Toyota Highlander 2012 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located under the instrument panel on the driver’s side.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° and Name | Rating | Functions |
| 1. P/SEAT | 30A | Power seat |
| 2. POWER | 30A | Power windows |
| 3. RR DOOR RH | 25A | Power windows |
| 4. RR DOOR LH | 25A | Power windows |
| 5. FR FOG | 15A | Front fog lights |
| 6. OBD | 7.5A | On-board diagnosis system |
| 7. A/C W/PMP | 7.5A | No circuit |
| 8. STOP | 10A | Enhanced vehicle stability control system, multiplex communication system, multiport fuel injection system/sequential multiport fuel injection system, shift lock system, stop lights |
| 9. DOOR NO.2 | 25A | Power windows |
| 10. AM1 | 7.5A | Starting system |
| 11. P/SEAT (PS) | 30A | Power seat |
| 12. A/C NO.1 | 10A | Air conditioning system |
| 13. FUEL OPN | 7.5A | No circuit |
| 14. S/ROOF | 30A | Electric moon roof |
| 15. TAIL | 15A | Parking lights, tail lights, license plate lights, fog lights, trailer lights |
| 16. PANEL | 7.5A | Glove box light, instrument panel lights, switch illumination |
| 17. ECU IG NO.1 | 10A | Multiplex communication system, electric moon roof, electronically controlled automatic transmission system, power back door, seat heaters, tire pressure warning system, electric power steering, antiglare inside rear view mirror, shift lock system, tire pressure warning system |
| 18. ECU IG NO.2 | 7.5A | Enhanced vehicle stability control system |
| 19. A/C NO.2 | 10A | Air conditioning system |
| 20. WASH | 20A | Windshield wipers and washer |
| 21. S-HTR | 20A | Seat heaters |
| 22. GAUGE NO.1 | 10A | Audio system, back-up lights, charging system, emergency flashers, traction control system, windshield wiper de-icer, air conditioning system, charging system, rear view monitor system, trailer lights, multiport fuel injection system/sequential multiport fuel injection system |
| 23. FR WIP | 30A | Windshield wipers and washer |
| 24. RR WIP | 15A | Rear window wiper and washer |
| 25. IGN | 10A | Multiport fuel injection system/ sequential multiport fuel injection system, steering lock system, smart key system, SRS airbag system |
| 26. GAUGE NO.2 | 7.5A | Gauges and meters, rear view monitor system |
| 27. ECU-ACC | 7.5A | Outside rear view mirrors, shift lock system, smart key system, multiplex communication system |
| 28. ACC SOCK NO.1 | 10A | Power outlet |
| 29. ACC SOCK NO.2 | 20A | Power outlet |
| 30. RADIO NO.2 | 7.5A | Audio system, clock, rear seat entertainment system, interior lights, personal lights |
Engine compartment fuse box (Fuse box 1):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. SPARE | 7.5A | Spare fuse |
| 2. SPARE | 15A | Spare fuse |
| 3. SPARE | 25A | Spare fuse |
| 4. DEF RLY | 10A | Rear window defogger |
| 5. MIR HTR | 20A | Outside rear view mirror defoggers |
| 6. PWR OUTLET | 20A | Power outlet |
| 7. DOOR NO.1 | 25A | Multiplex communication system |
| 8. EFI NO.2 | 10A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 9. EFI NO.3 | 10A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 10. INJ NO.1 | 15A | Starting system |
| 11. INJ NO.2 | 10A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 12. HTR | 50A | Air conditioning system |
| 13. VSC NO.1 | 50A | Enhanced vehicle stability control system |
| 14. FAN MAIN | 50A | Electric cooling fan |
| 15. VSC NO.2 | 30A | Enhanced vehicle stability control system |
| 16. PTC NO.1 | 50A | Air conditioning system |
| 17. PTC NO.2 | 30A | Air conditioning system |
| 18. PTC NO.3 | 30A | Air conditioning system |
| 19. RR CLR | 40A | Air conditioning system |
| 20. RR DEF | 30A | Rear window defogger |
| 21. PBD | 30A | Power back door |
| 22. ALT | 140A | MIR HTR, PWR OUTLET, DOOR NO.1, HTR, RR DEF, FAN MAIN, VSC NO.1, PTC NO.1, RR CLR, PTC NO.2, PTC NO.3, VSC NO.2, PBD |
| 23. EPS | 80A | Electric power steering |
| 24. ST | 30A | Starting system |
| 25. CRT | 10A | Rear seat entertainment system, audio system |
| 26. RADIO NO.1 | 15A | Audio system |
| 27. ECU-B NO.1 | 10A | Steering sensor, gauges and meters, clock, main body ECU, wireless remote control, smart key system, power back door, multiinformation display, front passenger occupant classification system |
| 28. DOME | 10A | Vanity lights, personal lights, interior light, gauges and meters, engine switch light, door courtesy lights |
| 29. TOWING | 30A | Trailer lights |
| 30. STR LOCK | 20A | Steering lock system |
| 31. EFI MAIN | 25A | Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO.2, EFI NO.3 |
| 32. HAZ | 15A | Turn signal lights |
| 33. IG2 | 25A | INJ NO.1, INJ NO.2, IGN, GAUGE NO.2 |
| 34. AMP | 15A | Audio system |
| 35. RR FOG | 7.5A | No circuit |
| 36. DEICER | 15A | Windshield wiper de-icer |
| 37. G/H | 10A | Glass hatch, multiplex communication system, outer foot lights |
| 38. ALT-S | 7.5A | Charging system |
| 39. AM2 | 7.5A | Multiplex communication system |
| 40. H-LP LH HI | 15A | Left-hand headlight (high beam) |
| 41. H-LP RH HI | 15A | Right-hand headlight (high beam) |
| 42. H-LP LH LO | 15A | Left-hand headlight (low beam) |
| 43. H-LP RH LO | 15A | Right-hand headlight (low beam) |
| 44. HORN | 10A | Horn |
| 45. EFI NO.1 | 10A | Multiport fuel injection system/ sequential multiport fuel injection system, smart key system |
| 46. ETCS | 10A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 47. A/F | 20A | Air fuel ratio sensor |
| 48. S-HORN | 7.5A | S-HORN |
Engine compartment fuse box (Fuse box 2):
| Fuse/Relay N° and Name | Rating | Functions |
| 1. INV-W/P | 15A | No circuit |
| 2. IGCT NO.2 | 7.5A | No circuit |
| 3. A/C | 10A | No circuit |
