Lexus SC 430 2003 Fuse Box Info
Passenger compartment fuse box location:
The fuse boxes are located under the instrument panel on the driver’s side kick panel, and on the passenger’s side kick panel.
Engine compartment fuse box location:
Luggage compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box (Driver’s side):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. TI & TE | 15A | Tilt and telescopic steering |
| 2. PANEL | 5A | Air conditioning system, Audio system, Glove box light, Trip–information display, Cigarette lighter, Electronic throttle control system |
| 3. FR FOG | 15A | Fog lights, Headlight switch |
| 4. D P/SEAT | 30A | Power seat system |
| 5. D–IG | 10A | Gauges and meters, Headlight cleaner, Charging system, Seat belt pretensioner system |
| 6. MPX–IG | 7.5A | Tilt and telescopic steering, Power door lock system, SRS, Power seat system |
| 7. WIPER | 30A | Windshield wiper |
| 8. PWR OUTLET | 15A | Power outlet |
| 9. OBD | 7.5A | On–board diagnosis system |
| 10. AM1 | 5A | Power source |
| 11. ABS–IG | 7.5A | Vehicle skid control system |
| 12. SECURITY | 7.5A | Theft deterrent system |
| 13. TAIL | 7.5A | Tail lights, Side marker lights, Parking lights, Headlight switch |
| 14. STOP | 5A | Stop lights |
| 15. HEATER | 10A | Air conditioning system |
Passenger compartment fuse box (Passenger’s side):
| Fuse/Relay N° and Name | Rating | Functions |
| 16. IG2 | 7.5A | SRS |
| 17. MPX–B1 | 7.5A | Power door lock, Steering lock, Engine immobiliser, Power seat system, Retractable hardtop |
| 18. MPX–B3 | 7.5A | Tilt and telescopic steering, Headlight switch, Windshield wiper and washer switch, Turn signal switch |
| 19. DOME | 7.5A | Interior light, Personal lights, Vanity lights, Foot lights, Ignition switch light, Trunk light, Antenna, Garage door opener system, Audio system |
| 20. MPX–B2 | 7.5A | Gauges and meters, Vehicle skid control system, Tire pressure warning system |
| 21. H–LP LVL | 5A | Headlight leveling system |
| 22. P–IG | 10A | Shift lock system, Seat heater, Trip–information display, Antenna, Inside rear view mirror, Theft deterrent system |
| 23. SEAT HTR | 20A | Seat heater |
| 24. RADIO NO.2 | 10A | Audio system, Trip–information display, Seat belt warning light, Shift lock system |
| 25. CIG | 15A | Cigarette lighter |
| 26. WASHER | 20A | Windshield washer |
| 27. A/C | 5A | Air conditioning system |
| 28. P P/SEAT | 30A | Power seat system |
| 29. TV | 5A | TV, Navigation system |
Engine compartment fuse box (Fuse box A):
| Fuse/Relay N° and Name | Rating | Functions |
| 38. IG2 | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 39. MAIN | 50A | Headlights (low beam) |
| 40. IG2 MAIN | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 41. P–DOOR | 25A | Power windows, Power door lock system, Power rear view mirror control system, Outside rear view mirror defogger, Door courtesy lights |
| 42. D–DOOR | 25A | Power windows, Power door lock system, Power rear view mirror control system, Outside rear view mirror defogger, Door courtesy lights |
| 43. D/C CUT | 15A | All components in “DOME”, “MPX–B1”, “MPX–B2” and “MPX–B3” fuses |
| 44. TURN–HAZ | 15A | Turn signal lights, Emergency flashers |
| 45. ETCS | 15A | Multiport fuel injection system/sequential multiport fuel injection system |
| 46. HORN | 10A | Horn, Headlight switch |
| 47. RADIO NO.1 | 30A | Audio system |
| 48. TEL | 5A | Telephone |
| 49. ALT–S | 5A | Charging system |
| 50. EFI | 25A | Multiport fuel injection system/sequential multiport fuel injection system |
| 51. AM2 | 30A | All components in “ST” and “IG2” fuses and starting system |
| 52. ABS NO.2 | 40A | Anti–lock brake system |
| 53. ALT | 140A | Charging system |
| 54. ABS NO.1 | 60A | Anti–lock brake system |
| 55. HEATER | 50A | Air conditioning system |
| 56. RR J/B | 50A | All components in “DEFOG”, “ROOF RH”, “ROOF LH”, “LGG RH”, “LGG LH”, “P–TRAY”, “LCE LP”, and “FUEL OPN” fuses |
| 57. H–LP CLN | 30A | Headlight cleaner |
| 58. FAN | 40A | Air conditioning system |
| 59. FAN NO.2 | 40A | Air conditioning system |
| 60. H–LP R LWR | 15A | Right–hand headlight (low beam) |
| 61. H–LP L LWR | 15A | Left–hand headlight (low beam) |
| 62. H–LP UPR | 20A | Headlight (high beam), Headlight switch |
Engine compartment fuse box (Fuse box B):
| Fuse/Relay N° and Name | Rating | Functions |
| 63. STARTER | 7.5A | Starting system |
| 64. EFI NO.2 | 10A | Multiport fuel injection system/sequential multiport fuel injection system, Emission control system |
| 65. IGN | 5A | Multiport fuel injection system/sequential multiport fuel injection system, Anti–lock brake system, Traction control system, Vehicle stability control system, Cruise control system |
| 66. INJ | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
Luggage compartment fuse box:
| Fuse/Relay N° and Name | Rating | Functions |
| 30. DEFOG | 30A | Rear window defogger |
| 31. LCE LP | 7.5A | License plate lights |
| 32. ROOF RH | 20A | Retractable hardtop lock system |
| 33. FUEL OPN | 10A | Fuel filler door opener |
| 34. ROOF LH | 20A | Retractable hardtop lock system |
| 35. P–TRAY | 20A | Quarter window |
| 36. LGG LH | 20A | Luggage lock system |
| 37. LGG RH | 20A | Luggage lock system |
