Mitsubishi Montero Sport 3 (Pajero) fuse and relay

The 3rd generation Mitsubishi Pajero Sport was produced in 2016, 2017, 2018, 2019, 2020, 2021. In some countries of the world it is also known under the names Montero Sport 3 / Challenger 3. In this publication you will find a description of fuses and relays of the 3rd generation Mitsubishi Pajero Sport with box diagrams and photos – examples of execution. Note the cigarette lighter fuse. 

Pajero sport 3

Check the purpose of the elements with your diagrams. Depending on the equipment level, there may be differences in the material shown and in your design of the boxes.

Passenger compartment fuse box

Located in the lower part of the dashboard on the driver’s side behind the protective cover.


Mitsubishi Pajero Sport 2 block in salon


Block diagram in the cabin


17.5A Parking lights (left)
215A Cigarette lighter
310A Ignition coil
47.5A Starter
520A Roof hatch
615A Socket, Accessory Socket
77.5A Side lights (RH), A / C ECU, ASC OFF switch, Blind spot warning switch, Combination counter, Drive mode switch, Electric parking brake switch
87.5A Exterior mirrors
97.5A engine ECU and fuel pump relay
107.5A Control unit
1110A Rear fog lamp
1215A Central locking, diagnostic socket
1310A A / C ECU, Camera ECU, Center Light, Column Switch, Combination Gauge, Door Lamp, Electric Parking Brake Switch, Front Interior Light, Gateway, Key Reminder (ILL) Switch, KOS and OSS ECUs , light control sensor, luggage compartment lamp, multi-display, radio / CD player and rear display
1415A Glass rear window cleaner
157.5A Instrument panel, blind spot warning sensor, clearance warning control unit, steering column switch
167.5A A / C Compressor Relay, A / C Condenser Fan Relay, Fan Relay, Heater Controller, Rear Fan Relay, Rear Cooler Control Panel, Rear Fan Switch and Heated Rear Window Relay
1720A Heated seat
1810A Accessory Power, Heater Controller Assembly
197.5A Exterior mirrors heated
2020A Wipers
217.5A Reversing lights, Automatic gearbox control unit, ETACS control unit, multifunction display, radio / CD player, rear combination lamp (rear), rearview mirror assembly and SRS control unit
2230A Heated rear window, Fuse # 19, glass antenna choke coil and rear window heater
2330A Heater fan motor relay
2440A Power Seats
2510A Audio System, Accessory Socket Relay, ETACS-ECU, Multi Display, Radio / CD Player and Rear Display
2615A Fuse No. 13 and ETACS-ECU

The fuses numbered 2 and 6, as well as the relay numbered 2, are responsible for the operation of the cigarette lighter and power outlets.


  • R1 – Seat heating relay
  • R2 – Power relay for sockets of additional equipment
  • R3 – Rear fog lamp relay
  • R4 – Fuel pump relay
  • R5 – Fan relay
  • R6 – Rear window defogger relay
  • R7 – Reserve

Engine compartment fuse box

Located on the left side of the engine compartment, near the battery.

Block under the hood

the photo

Block under the hood


Block diagram under the hood

Protected components

SBF140A Fuse # F5, ACC relay circuit, ETACS – ECU (rear light relay circuit), IG1 relay circuit, IG2 relay circuit, ignition switch circuit and starter
SBF230A Main switch of electric glass hoist and electric motor glass hoist
SBF340A Power seat (front passenger side)
SBF530A Electric parking brake
BF130A Audio amplifier
BF240A Rear fan motor
F220A Mass air flow sensor <6B3, 4N1>, camshaft position sensor <6B3>, crankshaft angle sensor <6B3>, EGR cooler bypass solenoid valve <4N1>, engine ECU, EGR valve <6B3>, glow plug control < 4N1>, Glow Plug Relay <4D5>, Injector <6B3>, Oil Feeder Control Valve <6B3, 4N1>, Oxygen Sensor, Purge Control Solenoid <4N1>, Throttle Control Servo Relay <4N1> and Variable Geometry Control Solenoid <4N1>
F315A Fuel pump and sensor assembly <6B3>
F57.5A Engine ECU <6B3>
F615A Engine ECU <6B3>
F720A A / C compressor and clutch assembly
F820A Automatic transmission control unit
F910A Daytime running light, daytime running light relay and headlamp assembly (DRL)
F107.5A Generator
F117,5А Engine – ECU
F1210A Electric steering lock, engine switch and KOS & OSS-ECU
F1315A Front fog lamp relay and front fog lamp relay
F1410A Headlamp assy (HI: LH)
F1510A Headlight assembly (HI: RH) and spare connector (for trailer)
F1615A Headlamp assembly and manual headlamp leveling switch
F1715A Headlamp assy (right)
F1815A Heated steering wheel ECU
F1915A ETACS-ECU (FET turn signal lamp)
F2120A Air conditioner condenser fan motor
F2215A Brake light relay
F2320A Transfer – ECU
F2420A Seat heating control unit
F2520A Headlight washer motor and headlight washer relay
F2710A Horn and horn relay


A-202XA / C condenser fan relay
A-203XHeadlight washer relay
A-204XHorn relay
A-205XHeadlight relay (HI)
A-206XHeadlight relay (LO)
A-207XEngine control relay
A-208XRelay glass lifter
A-209XThrottle control servo relay <4G6, 6B3>
A-210XDaytime running light relay
A-211XRear fan relay
A-212XA / C compressor relay
A-213XStarter relay
A-214XFront fog lamp relay

On the positive terminal of the storage battery, there is also a high-power fuse box made in the form of fusible links.

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