Toyota Land Cruiser 300 (2021 – 2026) Fuse and Relay

Toyota Land Cruiser 300 represents the 3rd generation of the Land Cruiser model range which was produced in 2021, 2022, 2023, 2024, 2025, 2026. In this post we will present a description of fuses and relays Toyota Land Cruiser 300 with fuse box diagrams, their locations and photo examples of performance. We will highlight the fuse responsible for the cigarette lighter.

Toyota Land Cruiser 300

Fuse and relay assignments may differ from those shown and depend on the year of manufacture and region of delivery of your vehicle.

Passenger compartment

In the passenger compartment, the main fuse box is located under the panel on the right-hand side and is covered with a protective cover.

Location

Diagram

Diagram

Assignment

A/BAG-IGR10A SRS
BKUP LP7.5A Audio system, reversing monitoring system, reversing light, Cruise control, ECT and A/T indicator, Engine management, Navigation system, Rear view monitoring system, Gearshift lock, Stop and start system, Trailer towing
D/L30A Adaptive high beam system, Automatic high beam, Automatic light control, Rear door opener, Door lock control, Dual locking, Entry and start system, Front fog lights, Front wiper and washer, Headlamps, Headlamp level control, Headlamp cleaner, Lighting, Immobiliser system, Interior lighting, Automatic light switch-off system, Light reminder, Option connector, Electric tailgate, Electric tilt and telescopic actuator, Electric ste
DOME10A Interior Light
DOME CUT10A Interior Light
DOOR BACK10A Power Supply
DOOR DBL/L25A Double locking
DOOR F/L30A Rear door opener, door lock control, start and entry system, immobiliser, interior light, heated mirrors, power windows, rear window defogger, remote control mirror, start, steering wheel lock, theft protection, washer nozzle heater, wireless door lock control
DOOR F/R30A Rear door opener, door lock control, entry and start system, immobiliser, interior light, heated mirrors, power windows, rear window defroster, remote control mirror, start, steering wheel lock, theft protection, washer nozzle heater, wireless door lock control
DOOR R/L30A Electric window
DOOR R/R30A Power windows
ECU-ACC10A Active noise isolator, air conditioning, audio system, rear view monitoring system, heated steering wheel, heated windscreen, heated mirrors, multifunction monitor, multiplex communication system (CAN), navigation system, auxiliary connector (rear seat entertainment), panoramic view monitoring system, power outlet, rear view monitoring system, rear window defroster, remote control mirror, stop and start system, washer nozzle heater, windscreen wiper, wireless charging system
ECU-B NO.17.5A Rear door opener, door lock control, entry and start system, immobiliser, start, steering wheel lock, anti-theft, wireless door lock control
ECU-B NO.210A Rear door opener, door lock control, entry and start system, immobiliser, multiplex communication system (CAN), electric tailgate, start, steering lock, anti-theft protection, tyre pressure warning system, wireless door lock control
ECU-B NO.310A Adaptive high beam system, air conditioning, audio system, automatic high beam system, automatic light control, reversing warning system, climate control seats, headlights, headlight beam level control, heated steering wheel, heated windshield, automatic light off system, light reminder, heated mirrors, multi-channel monitor, navigation system, option socket, panoramic view system, electric glass, rear window defogger, heated seats, heated washer nozzles, windshield wiper, wireless charging system
ECU-B NO.47.5A Adaptive high beam system, automatic high beam system, automatic light control, dynamic radar cruise control, front fog lights, front wiper and washer, headlights, headlight beam level control, headlight cleaner, lighting, lane departure warning, lane keeping assist system, automatic light off system, Light reminder, Pre-collision system, Rear fog lamps, Rear wiper and washer, Tail lamp, Trailer tow, Direction indicator and hazard warning lamp
ECU-DCC NO.110A Rear lid release, Blind spot monitoring system, Combination meter, Door lock control, Entry and start system, Immobilizer, Interior light, Heated mirrors, Multi-track monitor, Panoramic view system, Parking assist braking system, Power seats, Power tilt and telescopic, Rear window defroster, Remote control mirror, Start, Steering wheel lock, Theft deterrent, TOYOTA parking sensor system, Washer nozzle defroster, Wireless door lock control
ECU-DCC NO.210A Adaptive high beam system, Audio system, Automatic high beam system, Automatic light control, Rear lid release, Rear view monitor system, Cool box, Door lock control, Double Locking, Entry & Start System, Front Fog Light, Front Wiper & Washer, Headlight, Headlight Beam Leveling Control, Headlight Cleaner, Lighting, Immobilizer System, Interior Light, Automatic Light Off System, Light Reminder, Navigation System, Option Socket, Option Socket (Rear Seat Entertainment), Electric Tailgate, Electric Tilt & Telescope, Electric Window, Rear Fog Light, Reversing Monitor System, Rear Wiper & Washer, Remote Control Mirror, Sliding Roof, Start, Steering Lock, Stop & Start System, Tail Light, Theft Deterrent, Tire Pressure Warning System, Wireless Door Lock Control
ECU-IGR NO.110A 4WD, A-TRC, ABS, Adaptive adjustable suspension, Air conditioning, Crawl, Cruise control, Downhill assist, Dynamic radar cruise control, ECT and A/T indicator, Electric parking brake, Electric tension reducer, Electronic kinetic dynamic suspension system, Engine management, Front wiper and washer, Heated steering wheel, Hill start assist, Lane Departure Warning System, Lane Keeping Assist, Lane Keeping Assist System, Lane Keeping Control System, Lane Keeping Select System, Panoramic View Control System, Electric tailgate, Electric seats, Electric steering wheel, Collision Avoidance System, Rear wiper and washer, Gearshift lock, Integrated Vehicle Dynamics Control, VSC
ECU-IGR NO.210A Adaptive High Beam System, Air Conditioning, Audio System, EC Automatic Anti-glare Mirror, Automatic High Beam System, Automatic Light Control, Rear Door Opener, Rear Cross Traffic Control, Blind Spot Monitor, Seat Climate Control, Combination Meter, Cooling Fan, Cruise Control, Door Lock Control, Dual Locking, ECT and A/T indicator, Engine management, Entry and start system, Front fog lamps, Front wiper and washer, Headlamps, Headlamp level control, Headlamp cleaner, Heated steering wheel, Heated windscreen, Lighting, Immobiliser, Interior lighting, Auto light-off system, Light reminder, Heated mirrors, Multifunction monitor, Multiplex Communication System (CAN), Navigation System, Option Connector, Panoramic View System, Parking Assist Braking System, Power Rear Door, Power Tilt and Telescopic, Power Windows, Rear Fog Light, Rear View Monitoring System, Rear Window Defogger, Rear Wiper and Washer, Remote Control Mirror, Seat Heating, Gearshift Lock, Sliding Roof, Engine Start, Steering Wheel Lock, Stop & Start, Headlight Illumination System, Telematics System, Anti-theft, Tyre Pressure Warning System, TOYOTA Parking Assist-Sensor System, Washer Nozzle Heater, Windshield Defroster, Wireless Door Locking Controls
ECU-IGR NO.310A A-TRC, ABS, Adaptive High Beam System, Automatic High Beam System, Automatic Light Control, Crawl, Downhill Assist Control, Dynamic Radar Cruise Control, Electric Parking Brake, Front Fog Light, Front Wiper and Washer, Headlight, Headlight Level Control, Headlight Cleaner, Hill Start Assist Control, Lighting, Lane Departure Warning, Lane Keeping Assist, Automatic Light Off System, Light Reminder, Multi-Road Select, Collision Avoidance System, Rear Fog Light, Rear Wiper and Washer, Rear Light, Trailer Towing, Turn Signal Indicator and Danger Warning, Integrated Vehicle Dynamics Control, VSC
ECU-IGR NO.410A A-TRC, ABS, Adaptive High Beam System, Automatic High Beam System, Automatic Light Control, Crawl, Downhill Assist Control, Dynamic Radar Cruise Control, Electric Parking Brake, Front Fog Light, Front Wiper and Washer, Headlight, Headlight Level Control, Headlight Cleaner, Hill Start Assist Control, Lighting, Lane Departure Warning, Lane Keeping Assist, Automatic Light Off System, Light Reminder, Multi-Road Select, Collision Avoidance System, Rear Fog Light, Rear Wiper and Washer, Rear Light, Trailer Towing, Turn Signal Indicator and Danger Warning, Integrated Vehicle Dynamics Control, VSC
ECU-IGR NO.510A Stop and start system
EPS-IGR5A Power steering
HAZ15A Rear door opener, combination meter, door lock control, entry and start system, immobiliser system, start, steering wheel lock, anti-theft protection, trailer towing, direction indicators and hazard warning lights, wireless door lock control
HTR50A Air conditioning, steering wheel heating system
METER-IGR5A 4WD, A-TRC, ABS, Adaptive High Beam System, Adaptive Variable Suspension, Air Conditioning, Audio System, Automatic High Beam System, Automatic Light Control, Rear Door Opener, Rear Cross Traffic Control, Blind Spot Monitor, Charging, Combination Meter, Cooling Fan, Slider, Cruise Control, Door Lock Control, Hill Descent Control, Dynamic Radar Cruise Control, ECT and A/T indicator, Electric Parking Brake, Electronic Kinetic Dynamic Suspension, Engine Control, Entry and Start System, Front Fog Lights, Headlights, Headlight Level Control, Heated Steering Wheel, Hill Start Assist, Lighting, Immobiliser, Lane Departure Warning, Lane Keeping Assist, Automatic Light Off System, Light Reminder, Drive Mode Select, Navigation System, Parking Assist Braking System, Power Steering, Collision Avoidance System, Rear Fog Light, Rear View Monitor, Seatbelt Warning, Gearshift Interlock, Sliding Roof, SRS, Starting, Steering Wheel Lock, Headlights, Theft Prevention, Tyre Pressure Warning System, TOYOTA Sensor Parking Assist System, Trailer Towing, Turn Signal and Hazard Warning, Integrated Vehicle Dynamics Control, VSC, Wireless Door Locking Control, and Vehicle Dynamics Control.
OBD7.5A DLC3, Diagnostic Connector
P/OUTLET NO.115A Socket, Cigarette Lighter
P/SEAT F/L30A Left-hand power seat
P/SEAT F/R30A Right-hand power seat
RADIO-DCC10A Active noise isolator
S/ROOF30A Sliding roof
SFT LOCK-ACC5A Power supply
SMART7.5A Rear door opener, Door lock control, Entry and start system, Immobiliser, Start, Steering wheel lock, Theft protection, Wireless door lock control
STOP10A Cooling fan, Cruise control, Dynamic radar cruise control, ECT and A/T indicator, Engine management, Lane departure warning, Lane keeping assist, Collision avoidance system, Gear shift lock, Engine stop and start system, Stop lamp, Trailer towing
STRG LOCK15A Rear door opener, Door lock control, Entry and start system, Immobiliser, Start, Steering wheel lock, Theft protection, Wireless door lock control
TI&TE30A Tilt and telescopic booster
USB NO.17.5A Power outlet
USB NO.47.5A Power socket
WIPER RR15A Front wiper and washer, Rear wiper and washer

A 15A fuse labelled P/OUTLET NO.1 is responsible for the operation of the cigarette lighter. Another fuse is located in a block under the bonnet.

There are additional fuses on the side of the block.

Diagram

Diagram 1

Designation

  1. 30A P/SEAT F/R – Right-hand power seat
  2. 30A P/SEAT F/L – Left-hand power seat
  3. 30A S/ROOF – Sunroof
  4. 50A HTR – Heater

Engine compartment

Fuse Box 1

Location

Location 1

Match the element assignments to your schematics on the block cover.

Diagram from covery

Covery

Allocation

4WD-IGR30A 4WD
A/C RR50A Air conditioning, steering wheel heating system
ABS MAIN NO.1 (Gasoline)20A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Vehicle Dynamics Integrated Management, VSC
ABS NO.2 (Gasoline)50A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Vehicle Dynamics Integrated Management, VSC
AC INV15A Socket
ACC NO.240A Power supply
AHC60A Power supply
ALT150A Charging
ALT240A Charging
ALT CDS10A Charging
AMP NO.130A Audio system, rear view monitoring system, navigation system
AVS-IGR15A Adaptive adjustable suspension
BATT-S NO.17.5A Cooling fan, cruise control, engine management
BATT-S NO.210A Charging, Cooling fan, Cruise control, Engine management
CDS FAN30A Air conditioning, steering wheel heating system
D/C CUT30A Power supply
DCM7,5A Telematics system
DEICER15A Heated windscreen defroster, windscreen defroster
ECU-B NO.730A Power supply
ECU-IGP NO.110A Power supply
ECU-IGP NO.210A Air conditioner, ECT and A/T indicator, Heated steering wheel, Gear shift lock
ECU-IGP NO.310A Active noise control, air conditioning, seat climate control, refrigerator, cooling fan, cruise control, dynamic radar cruise control, ECT and A/T indicator, engine management, heated steering wheel, lane departure warning, lane keep assist, multiplexed communication system (CAN), collision avoidance system, heated seats, shift lock, stop & start system
ENG P/I-B80A Adaptive high beam system, Air conditioning, Automatic high beam system, Automatic light control, Front fog lights, Front wiper and washer, Headlights, Headlight level control, Headlight cleaner, Steering wheel heating system, Automatic light switch-off system, Light reminder, Rear fog lights, Rear wiper and washer
ENG-IGR NO.110A Cooling fan, Cruise control, ECT and A/T indicator, Engine management, Gear shift lock
ENG-IGR NO.210A Dynamic radar cruise control, Heated windscreen defroster, Lane departure warning system, Lane keeping assist, Heated mirrors, Power outlet, Collision avoidance system, Rear window defogger, Heated washer nozzles, Windscreen de-icer
ENG-IGR NO.310A Adaptive high beam system, air conditioning, automatic high beam, automatic light control, front fog lights, front wiper and washer, headlights, headlight level control, headlight cleaner, heated steering wheel, automatic light switch-off system, light reminder, rear fog lights, rear wiper and washer, trailer towing, turn signal indicator and hazard warning light
EPS NO.180A Power steering
EPS NO.280A Power supply
H-LP CLN30A Headlight cleaner
HORN15A Horn, tailgate opener, door lock control, entry and start system, klaxon, immobiliser, start, steering wheel lock, anti-theft, wireless door lock control
HWD NO.150A Heated windscreen defroster, windscreen defroster
HWD NO.250A Heated windscreen defroster, heated windscreen defroster, windscreen defroster
IGR NO.230A Power source
METER7.5A 4WD, A-TRC, ABS, Adaptive High Beam System, Adaptive Variable Suspension, Air Conditioning, Audio System, Automatic High Beam System, Automatic Light Control, Rear Door Opener, Rear Cross Traffic Control, Blind Spot Monitor, Charging, Combination Meter, Cooling Fan, Crawler, Cruise Control, Door Lock Control, Hill Descent Control, Dynamic Radar Cruise Control, ECT and A/T indicator, Electric Parking Brake, Electronic-Kinetic Dynamic Suspension, Engine Management, Entry and Start System, Front Fog Light, Headlight, Headlight Level Control, Heated Steering Wheel, Hill Start Assist, Backlight, Immobiliser, Lane Departure Warning System, Lane Keeping Assist, Automatic Light Off System, Light On Reminder, Multi Steering Wheel, Navigation System, Parking Assist Braking System, Power Steering, Collision Avoidance System, Rear Fog Light, Rear View Monitor System, Seatbelt Warning, Shift lock, Sliding sunroof, SRS, Starting, Steering lock, Stop and start system, Reverse headlights, Theft protection, Tyre pressure warning system, TOYOTA touch-screen parking assist system, Trailer towing, Turn signals and hazard warning, Integrated vehicle dynamics control, VSC, Wireless door lock control
P/OUTLET NO.215A Power outlet
PA-BBC50A Active noise isolator, Stop & Start system
PDB-ALT NO.1100A Illumination, Heated mirrors, Rear window defroster, reversing light, Trailer towing, Heated washer nozzles
PDB-ALT NO.2100A Interior light
PDB-ALT NO.2140A Interior light
PDB-B80A Power supply
PTC NO.150A Air conditioning, steering wheel heating system
PTC NO.250A Air conditioning, steering wheel heating system
PTC NO.350A Air conditioner, steering wheel heating system
RADIO15A Air conditioning, Audio system, Rear view monitoring system, Steering wheel heating system, Multicontrol, Navigation system, Panoramic view monitoring system, Rear view monitoring system
RFS LH30A Power seat
RFS RH30A Power source
RR R/B-ALT60A Climate control seat, power tailgate, seat heating
RSE DISP10A Audio system, reversing monitoring system, navigation system
S/HTR FL15A Climate control seat, seat heating
S/HTR FR15A Seat climate control, seat heating
S-HORN10A Rear door opener, door lock control, entry and start system, immobiliser, start, steering wheel lock, anti-theft protection, wireless door lock control
STB-IGR15A Electronic-kinetic dynamic suspension system
STRG HTR15A Air conditioning, steering wheel heating system
SUB BATT40A Trailer towing
TOW BK/UP7.5A Trailer towing
TOW BRK30A Trailer towing
TOW STOP30A Trailer towing
TOW TAIL30A Trailer towing
TOWING30A Trailer towing
USB NO.27.5A Power outlet
WASHER20A Front wiper and washer, rear wiper and washer
WINCH-IGP7.5A Winch
WIPER30A Front wiper and washer, rear wiper and washer

Fuse Box 2

It is installed next to Fuse box 1. It is also covered with a protective cover.

Location fuse box under the hood

Diagram

Diagram 3

Appointment

A/C NO.17.5A Air conditioning, seat climate control, heated steering wheel, heated windscreen defroster, heated seats, windscreen defroster
DCU40A Engine management, power supply
DCU NO.120A Engine management, power supply
DCU NO.220A Engine management, power supply
EFI MAIN NO.225A Engine management, power supply
ENG-IGP NO.210A A-TRC, ABS, Crawl, Downhill Assist Control, ECT and A/T Indicator, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Shift Lock, Vehicle Dynamics Integrated Management, VSC
E-W/P15A Engine management, power supply
FUEL FIL50A Engine management, power supply
GLOW NO.180A Engine management, power supply
GLOW NO.280A Motor control, power supply
NOx FR10A Motor control, power supply
NOx RR10A Motor control, power supply
NOx/PM30A Motor control, power supply
R/B NO.2140A Power supply
VISC HTR7.5A Air conditioning, heated steering wheel, power source

Fuse Box 3

Installed on the left side of the engine compartment.

Petrol

Location 3 petrol

Diagram

Diagram 4 under the hood

Decoding

ABS MAIN NO.1 (Diesel)20A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Vehicle Dynamics Integrated Management, VSC
ABS NO.2 (Diesel)50A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Vehicle Dynamics Integrated Management, VSC
EDU50A Engine Management
EFI MAIN NO.150A Engine management
EFI NO.17.5A Engine management, Stop & Start system
EFI NO.27.5A ECT and A/T indicator, engine management, gearshift interlock
EFI-B NO.125A Engine management
EFI-B NO.225A Engine management
EFI-B NO.310A ECT and A/T indicator, engine management, gearshift lockout

Diesel

Location disel

Diagram

Diagram diesel

Designation

4WD-B7,5A 4WD
A/C NO.17.5A Air conditioning, seat climate control, heated steering wheel, heated windscreen, heated seat, windscreen defroster
A/F10A Engine control, power supply
A/F30A Cooling fan, cruise control, engine management
A/F HTR15A Cruise control, ECT and A/T indicator, engine management, gearshift interlock
A/F NO.110A Cooling fan, cruise control, engine management
A/F NO.210A Cooling fan, cruise control, engine management
ABS MAIN NO.1 (Gasoline)20A A-TRC, ABS, Crawl, hill descent assist, electric parking brake, hill start assist, Multi-Terrain mode selection, integrated vehicle dynamics control, VSC
ABS MAIN NO.210A A-TRC, ABS, Crawl, hill descent assist, electric parking brake, hill start assist, Multi-Terrain mode selection, integrated vehicle dynamics control, VSC
ABS MTR NO.150A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Integrated Vehicle Dynamics Control, VSC.
ABS NO.150A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Integrated Vehicle Dynamics Control, VSC
ABS NO.2 (Gasoline)50A A-TRC, ABS, Crawl, Downhill Assist Control, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Integrated Vehicle Dynamics Control, VSC
AIR PMP50A Cruise control, ECT and automatic transmission indicator, engine management, gearshift interlock
AIR PMP HTR10A Cruise control, ECT and automatic transmission indicator, engine management, gearshift lock.
BBC NO.140A Stop-start system
BBC NO.240A Stop-start system
ECT-B15A ECT and A/T indicator, gearshift interlock
EDU50A Cooling fan, cruise control, engine management
EDU NO.120A Cooling fan, cruise control, engine management
EDU NO.220A Cooling fan, cruise control, engine management
EDU NO.320A Cooling fan, cruise control, engine management
EDU NO.420A Cooling fan, cruise control, engine management
EFI MAIN NO.125A Cruise control, ECT and A/T indicator, engine management, gearshift interlock
EFI MAIN NO.150A Cooling fan, cruise control, engine management
EFI MAIN NO.230A Cooling fan, cruise control, engine management
EFI MAIN NO.325A Cruise control, ECT and A/T indicator, engine management, gearshift interlock
EFI NO.17.5A Cooling fan, cruise control, engine management
EFI NO.27.5A Cooling fan, cruise control, ECT and A/T indicator, engine management, gearshift interlocking
EFI NO.37.5A Stop & Start system
EFI NO.310A Cooling fan, cruise control, ECT and A/T indicator, engine management, gearshift interlocking
EFI NO.415A Engine management, power supply
EFI-B NO.115A Cooling fan, cruise control, engine management
EFI-B NO.120A Cooling fan, cruise control, engine management
EFI-B NO.210A Cruise control, ECT and A/T indicator, engine management, gearshift interlock
EFI-B NO.220A Cooling fan, cruise control, engine management
EFI-B NO.320A Cruise control, ECT and A/T indicator, engine management, gearshift interlock
EFI-B NO.410A Cooling fan, cruise control, engine management
ENG-IGP NO.110A Cooling fan, cruise control, engine management
ENG-IGP NO.210A Cooling fan, cruise control, engine management
ETCS10A Air conditioning, cooling fan, cruise control, ECT and A/T indicator, engine management, heated steering wheel, gearshift lock
FUEL PMP20A A-TRC, ABS, Crawl, Downhill Assist Control, ECT and A/T indicator, Electric Parking Brake, Hill-Start Assist Control, Multi-Terrain Select, Gearshift Lock, Integrated Vehicle Dynamics Control, VSC
FUEL PMP30A Cooling fan, cruise control, ECT and A/T indicator, engine management, gearshift interlock
GRILLE SHUTT7.5A Engine management, power supply, power supply
IGN10A Cruise control, ECT and A/T indicator, engine management, gearshift interlock
IGT/INJ20A Flap grille
INJ10A Cooling fan, cruise control, engine management, ignition switch
ST NO.130A Cooling fan, cruise control, engine management, engine control
ST NO.230A Cooling fan, cruise control, ECT and A/T indicator, engine management, gearshift interlock Interlocking Interlocking

Another power fuse block is mounted on the plus terminal of the battery.

Power fuse box

  • MAIN R/B – 350A Charge
  • SUB R/B-NO.1 – 100A Power Supply
  • SUB R/B-NO.2 – 200A Power Supply

Luggage compartment

Another fuse box can be installed in the luggage compartment on the right side.

Location 4

Diagram

Diagram 5

Assignment

IGP NO.330A Seat climate control, seat heating
PBD30A Electrically operated tailgate
S/HTR RL15A Climate control seat, heated rear left seat
S/HTR RR15A Climate control seat, heated rear right seat

 

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