
2010 - 2013 Toyota Tundra Fuse Relay Boxes Location
2010 - 2013 Toyota Tundra, has 2 fuse and relay boxes, 1 fuse relay box in the engine compartment and 1 fuse relay box in the passenger compartment.
Engine Compartment Fuse Relay Box Location:

The location of the fuse box in the engine compartment is on the driver's side of the engine, next to battery. The fuse and relays layout diagram is on the fuse relay box cover. If you want a detailed layout, you can find it in the owner's manual or on one of the websites with diagrams and layouts of fuses and relays.
Passenger Compartment Fuse Relay Box Location:

The location of the fuse box in the passenger compartment is on the driver's side under the dashboard. The fuse and relays layout diagram is on the fuse relay box cover. If you want a detailed layout, you can find it in the owner's manual or on one of the websites with diagrams and layouts of fuses and relays.
WARNING AND NOTES REGARDING FUSE REPLACEMENT IN THE VEHICLE:
- The vehicle is secured against rolling away.
- All electrical consumers are switched off.
- The vehicle is switched off.
- Always replace faulty fuses with specified new fuses containing the correct amperage.
- Use only fuses appeoved for Toyota with the respective fuse rating.
- When is the fuse box open, make shure that no moisture can enter the fuse box.
- When closing the fuse box, make shure that the seal of the lid is positioned correctly on the fuse box.
2011 Model Engine Compartment Fuse Relay Box Layout:
| Fuse/Relay | Rating | Functions |
| 1. A/F | 15A | Multiport fuel injection system/sequential multiport fuel injection system |
| 2. HORN | 10A | Horn |
| 3. EFI NO.1 | 25A | Multiport fuel injection system/sequential multiport fuel injection system |
| 4. IG2 MAIN | 30A | INJ, MET, IGN fuses |
| 5. DEICER | 20A | Front windshield wiper de−icer |
| 6. TOW TAIL | 30A | Trailer lights (tail lights) |
| 7. POWER NO.4 | 25A | Power windows |
| 8. POWER NO.2 | 30A | Power back windows |
| 9. FOG | 15A | Front fog lights |
| 10. STOP | 15A | Stop lights, high mounted stoplight, vehicle stability control system, anti-lock brake system, shift lock system, multiport fuel injection system/sequential multiport fuel injection system, towing converter |
| 11. TOW BRK | 30A | Trailer brake controller |
| 12. IMB | 7.5A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 13. AM2 | 7.5A | Starting system |
| 14. TOWING | 30A | Towing converter |
| 15. AI PMP HTR | 10A | Air injection system |
| 16. ALT−S | 5A | Charging system |
| 17. TURN−HAZ | 15A | Turn signal lights, emergency flashers, towing converter |
| 18. F/PMP | 15A | No circuit |
| 19. ETCS | 10A | Multiport fuel injection system/Sequential multiport fuel injection system, electric throttle control system |
| 20. MET−B | 5A | Gauges and meters |
| 21. AMP | 30A | Audio system, rear view monitor, navigation system, rear seat entertainment system |
| 22. RAD NO.1 | 15A | Audio system, rear view monitor, navigation system, rear seat entertainment system |
| 23. ECU−B1 | 7.5A | Multiplex communication system, Multiport fuel injection system/ sequential multiport fuel injection system, auto anti-glare inside rear view mirror, power outlets, power front driver’s seat, power tilt and power telescopic |
| 24. DOME | 7.5A | Interior lights, personal lights, vanity lights, engine switch light, foot light, accessory meter |
| 25. HEAD LH | 15A | Left−hand headlight (high beam) |
| 26. HEAD LL | 15A | Left−hand headlight (low beam) |
| 27. INJ | 10A | Multiport fuel injection system/ sequential multiport fuel injection system, ignition system |
| 28. MET | 7.5A | Gauges and meters |
| 29. IGN | 10A | SRS airbag system, multiport fuel injection system/sequential multiport fuel injection system, cruise control system |
| 30. HEAD RH | 15A | Right−hand headlight (high beam) |
| 31. HEAD RL | 15A | Right−hand headlight (low beam) |
| 32. EFI NO.2 | 10A | Multiport fuel injection system/ sequential multiport fuel injection system, leak detection pump |
| 33. DEF I/UP | 5A | No circuit |
| 34. SPARE | 5A | Spare fuse |
| 35. SPARE | 15A | Spare fuse |
| 36. SPARE | 30A | Spare fuse |
| 37. DEFOG | 40A | Back window defogger |
| 38. SUB BATT | 40A | Trailer towing |
| 39. ABS1 | 50A | Anti-lock brake system, vehicle stability control system |
| 40. ABS2 | 40A | Anti-lock brake system, vehicle stability control system |
| 41. ST | 30A | Starting system |
| 42. HTR | 50A | Air conditioning system |
| 43. LH-J/B | 150A | AM1, TAIL, PANEL, ACC, CIG, LH-IG, 4WD, ECU-IG No.1, BK/UP LP, SEAT-HTR, A/C IG, ECU-IG No.2, WSH, WIPER, OBD, A/C, TI&TE, FR P/SEAT RH, MIR, DR/LCK, FR P/SEAT LH, CARGO LP, PWR OUTLET, POWER No.1 fuses |
| 44. ALT |
180A 140A |
LH-J/B, HTR, SUB BATT, TOW BRK, STOP, FOG, TOW TAIL, DEICER fuses |
| 45. A/PUMP NO.1 | 50A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 46. A/PUMP NO.2 | 50A | Multiport fuel injection system/ sequential multiport fuel injection system |
| 47. MAIN | 40A | HEAD LL, HEAD RL, HEAD LH, HEAD RH fuses |
2011 Model Passenger Compartment Fuse Relay Box Layout:
| Fuse/Relay | Rating | Functions |
| 1. INVERTER | 15A | Power outlet (115V) |
| 2. FR P/SEAT LH | 30A | Power front drivers seat |
| 3. DR/LCK | 25A | Multiplex communication system |
| 4. OBD | 7.5A | On−board diagnosis system |
| 5. PWR OUTLET | 15A | Power outlets |
| 6. CARGO LP | 7.5A | Cargo lamp |
| 7. AM1 | 7.5A | Shift lock system, starting system |
| 8. A/C | 7.5A | Air conditioning system |
| 9. MIR | 15A | Outside rear view mirror control, outside rear view mirror heaters |
| 10. POWER NO.3 | 20A | Power windows |
| 11. FR P/SEAT RH | 30A | Power front passenger seat |
| 12. TI&TE | 15A | Power tilt and power telescopic |
| 13. S/ROOF | 25A | Electric moon roof |
| 14. ECU−IG NO.1 | 7.5A | Anti-lock brake system, vehicle stability control system, multiplex communication system, intuitive parking assist system, power front driver’s seat, power tilt and power telescopic, shift lock, tire pressure warning system, accessory meter, trailer towing, power outlet, electric moon roof |
| 15. LH−IG | 7.5A | Back-up lights, charging system, gauges and meters, turn signal lights, air conditioning system, seat heaters, back window defogger |
| 16. 4WD | 20A | Four−wheel drive control system |
| 17. WSH | 20A | Window washer |
| 18. WIPER | 30A | Wiper and washer |
| 19. ECU−IG NO.2 | 7.5A | Multiplex communication system |
| 20. TAIL | 15A | Tail lights, trailer lights (tail lights), parking lights, outer foot lights |
| 21. A/C IG | 10A | Air conditioning system |
| 22. TOW BK/UP | 7.5A | Trailer lights |
| 23. SEAT−HTR | 20A | Seat heaters or heater and ventilated seats |
| 24. PANEL | 7.5A | Instrument panel lights, glove box light, accessory meter, audio system, rear view monitor, navigation system, rear seat entertainment system, gauges and meters, air conditioning system |
| 25. ACC | 7.5A | Accessory meter, audio system, rear seat entertainment system, rear view monitor, navigation system, back-up lights, trailer lights (back-up lights), multiplex communication system, power outlet, outside rear view mirror |
| 26. BK/UP LP | 10A | Back−up light, gauges and meters |
| 27. POWER NO.1 | 30A | Power windows, power back window |

