Toyota 4Runner Fuse Box diagrams: Complete schemes for generations

BySerge Barrett

The Toyota 4Runner is a rugged SUV with a long history of reliability, but electrical issues like non-working lights, power outlets, or accessories often trace back to a blown fuse. Knowing the fuse box locations and exact assignments for your generation helps diagnose problems quickly. This guide provides full fuse schemes for every 4Runner generation, based on official Toyota data and service manuals.

Fuses protect circuits from overloads, and replacing a blown one is simple — always use the same amperage. If a fuse blows repeatedly, there’s an underlying short or fault — do not jump to a higher amp. Refer to your owner’s manual for year-specific variations (e.g., towing packages or engine options). Generations are grouped as follows: 1st (N60, 1984–1989), 2nd (N120/N130, 1990–1995), 3rd (N180/N185, 1996–2002), 4th (N210, 2003–2009), 5th (N280, 2010–present with facelifts in 2014 and 2020).

2nd Generation Toyota 4Runner (1990–1995)

This generation introduced more fuses for added features like 4WD and ABS.

Fuse Box Locations

  • Passenger Compartment: Driver’s side kick panel.
  • Engine Compartment Fuse Box (Version 1): Near battery.
  • Additional Relay Box (Version 1): Engine compartment.
  • Engine Compartment Fuse Box (Version 2): Near battery (alternative layout).
  • Additional Relay Box (Version 2): Engine compartment.

Passenger Compartment Fuse Box

  • 1 Fuse ATO 10A (ENGINE) Cruise Control SW, Cruise Control ECU, Cruise Control Main Relay, Cruise Control ECU, Generator (Alternator)
  • 2 Fuse ATO 7.5A (IGN) Charge Warning Light, Generator (Alternator), EFI Main Relay
  • 3 Fuse ATO 15A (TAIL) Taillight, A/C SW, Back-Up and License Plate Light, Cigarette Lighter, Clock, Combination Meter Illumination, Defogger SW, Electronically Controlled Transmission Pattern Select SW, Front Parking Light, Glove Box Light, Glove Box Light SW, Hazard SW, Heater Blower SW, Integration Relay, Light Reminder Relay, O/D Main SW, Radio and Player, Rheostat, Rear Power Window Lock SW, Rear Power Window SW
  • 4 Fuse ATO 20A (WIPER) Wiper and Washer SW, Rear Power Window and Rear Wiper Control Relay, Washer Motor, Wiper Motor
  • 5 Fuse ATO 10A (GAUGE) Combination Meter, ADD Indicator SW, ABS Actuator, ABS Check Connector, ABS Relay, ADD Control Relay, ABS ECU, Auto Antenna Control Relay, Back-Up Light SW (M/T), Brake Fluid Level SW, Back Door Unlock Warning SW, Back-Up and License Plate Light, Defogger Relay, Moon Roof Relay, ABS Warning Light, A/T Oil Temp. Indicator Light, A/T Parking Indicator Light, Back Door Unlock Indicator Light, Malfunction Indicator Lamp (Check Engine Warning Light), O/D Off Indicator Light, Rear Anti-Lock Warning Light, Turn Signal Indicator Light, Cruise Control Indicator Light, Seat Belt Warning Light, 4WD Indicator Light, Cruise Control ECU, Cruise Control ECU, Data Link Connector 1, Daytime Running Light Relay (Main), Defogger SW, Diode (for ADD), Door Control Relay, Diode (for Rear Window Defogger), Electronically Controlled Transmission Pattern Select SW, Engine Control Module (Engine and Electronically Controlled Transmission ECU (A/T), Engine ECU (M/T)), Fuel Sender, Heater Blower SW, Headlight Auto Cut ECU, (Indicator SW (for Transfer, A/T 22R-E) and Transfer Oil Pressure SW (for ADD, w/ Electronically Controlled Transmission 22RE)), Indicator SW (for Transfer, M/T), (Indicator SW (for Transfer Position, A/T 3VZ-E), Transfer Fluid Temp. Sensor (for 3VZ-E) and Transfer Oil Pressure SW (for ADD 3VZ-E)), Integration Relay, Light Reminder Relay, Oil Pressure SW, Oil Temp. SW (for 4WD A/T 22R-E), O/D Main SW, Park/Neutral Position SW (Neutral Start SW) and Back-Up Light SW (A/T), Parking Brake SW, Rear Heater, Rear Power Window and Rear Wiper Control Relay, Rear Power Window Limit SW, Shift Lock ECU, Transfer Neutral Position SW, VSV (for 2WD, ADD), VSV (for 4WD, ADD), Water Temp. Sender, Front Heater Relay, Rear Heater Relay
  • 6 Fuse ATO 15A (STOP) Stop Light, High Mounted Stop Light, Stop Light SW, ABS ECU, Cruise Control ECU, Cruise Control ECU, Engine Control Module (Engine and Electronically Controlled Transmission ECU (A/T), Engine ECU (M/T)), Shift Lock ECU
  • 7 Fuse ATO 7.5A (RADIO) Radio and Player, Auto Antenna Control Relay, Light Reminder Relay, Remote Control Mirror
  • 8 Fuse ATO 15A (CIG) Cigarette Lighter, Clock Integration Relay, Shift Lock ECU
  • 9 Fuse ATO 10A (TURN) Turn Signal SW, Front Turn Signal Light, Rear Turn Signal Light, Hazard SW, Turn Signal Flasher, Integration Relay
  • 10 Fuse ATO 15A (REAR ANTI LOCK) ABS Actuator, ABS Relay, ABS ECU
  • 12 Fuse ATO 20A (ECU-IG) ABS ECU, ABS Deceleration Sensor
  • 13 Fuse ATO 20A (DEFOG) Rear Window Defogger (+)
  • 14 Fuse FMX/JCase 30A (POWER) Moon Roof Relay, Door Control Relay, Door Lock Motor, Door Unlock Detection SW, Door Key Lock and Unlock Detection SW, Door Lock Motor Rear, Moon Roof Control SW, Moon Roof Motor, Power Window Control, Power Window Motor Front, Power Window Motor Rear, Power Window Master SW and Door Lock Control SW, Rear Power Window and Rear Wiper Control Relay, Rear Power Window Motor, Rear Wiper Motor

Relays in Passenger Compartment

  • Flasher R1: Taillight
  • Relay R2: Daytime Running Light (DRL No.4) or Starter
  • Relay R3: Defogger
  • Relay R4: Moon Roof
  • Relay R5: Horn

Engine Compartment Fuse Box (Version 1)

  • 1 Fuse ATO 7.5A (DRL) Dimmer SW, Light Control SW, Daytime Running Light Relay (Main), Daytime Running Light Relay No. 4, Diode No. 1 (for Daytime Running Light System), Diode No. 2 (for Daytime Running Light System) or (CHARGE) Alternator
  • 2 Fuse ATO 15A (EFI) EFI Main Relay, Circuit Opening Relay, Data Link Connector 1, Engine Control Module (Engine and Electronically Controlled Transmission ECU (A/T), Engine ECU (M/T)), Fuel Pump, Heated Oxygen Sensor (Oxygen Sensor) Main, Heated Oxygen Sensor (Oxygen Sensor) Sub, Volume Air Flow (Air Flow Meter), VSV (for PAIR), VSV (for EGR), VSV (for FPU)
  • 3 Fuse ATO 15A (HAZ-HORN) Turn Signal Indicator Light, Horn SW, Front Turn Signal Light, Horn, Hazard SW, Horn Relay, Rear Turn Signal Light
  • 4 Fuse ATO 15A (DOME) Interior Light, Map Light, Radio and Player, Auto Antenna Motor, Auto Antenna Control Relay, ABS ECU (4 Wheel ABS), Back Door Lock Detection SW, Clock Cruise Control ECU, Diode (for Power Window), Door Control Relay, Door Courtesy SW Front, Diode (for Rear Interior Light), Door Courtesy Light, Door Courtesy SW Rear, Headlight Auto Cut ECU, Ignition SW and Unlock Warning SW, Integration Relay, Speaker LH, Speaker RH
  • 5 Fuse ATO 10A (HEAD (RH-LO)) Right-hand Headlight (Low Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4 or (HEAD (RH)) Right-hand Headlight, High Beam Indicator Light, Dimmer SW
  • 6 Fuse ATO 10A (HEAD (LH-LO)) Left-hand Headlight (Low Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4 or (HEAD (LH)) Left-hand Headlight, High Beam Indicator Light, Dimmer SW
  • 7 Fuse ATO 10A (HEAD (RH-HI)) Right-hand Headlight (High Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4
  • 8 Fuse ATO 10A (HEAD (LH-HI)) Left-hand Headlight (High Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4
  • 9 Fuse FLF/PAL 293 80A (ALT) 3VZ-E, 22R-E (M/T), (60A Alternator): Starter Relay (Point Side), Taillight Relay, Generator (Alternator), “AM1”, “HEATER”, “CDS FAN”, “STOP”, “HEATER” fuses
  • 9 Fuse FLF/PAL 293 100A (ALT) 22R-E (A/T), (70A Alternator): Starter Relay (Point Side), Taillight Relay, Generator (Alternator), “AM1”, “HEATER”, “CDS FAN”, “STOP”, “HEATER” fuses
  • 10 Fuse FLF/PAL 293 60A (ABS) 4 Wheel ABS: ABS Relay, ABS Actuator, ABS ECU
  • 11 Fuse FLF/PAL 293 40A (AM1) Defogger Relay (Point Side), Generator (Alternator), Starter Relay (Coil Side), Clutch Start SW (M/T), Clutch Start Cancel SW (M/T), “POWER”, “REAR ANTI LOCK”, “RADIO”, “CIG”, “GAUGE”, “TURN”, “WIPER”, “ENGINE”, “ECU-IG” fuses
  • 12 Fuse FLF/PAL 293 30A (AM2) Ignition Switch, “IGN”, “EFI” fuses, Igniter (for 3VZ-E), Ignition Coil (for 3VZ-E), Ignition Coil and Igniter (for 22R-E), Noise Filter (for Ignition), Injecto

Relays in Engine Compartment

  • Relay A: (HEAD) Headlight
  • Flasher B: (EFI) EFI Main

Additional Relay Box (Version 1)

  • 1 Fuse FLF/PAL 293 30A (CDS FAN) A/C Condenser Fan Motor, Resistor (for Condenser Fan), A/C Condenser Fan Relay No. 1, A/C Condenser Fan Relay No. 2

Relays

  • Flasher R1: (CDS FAN NO.1) A/C Condenser Fan No.1
  • Flasher R2: (CDS FAN NO.2) A/C Condenser Fan No.2

Engine Compartment Fuse Box (Version 2)

  • 1 Fuse ATO 15A (EFI) EFI Main Relay, Circuit Opening Relay, Data Link Connector 1, Engine Control Module (Engine and Electronically Controlled Transmission ECU (A/T), Engine ECU (M/T)), Fuel Pump, Heated Oxygen Sensor (Oxygen Sensor) Main, Heated Oxygen Sensor (Oxygen Sensor) Sub, Volume Air Flow (Air Flow Meter), VSV (for PAIR), VSV (for EGR), VSV (for FPU)
  • 2 Fuse ATO 7.5A (DRL) Dimmer SW, Light Control SW, Daytime Running Light Relay (Main), Daytime Running Light Relay No. 4, Diode No. 1 (for Daytime Running Light System), Diode No. 2 (for Daytime Running Light System) or (CHARGE) Alternator
  • 3 Fuse ATO 15A (DOME) Interior Light, Map Light, Radio and Player, Auto Antenna Motor, Auto Antenna Control Relay, ABS ECU (4 Wheel ABS), Back Door Lock Detection SW, Clock Cruise Control ECU, Diode (for Power Window), Door Control Relay, Door Courtesy SW Front, Diode (for Rear Interior Light), Door Courtesy Light, Door Courtesy SW Rear, Headlight Auto Cut ECU, Ignition SW and Unlock Warning SW, Integration Relay, Speaker LH, Speaker RH
  • 4 Fuse ATO 15A (HAZ-HORN) Turn Signal Indicator Light, Horn SW, Front Turn Signal Light, Horn, Hazard SW, Horn Relay, Rear Turn Signal Light
  • 5 Fuse ATO 10A (HEAD (LH-LO)) Left-hand Headlight (Low Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4 or (HEAD (LH)) Left-hand Headlight, High Beam Indicator Light, Dimmer SW
  • 6 Fuse ATO 10A (HEAD (RH-LO)) Right-hand Headlight (Low Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4 or (HEAD (RH)) Right-hand Headlight, High Beam Indicator Light, Dimmer SW
  • 7 Fuse ATO 10A (HEAD (LH-HI)) Left-hand Headlight (High Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4
  • 8 Fuse ATO 10A (HEAD (RH-HI)) Right-hand Headlight (High Beam), Daytime Running Light Resistor, Daytime Running Light Relay No. 4
  • 9 Fuse FLF/PAL 293 80A (ALT) 3VZ-E, 22R-E (M/T), (60A Alternator): Starter Relay (Point Side), Taillight Relay, Generator (Alternator), “AM1”, “HEATER”, “CDS FAN”, “STOP”, “HEATER” fuses
  • 9 Fuse FLF/PAL 293 100A (ALT) 22R-E (A/T), (70A Alternator): Starter Relay (Point Side), Taillight Relay, Generator (Alternator), “AM1”, “HEATER”, “CDS FAN”, “STOP”, “HEATER” fuses
  • 10 Fuse FLF/PAL 293 60A (ABS) 4 Wheel ABS: ABS Relay, ABS Actuator, ABS ECU
  • 11 Fuse FLF/PAL 293 40A (AM1) Defogger Relay (Point Side), Generator (Alternator), Starter Relay (Coil Side), Clutch Start SW (M/T), Clutch Start Cancel SW (M/T), “POWER”, “REAR ANTI LOCK”, “RADIO”, “CIG”, “GAUGE”, “TURN”, “WIPER”, “ENGINE”, “ECU-IG” fuses
  • 12 Fuse FLF/PAL 293 30A (AM2) Ignition Switch, “IGN”, “EFI” fuses, Igniter (for 3VZ-E), Ignition Coil (for 3VZ-E), Ignition Coil and Igniter (for 22R-E), Noise Filter (for Ignition), Injecto

Relays in Engine Compartment

  • Relay A: (HEAD) Headlight
  • Flasher B: (EFI) EFI Main

3rd Generation Toyota 4Runner (1996–2002)

Fuse Box Locations

  • Passenger Compartment: Driver’s side instrument panel, behind cover.
  • Engine Compartment: Near battery.

Passenger Compartment Fuse Box

  • 18 Fuse ATO 15A ACC Car audio system, power antenna, clock, power rear view mirror control
  • 19 Fuse ATO 7.5A ECU-B SRS airbag warning light
  • 20 Fuse ATO 20A 4WD A.D.D. control system, four-wheel drive control system, rear differential lock system
  • 21 Fuse ATO 10A TURN Turn signals lights, emergency flashers
  • 22 Fuse ATO 10A GAUGE Gauges and meters, back window defogger, daytime running light system, air conditioning system, electric moon roof
  • 23 Fuse ATO 10A ECU-IG Cruise control system, anti-lock brake system, electronically controlled automatic transmission system, power antenna
  • 24 Fuse ATO 20A WIPER Windshield wipers and washer, back window wiper
  • 25 Fuse ATO 7.5A IGN SRS airbag system, multiport fuel injection system / sequential multiport fuel injection system, discharge warning light
  • 29 Fuse ATO 30A POWER Power window, power back window, electric moon roof

Engine Compartment Fuse Box

  • 1 Fuse ATO 15A DEFOG Back window defogger
  • 2 Fuse ATO 10A STOP Stop lights, highmounted stoplight
  • 3 Fuse ATO 7.5A ALT-S Charging system
  • 4 Fuse ATO 7.5A OBD On-board diagnosis system
  • 5 Fuse ATO 15A EFI Multiport fuel injection system/sequential multiport fuel injection system
  • 6 Fuse ATO 15A HORN Horns
  • 7 Fuse ATO 15A DOME Interior lights, personal lights, luggage compartment light
  • 8 Fuse ATO 10A TAIL Tail lights, parking lights, license plate lights
  • 9 Fuse ATO 10A A.C. Air conditioning control system
  • 10 Fuse ATO 7.5A RR HTR Rear air conditioning control system
  • 13 Fuse ATO 7.5A DRL Canada: Daytime running light system
  • 14 Fuse ATO 10A HEAD (RH) / HEAD (HI RH) US: Right-hand headlight. Canada: Right-hand headlight (high beam)
  • 15 Fuse ATO 10A HEAD (LH) / HEAD (HI LH) US: Left-hand headlight. Canada: Left-hand headlight (high beam)
  • 16 Fuse ATO 10A HEAD (LO RH) Canada: Right-hand headlight (low beam)
  • 17 Fuse ATO 10A HEAD (LO LH) Canada: Left-hand headlight (low beam)
  • 26 Fuse ATO 50A HEATER Air conditioning system, “A.C” fuse
  • 27 Fuse ATO 40A AM1 Starting system
  • 28 Fuse ATO 30A AM2 Starting system, “IGN” fuse
  • 30 Fuse ATO 60A ABS Anti-lock brake system
  • 31 Fuse ATO 100A ALT Charging system

For 1998–2002, layouts are similar with minor additions like PWR OUTLET (15A) for power outlets, and MPX-B (15A) for multiplex systems in later years.

4th Generation Toyota 4Runner (2003–2009)

Fuse Box Locations

  • Engine Compartment: In the engine compartment.
  • Instrument Panel: In the instrument panel.

Fuses (Type A)

  • 1 Fuse MINI 10A SPARE Spare fuse
  • 2 Fuse MINI 15A SPARE Spare fuse
  • 3 Fuse MINI 10A STOP 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 skid control system, rear height control air suspension, multiport fuel injection system/sequential multiport fuel injection system, trailer brake controller, trailer lights (tail lights)
  • 4 Fuse MINI 15A AC115V INV AC inverter
  • 5 Fuse MINI 15A FR FOG Front fog lights
  • 6 Fuse MINI 7.5A OBD On-board diagnosis system
  • 7 Fuse MINI 10A HEAD (LO RH) Right–hand headlight (low beam)
  • 8 Fuse MINI 10A HEAD (LO LH) Left–hand headlight (low beam)
  • 9 Fuse MINI 10A HEAD (HI RH) Right–hand headlight (high beam)
  • 10 Fuse MINI 10A HEAD (HI LH) Left–hand headlight (high beam)
  • 11 Fuse MINI 10A EFI NO.2 Multiport fuel injection system/sequential multiport fuel injection system
  • 12 Fuse MINI 7.5A HEATER NO.2 Air conditioning system
  • 13 Fuse MINI 10A AIRSUS NO.2 Rear height control air suspension
  • 14 Fuse MINI 25A SEAT HEATER Seat heaters
  • 15 Fuse MINI 30A DEFOG Back window defogger, multiport fuel injection system/sequential multiport fuel injection system
  • 16 Fuse MINI 10A MIR HTR Outside rear view mirror heater
  • 17 Fuse MINI 10A DOME 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 Fuse MINI 20A RADIO NO.1 Audio system, navigation system
  • 19 Fuse MINI 10A ECU–B Anti–lock brake system, navigation system, traction control system (two–wheel drive models), active traction control system (four–wheel drive models), vehicle skid control system, air conditioning system, multiplex communication system, theft deterrent system
  • 20 Fuse MINI 7.5A ALT-S Charging system
  • 21 Fuse MINI 10A HORN Horns
  • 22 Fuse MINI 15A A/F HEATER A/F sensor
  • 23 Fuse MINI 15A TRN–HAZ Turn signal lights, emergency flashers
  • 24 Fuse MINI 10A ETCS Multiport fuel injection system/sequential multiport fuel injection system
  • 25 Fuse MINI 20A EFI Multiport fuel injection system/sequential multiport fuel injection system
  • 26 Fuse MINI 20A DR/LCK Power door lock system
  • 27 Fuse MINI 30A TOWING Towing converter
  • 28 Fuse MINI 20A RADIO NO.2 Audio system
  • 29 Fuse MINI 10A IGN 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 skid control system, stop light, meter and gauge
  • 30 Fuse MINI 10A SRS SRS airbag system
  • 31 Fuse MINI 7.5A GAUGE Meter and gauge
  • 32 Fuse MINI 7.5A STA NO.2 Multiport fuel injection system/sequential multiport fuel injection system
  • 33 Fuse MINI 30A FR WIP–WSH Windshield wipers and washer
  • 34 Fuse MINI 20A 4WD Four–wheel drive control system
  • 35 Fuse MINI 30A D P/SEAT Driver’s power seat
  • 36 Fuse MINI 30A P P/SEAT Front passenger’s power seat
  • 37 Fuse MINI 15A PWR OUTLET Power outlets
  • 38 Fuse MINI 15A RR WSH Rear window washer, multiplex communication system
  • 39 Fuse MINI 10A ECU–IG 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 skid control system, electric moon roof, multiplex communication system, theft deterrent system, rear height control air suspension
  • 40 Fuse MINI 10A IG1 Anti–lock brake system, traction control system (two–wheel drive models), active traction control system (four–wheel drive models), vehicle skid 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 Fuse MINI 7.5A STA No circuit
  • 42 Fuse MINI 10A SECU/HORN Theft deterrent system
  • 43 Fuse MINI 10A TAIL 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 Fuse MINI 7.5A ACC Power outlets, outside rear view mirrors, audio system, navigation system, rear seat audio system, shift lock control system, instrument panel lights
  • 45 Fuse MINI 10A CIG No circuit

Fuses (Type B)

  • 46 Fuse MAXI 50A A/PUMP Multiport fuel injection system/sequential multiport fuel injection system
  • 47 Fuse MAXI 50A AIRSUS Rear height control air suspension
  • 48 Fuse MAXI 50A AM1 All components in “ACC”, “CIG”, “IG1”, “ECU–IG”, “FR WIP–WSH”, “RR WIP”, “RR–WSH”, “4WD”, and “STA” fuses
  • 49 Fuse MAXI 30A TOWING BRK Trailer brake controller
  • 50 Fuse MAXI 50A J/B All components in “PWR OUTLET”, “D P/SEAT RH”, “P P/ SEAT”, “POWER”, “TAIL” and “SECU/ HORN” fuses
  • 51 Fuse MAXI 30A BATT CHG Trailer sub battery
  • 52 Fuse MAXI 40A TOWING Trailer lights (tail lights)
  • 53 Fuse MAXI 40A ABS MTR Anti–lock brake system, traction control system (two–wheel drive models), active traction control system (four–wheel drive models), vehicle skid control system
  • 54 Fuse MAXI 30A AM2 Starter system, “IGN”, “GAUGE”, “STA NO.2” and “SRS” fuses
  • 55 Fuse MAXI 50A ABS SOL Anti–lock brake system, traction control system (two–wheel drive models), active traction control system (four–wheel drive models), vehicle skid control system
  • 56 Fuse MAXI 30A POWER Power windows, electric moon roof

Fuses (Type C)

  • 56 Fuse MAXI 140A ALT All components in “AM2”, “ALT–S”, “DR/LCK”, “TRN–HAZ”, “HORN”, “RADIO NO.2”, “EFI”, “TOWING”, “ABS MTR”, “ABS SOL” and “ETCS” fuses
  • 57 Fuse MAXI 60A HEATER Air conditioning system

5th Generation Toyota 4Runner (2010–Present)

Fuse Box Locations

  • Instrument Panel: Under the instrument panel (left side), under the cover.
  • Engine Compartment: Left side in the engine compartment.

Instrument Panel Fuse Box

  • 1 Fuse MINI 10A TAIL Stop/tail lights
  • 2 Fuse MINI 7.5A PANEL Instrument panel lights
  • 3 Fuse MINI 7.5A GAUGE Meter and gauge
  • 4 Fuse MINI 10A IGN Multiport fuel injection system/sequential multiport fuel injection system, air bag system, smart key system
  • 5 Fuse MINI 20A WASHER Wiper and washer
  • 6 Fuse MINI 30A WIP Wiper and washer
  • 7 Fuse MINI 25A S/ROOF Electric moon roof
  • 8 Fuse MINI 25A DOOR RR Power windows
  • 9 Fuse MINI 25A DOOR D Power windows
  • 10 Fuse MINI 30A DOOR BACK Multiplex communication system
  • 11 Fuse MINI 30A DOOR P Power windows
  • 12 Fuse MINI 30A P/SEAT FR Front passenger’s power seat
  • 13 Fuse MINI 20A S/HTR FR Seat heater system
  • 14 Fuse MINI 10A ECU-IG NO.2 Air conditioning system, multiport fuel injection system/sequential multiport fuel injection system
  • 15 Fuse MINI 7.5A IG1 Turn signal lights, emergency flashers
  • 16 Fuse MINI 10A ECU-IG NO.1 Vehicle stability control system, tire pressure warning system, steering sensor
  • 17 Fuse MINI 7.5A DOOR Power windows
  • 18 Fuse MINI 25A DOOR RL Power windows
  • 19 Fuse MINI 7.5A AM1 Starter system
  • 20 Fuse MINI 7.5A A/C Air conditioning system
  • 21 Fuse MINI 7.5A OBD On-Board diagnosis
  • 22 Fuse MINI 15A FOG FR Fog lights
  • 23 Fuse MINI 25A D/L NO.2 Multiplex communication system
  • 24 Fuse MINI 30A P/SEAT FL Front driver’s power seat
  • 25 Fuse MINI 20A 4WD Four wheel drive system
  • 26 Fuse MINI 10A KDSS Kinetic dynamic suspension system
  • 27 Fuse MINI 10A TOWING BKUP Trailer back-up lights
  • 28 Fuse MINI 10A BKUP LP Back-up lights
  • 29 Fuse MINI 7.5A ACC Multiport fuel injection system/sequential multiport fuel injection system
  • 30 Fuse MINI 15A P/OUTLET Power outlets

Engine Compartment Fuse Box

  • 1 Fuse MINI 30A PTC HTR NO.3 PTC heater
  • 2 Fuse MINI 30A DEF Rear window defogger
  • 3 Fuse MINI 20A DEICER Windshield wiper de-icer
  • 4 Fuse MINI 10A AIR PMP HTR Air pump heater, Al combination valve
  • 5 Fuse MINI 30A PTC HTR NO.2 PTC heater
  • 6 Fuse MINI 30A SUB BATT Trailer sub battery
  • 7 Fuse MINI 10A PTC HTR NO.1 PTC heater
  • 8 Fuse MINI 10A MIR HTR Outside rear view mirror defoggers
  • 9 Fuse MINI 30A TOWING TAIL Trailer tail light
  • 10 Fuse MINI 10A A/C COMP Air conditioning system
  • 11 Fuse MINI 10A STOP Stop/tail lights
  • 12 Fuse MINI 20A IG2 INJ, IGN, GAUGE fuses
  • 13 Fuse MINI 10A HORN Horn(s)
  • 14 Fuse MINI 25A EFI Multiport fuel injection system/sequential multiport fuel injection system
  • 15 Fuse MINI 20A A/F A/F sensor
  • 16 Fuse MINI 10A H-LP RH-HI Right-hand headlight (high beam)
  • 17 Fuse MINI 10A H-LP LH-HI Left-hand headlight (high beam)
  • 18 Fuse MINI 50A HTR Air conditioning system
  • 19 Fuse MINI 80A 400W INV Power outlets
  • 20 Fuse MINI 30A ST Starter system
  • 21 Fuse MINI 20A H-LP HI H-LP RH-HI, H-LP LH-HI fuses
  • 22 Fuse MINI 7.5A ALT-S Charging system
  • 23 Fuse MINI 15A TURN&HAZ Turn signal lights, emergency flashers
  • 24 Fuse MINI 10A ETCS Multiport fuel injection system/sequential multiport fuel injection system
  • 25 Fuse MINI 30A PRG Automatic running boards system
  • 26 Fuse MINI 30A TOWING Trailer stop/turn lights
  • 27 Fuse MINI — SHORT PIN No circuit
  • 28 Fuse MINI 10A RAD NO.1 Audio system
  • 29 Fuse MINI 7.5A AM2 Starter system
  • 30 Fuse MINI 7.5A MAYDAY Safety connect
  • 31 Fuse MINI 30A AMP Audio system
  • 32 Fuse MINI 50A ABS NO.1 ABS, VSC
  • 33 Fuse MINI 30A ABS NO.2 ABS, VSC
  • 34 Fuse MINI 50A AIR PMP Multiport fuel injection system/sequential multiport fuel injection system
  • 35 Fuse MINI 10A DOME Interior lights, vanity lights
  • 36 Fuse MINI 10A ECU-B Multiplex communication system, meter and gauge
  • 37 Fuse MINI 10A H-LP RH-LO Right-hand headlight (low beam)
  • 38 Fuse MINI 10A H-LP LH-LO Left-hand headlight (low beam)
  • 39 Fuse MINI 10A INJ Multiport fuel injection system/sequential multiport fuel injection system
  • 40 Fuse MINI 7.5A EFI NO.2 Multiport fuel injection system/sequential multiport fuel injection system
  • 41 Fuse MINI 140A ALT HTR, 400W INV, A/C COMP, TOWING TAIL, SUB BATT, MIR HTR, DEF, DEICER, STOP, PTC HTR NO.1, PTC HTR NO.2, PTC HTR NO.3, S/HTR FR, ACC, P/OUTLET, IG1, ECU-IG NO.1, ECU-IG NO.2, WIP, WASHER, KDSS, 4WD, BKUP LP, TOWING BKUP, DOOR P, DOOR RL, DOOR RR, DOOR D, P/SEAT FL, P/SEAT FR, DOOR, A/C, OBD, DOOR BACK, S/ROOF, PANEL, TAIL, FOG FR, D/L NO.2 fuses, AIR PMP HTR
  • 42 Fuse MINI 10A SPARE —
  • 43 Fuse MINI 15A SPARE —
  • 44 Fuse MINI 20A SPARE —
  • 45 Fuse MINI 80A P/I-B IG2, EFI, A/F, HORN fuses
  • 46 Fuse MINI 10A SECURITY Multiport fuel injection system/sequential multiport fuel injection system
  • 47 Fuse MINI 7.5A SMART Smart key system
  • 48 Fuse MINI 20A STRG LOCK Steering lock system
  • 49 Fuse MINI 30A TOWING BRK Trailer brake controller

For 2018–present models (5th gen facelifts), layouts are very similar to 2010–2017, with minor additions like updated telematics fuses (e.g., DCM or MAYDAY for safety connect). The engine bay has two unmarked 10A fuses in some 2020+ units; the overall scheme remains consistent, focusing on towing, 4WD, and safety systems.

Quick Tips for 4Runner Owners

  • Keep spare fuses (7.5A, 10A, 15A, 20A, 30A) in the glovebox.
  • For towing models, check TOWING TAIL and TOWING BRK fuses before trips.
  • If a fuse blows repeatedly, inspect for shorts — common in older gens from wiring chafing.
  • Use a multimeter or test light to check fuses; replace with OEM or quality equivalents.

This guide equips you to troubleshoot electrical issues across any 4Runner generation. Regular inspections prevent small problems from becoming big ones, keeping your SUV reliable for off-road adventures or daily driving.

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