor |
| 6 | ATM RLY | 20 | ATM Relay |
| 7 | ECU RLY | 30 | Engine control unit relay |
| 8 | IG COIL | 20 | Ignition coil |
| 9 | O2SNSR | 15 | Oxygen sensor |
| 10 | ECU | 15 | Engine control unit |
| 11 | HORN | 10 | Horn |
| 12 | HEAD LP HI | 20 | Headlights (HI) |
| 13 | HEAD LP WASH | 20 | — |
| 14 | DRL | 15 | DRL |
| 15 | FR FOG | 15 | Front fog lights |
| 16 | DIODE-1 | — | Diode – 1 |
| 17 | SPARE | 30 | Spare fuse |
| 18 | SPARE | 20 | Spare fuse |
| 19 | SPARE | 15 | Spare fuse |
| 20 | SPARE | 10 | Spare fuse |
| 21 | DIODE-2 | — | Diode – 2 |
| 22 | BLOWER | 30 | Blower |
| 23 | PWR FUSE-2 | 30 | Power fuse 2 |
| 24 | PWR AMP | 20 | Power amp |
| 25 | SUNROOF | 15 | Sunroof |
| 26 | TAIL LP | 20 | Tail lights |
| 27 | PWR FUSE-1 | 30 | Power fuse – 1 |
| 28 | ECU | 10 | ECU |
| 29 | RR HTD | 30 | Rear window defroster |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.