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In this article, you will find information about the fuses of the Toyota 4Runner (N210) (models 2003, 2004, and 2005), including diagrams of the fuse boxes, a list of fuses, their designation, and the location of the fuse blocks within the vehicle.
Checking and Replacing Fuses in Toyota 4Runner
If the headlights or other electrical components do not work, check the fuses. If any of the fuses are blown, they must be replaced. Determine which fuse may be causing the problem. The lid of the fuse box shows the name of the circuit for each fuse. If the fuse has blown, push a new fuse into the clip. Only install a fuse with the amperage rating designated on the fuse box lid.
If you are not sure whether the fuse has blown, try replacing the suspected fuse with one that you know is good.
If the new fuse immediately blows out, there is a problem with the electrical system. Have your Toyota dealer correct it as soon as possible.
Caution!
Never use a fuse with a higher amperage rating, or any other object, in place of a fuse. This may cause extensive damage and possibly a fire.
Location of Fuse Boxes
Passenger Compartment:
Under-Hood Compartment:
Fuse Box Diagrams
2003
Passenger Compartment Fuses
| № | Fuse | A | Function |
|---|---|---|---|
| 29 | IGN | 10A | Multiport fuel injection system/sequential multiport fuel injection system, anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, stop light, meter and gauge |
| 30 | SRS | 10A | SRS airbag system |
| 31 | GAUGE | 7.5A | Meter and gauge |
| 32 | STA NO.2 | 7.5A | Multiport fuel injection system/sequential multiport fuel injection system |
| 33 | FR WIP-WSH | 30A | Windshield wipers and washer |
| 34 | 4WD | 20A | Four-wheel drive control system |
| 35 | D P/SEAT | 30A | Driver’s power seat |
| 36 | P P/SEAT | 30A | Front passenger’s power seat |
| 37 | PWR OUTLET | 15A | Power outlets |
| 38 | RR WSH | 15A | Rear window washer, multiplex communication system |
| 39 | ECU-IG | 10A | Shift lock control system, power windows, anti-lock brake system, traction control system (two- wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, electric moon roof, multiplex communication system, theft deterrent system, rear height control air suspension |
| 40 | IG1 | 15A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, air conditioning system, charging system, rear window defogger, back-up lights, turn signal lights, emergency flashers, seat heaters, AC inverter, instrument panel light control, auto anti-glare inside rear view mirror, SRS airbag system |
| 41 | STA | 7.5A | No circuit |
| 42 | SECU/HORN | 10A | Theft deterrent system |
| 43 | TAIL | 10A | Tail lights, license plate lights, parking lights, instrument panel light control, multiport fuel injection system/sequential multiport fuel injection system, instrument panel lights, meter and gauge, grove box light |
| 44 | ACC | 7.5A | Power outlets, outside rear view mirrors, audio system, navigation system, rear seat audio system, shift lock control system, instrument panel lights |
| 45 | CIG | 10A | No circuit |
| 56 | POWER | 30A | Power windows, electric moon roof |
Under-Hood Compartment Fuses
| № | Fuse | A | Function |
|---|---|---|---|
| 1 | SPARE | 10A | Spare fuse |
| 2 | SPARE | 15A | Spare fuse |
| 3 | STOP | 10A | Stop/tail lights, high mounted stoplight, shift lock control system, anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, rear height control air suspension, multiport fuel injection system/sequential multiport fuel injection system, trailer brake controller, trailer lights (tail lights) |
| 4 | AC115V INV | 15A | AC inverter |
| 5 | FR FOG | 15A | Front fog lights |
| 6 | OBD | 7.5A | On-board diagnosis system |
| 7 | HEAD (LO RH) | 10A | Right-hand headlight (low beam) |
| 8 | HEAD (LO LH) | 10A | Left-hand headlight (low beam) |
| 9 | HEAD (HI RH) | 10A | Right-hand headlight (high beam) |
| 10 | HEAD (HI LH) | 10A | Left-hand headlight (high beam) |
| 11 | EFI NO.2 | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 12 | HEATER NO.2 | 7.5A | Air conditioning system |
| 13 | AIRSUS NO.2 | 10A | Rear height control air suspension |
| 14 | SEAT HEATER | 25A | Seat heaters |
| 15 | DEFOG | 30A | Rear window defogger, multiport fuel injection system/sequential multiport fuel injection system |
| 16 | MIR HEATER | 10A | Outside rear view mirror heater |
| 17 | DOME | 10A | Interior light, personal lights, wireless remote control system, door courtesy lights, rear seat audio system, gauge and meter, vanity lights, instrument panel lights, running board lights, multiplex communication system |
| 18 | RADIO NO.1 | 20A | Audio system, navigation system |
| 19 | ECU-B | 10A | Anti-lock brake system, navigation system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, air conditioning system, multiplex communication system, theft deterrent system |
| 20 | ALT-S | 7.5A | Charging system |
| 21 | HORN | 10A | Horns |
| 22 | A/F HEATER | 15A | No circuit |
| 23 | TRN-HAZ | 15A | Turn signal lights, emergency flashers |
| 24 | ETCS | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 25 | EFI | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 26 | DR/LCK | 20A | Power door lock system |
| 27 | TOWING | 30A | Towing converter |
| 28 | RADIO NO.2 | 20A | Audio system |
| 46 | HEATER | 50A | Air conditioning system |
| 47 | AIRSUS | 50A | Rear height control air suspension |
| 48 | AM1 | 50A | All components in “ACC”, “CIG”, “IG1”, “ECU-IG”, “FR WIP- WSH”, “RR WIP”, “RR-WSH”, “4WD”, and “STA” fuses |
| 49 | TOWING BRK | 30A | Trailer brake controller |
| 50 | J/B | 50A | All components in “PWR OUTLET”, “D P/SEAT”, “P P/SEAT”, “POWER”, “TAIL” and “SECU/HORN” fuses |
| 51 | BATT CHG | 30A | Trailer sub battery |
| 52 | TOWING | 40A | Trailer lights (tail lights) |
| 53 | ABS MTR | 40A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system |
| 54 | AM2 | 30A | Starter system, “IGN”, “GAUGE”, “STA NO.2” and “SRS” fuses |
| 55 | ABS SOL | 50A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system |
| 57 | ALT | 140A | All components in “AM2”, “ALT-S”, “DR/LCK”, “TRN-HAZ”, “HORN”, “RADIO NO.2”, “EFI”, “TOWING”, “ABS MTR”, “ABS SOL” and “ETCS” fuses |
2004
Passenger Compartment Fuses
| № | Fuse | A | Function |
|---|---|---|---|
| 29 | IGN | 10A | Multiport fuel injection system/sequential multiport fuel injection system, anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, stop light, meter and gauge |
| 30 | SRS | 10A | SRS airbag system |
| 31 | GAUGE | 7.5A | Meter and gauge |
| 32 | STA NO.2 | 7.5A | Multiport fuel injection system/sequential multiport fuel injection system |
| 33 | FR WIP-WSH | 30A | Windshield wipers and washer |
| 34 | 4WD | 20A | Four-wheel drive control system |
| 35 | D P/SEAT | 30A | Driver’s power seat |
| 36 | P P/SEAT | 30A | Front passenger’s power seat |
| 37 | PWR OUTLET | 15A | Power outlets |
| 38 | RR WSH | 15A | Back window washer, multiplex communication system |
| 39 | ECU-IG | 10A | Shift lock control system, power windows, anti-lock brake system, traction control system (two- wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, electric moon roof, multiplex communication system, theft deterrent system, rear height control air suspension, tire pressure warning system |
| 40 | IG1 | 15A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, air conditioning system, charging system, back window defogger, back-up lights, turn signal lights, emergency flashers, seat heaters, AC inverter, instrument panel light control, auto anti-glare inside rear view mirror, SRS airbag system |
| 41 | STA | 7.5A | No circuit |
| 42 | SECU/HORN | 10A | Theft deterrent system |
| 43 | TAIL | 10A | Tail lights, license plate lights, parking lights, instrument panel light control, multiport fuel injection system/sequential multiport fuel injection system, instrument panel lights, meter and gauge, grove box light |
| 44 | ACC | 7.5A | Power outlets, outside rear view mirrors, audio system, navigation system, rear seat audio system, shift lock control system, instrument panel lights |
| 45 | CIG | 10A | No circuit |
| 55 | POWER | 30A | Power windows, electric moon roof |
Under-Hood Compartment Fuses
| № | Fuse | A | Function |
|---|---|---|---|
| 1 | SPARE | 10A | Spare fuse |
| 2 | SPARE | 15A | Spare fuse |
| 3 | STOP | 10A | Stop/tail lights, high mounted stoplight, shift lock control system, anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, rear height control air suspension, multiport fuel injection system/sequential multiport fuel injection system, trailer brake controller, trailer lights (tail lights) |
| 4 | AC115V INV | 15A | AC inverter |
| 5 | FR FOG | 15A | Front fog lights |
| 6 | OBD | 7.5A | On-board diagnosis system |
| 7 | HEAD (LO RH) | 10A | Right-hand headlight (low beam) |
| 8 | HEAD (LO LH) | 10A | Left-hand headlight (low beam) |
| 9 | HEAD (HI RH) | 10A | Right-hand headlight (high beam) |
| 10 | HEAD (HI LH) | 10A | Left-hand headlight (high beam) |
| 11 | EFI NO.2 | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 12 | HEATER NO.2 | 7.5A | Air conditioning system |
| 13 | AIRSUS NO.2 | 10A | Rear height control air suspension |
| 14 | SEAT HEATER | 25A | Seat heaters |
| 15 | DEFOG | 30A | Back window defogger, multiport fuel injection system/sequential multiport fuel injection system |
| 16 | MIR HEATER | 10A | Outside rear view mirror heater |
| 17 | DOME | 10A | Interior light, personal lights, wireless remote control system, door courtesy lights, rear seat audio system, gauge and meter, vanity lights, instrument panel lights, running board lights, multiplex communication system |
| 18 | RADIO NO.1 | 20A | Audio system, navigation system |
| 19 | ECU-B | 10A | Anti-lock brake system, navigation system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, air conditioning system, multiplex communication system, theft deterrent system |
| 20 | ALT-S | 7.5A | Charging system |
| 21 | HORN | 10A | Horns |
| 22 | A/F HEATER | 15A | A/F sensor |
| 23 | TRN-HAZ | 15A | Turn signal lights, emergency flashers |
| 24 | ETCS | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 25 | EFI | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 26 | DR/LCK | 20A | Power door lock system |
| 27 | TOWING | 30A | Towing converter |
| 28 | RADIO NO.2 | 20A | Audio system |
| 46 | AIRSUS | 50A | Rear height control air suspension |
| 47 | AM1 | 50A | All components in “ACC”, “CIG”, “IG1”, “ECU-IG”, “FR WIP-WSH”, “RR WIP”, “RR-WSH”, “4WD”, and “STA” fuses |
| 48 | TOWING BRK | 30A | Trailer brake controller |
| 49 | J/B | 50A | All components in “PWR OUTLET”, “D P/SEAT”, “P P/SEAT”, “POWER”, “TAIL” and “SECU/HORN” fuses |
| 50 | BATT CHG | 30A | Trailer sub battery |
| 51 | TOWING | 40A | Trailer lights (tail lights) |
| 52 | ABS MTR | 40A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system |
| 53 | AM2 | 30A | Starter system, “IGN”, “GAUGE”, “STA NO.2” and “SRS” fuses |
| 54 | ABS SOL | 50A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system |
| 56 | ALT | 140A | All components in “AM2”, “ALT-S”, “DR/LCK”, “TRN-HAZ”, “HORN”, “RADIO NO.2”, “EFI”, “TOWING”, “ABS MTR”, “ABS SOL”, “HEATER” and “ETCS” fuses |
| 57 | HEATER | 60A | Air conditioning system |
2005
Passenger Compartment Fuses
| № | Fuse | A | Function |
|---|---|---|---|
| 29 | IGN | 10A | Multiport fuel injection system/sequential multiport fuel injection system, anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, stop light, meter and gauge, front passenger occupant classification system |
| 30 | SRS | 10A | SRS airbag system |
| 31 | GAUGE | 7.5A | Meter and gauge |
| 32 | STA NO.2 | 7.5A | Multiport fuel injection system/sequential multiport fuel injection system |
| 33 | FR WIP-WSH | 30A | Windshield wipers and washer |
| 34 | 4WD | 20A | Four-wheel drive control system |
| 35 | D P/SEAT | 30A | Driver’s power seat |
| 36 | P P/SEAT | 30A | Front passenger’s power seat |
| 37 | PWR OUTLET | 15A | Power outlets |
| 38 | RR WSH | 15A | Back window washer, multiplex communication system |
| 39 | ECU-IG | 10A | Shift lock control system, power windows, anti-lock brake system, traction control system (two- wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, electric moon roof, multiplex communication system, theft deterrent system, rear height control air suspension, tire pressure warning system |
| 40 | IG1 | 15A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, air conditioning system, charging system, back window defogger, back-up lights, turn signal lights, emergency flashers, seat heaters, AC inverter, instrument panel light control, auto anti-glare inside rear view mirror |
| 41 | STA | 7.5A | No circuit |
| 42 | SECU/HORN | 10A | Theft deterrent system |
| 43 | TAIL | 10A | Tail lights, license plate lights, parking lights, instrument panel light control, multiport fuel injection system/sequential multiport fuel injection system, instrument panel lights, meter and gauge, grove box light |
| 44 | ACC | 7.5A | Power outlets, outside rear view mirrors, audio system, navigation system, rear seat audio system, shift lock control system, instrument panel lights |
| 45 | CIG | 10A | No circuit |
| 56 | POWER | 30A | Power windows, electric moon roof |
Under-Hood Compartment Fuses
| № | Fuse | A | Function |
|---|---|---|---|
| 1 | SPARE | 10A | Spare fuse |
| 2 | SPARE | 15A | Spare fuse |
| 3 | STOP | 10A | Stop/tail lights, high mounted stoplight, shift lock control system, anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, rear height control air suspension, multiport fuel injection system/sequential multiport fuel injection system, trailer brake controller, trailer lights (tail lights) |
| 4 | AC115V INV | 15A | AC inverter |
| 5 | FR FOG | 15A | Front fog lights |
| 6 | OBD | 7.5A | On-board diagnosis system |
| 7 | HEAD (LO RH) | 10A | Right-hand headlight (low beam) |
| 8 | HEAD (LO LH) | 10A | Left-hand headlight (low beam) |
| 9 | HEAD (HI RH) | 10A | Right-hand headlight (high beam) |
| 10 | HEAD (HI LH) | 10A | Left-hand headlight (high beam) |
| 11 | EFI NO.2 | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 12 | HEATER NO.2 | 7.5A | Air conditioning system |
| 13 | AIRSUS NO.2 | 10A | Rear height control air suspension |
| 14 | SEAT HEATER | 25A | Seat heaters |
| 15 | DEFOG | 30A | Back window defogger, multiport fuel injection system/sequential multiport fuel injection system |
| 16 | MIR HEATER | 10A | Outside rear view mirror heater |
| 17 | DOME | 10A | Interior light, personal lights, wireless remote control system, door courtesy lights, rear seat audio system, gauge and meter, vanity lights, instrument panel lights, running board lights, multiplex communication system |
| 18 | RADIO NO.1 | 20A | Audio system, navigation system |
| 19 | ECU-B | 10A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system, air conditioning system, multiplex communication system, theft deterrent system |
| 20 | ALT-S | 7.5A | Charging system |
| 21 | HORN | 10A | Horns |
| 22 | A/F HEATER | 15A | A/F sensor |
| 23 | TRN-HAZ | 15A | Turn signal lights, emergency flashers |
| 24 | ETCS | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
| 25 | EFI | 20A | Multiport fuel injection system/sequential multiport fuel injection system |
| 26 | DR/LCK | 20A | Power door lock system |
| 27 | TOWING | 30A | Towing converter |
| 28 | RADIO NO.2 | 20A | Audio system |
| 46 | A/PUMP | 50A | Multiport fuel injection system/sequential multiport fuel injection system |
| 47 | AIRSUS | 50A | Rear height control air suspension |
| 48 | AM1 | 50A | All components in “ACC”, “CIG”, “IG1”, “ECU-IG”, “FR WIP- WSH”, “RR WIP”, “RR-WSH”, “4WD”, and “STA” fuses |
| 49 | TOWING BRK | 30A | Trailer brake controller |
| 50 | J/B | 50A | All components in “PWR OUTLET”, “D P/SEAT”, “P P/SEAT”, “POWER”, “TAIL” and “SECU/HORN” fuses |
| 51 | BATT CHG | 30A | Trailer sub battery |
| 52 | TOWING | 40A | Trailer lights (tail lights) |
| 53 | ABS MTR | 40A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system |
| 54 | AM2 | 30A | Starter system, “IGN”, “GAUGE”, “STA NO.2” and “SRS” fuses |
| 55 | ABS SOL | 30A | Anti-lock brake system, traction control system (two-wheel drive models), active traction control system (four-wheel drive models), vehicle stability control system |
| 57 | ALT | 140A | All components in “AM2”, “ALT-S”, “DR/LCK”, “TRN-HAZ”, “HORN”, “RADIO NO.2”, “EFI”, “TOWING”, “ABS MTR”, “ABS SOL”, “HEATER” and “ETCS” fuses |
| 58 | HEATER | 60A | Air conditioning system |