The Mitsubishi Pajero Sport is a mid-size SUV manufactured by Japanese automaker Mitsubishi, which debuted in 1996. Built on the L200 pickup truck platform, it is marketed as the Challenger in Japan and as the Montero Sport in the U.S. market. This article provides detailed fuse box diagrams for the third-generation Mitsubishi Montero Sport / Pajero Sport 3 / Challenger 3 (chassis codes KR / KS; SP platform; model years 2016, 2017, 2018, 2019, 2020, and 2021).
Below are the locations, diagrams, and photos for the power distribution centers. Fuses assigned to the "Cigarette Lighter" and "Fuel Pump" circuits are highlighted in bold.
Engine Compartment Fuse Box
Located on the left side of the engine bay, adjacent to the battery. Remove the protective cover to access the fuse block.
| Diagram | ||
|---|---|---|
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| No. | Description | Rating (A) |
| A-202X | A/C condenser fan relay | |
| A-203X | Headlight washer relay | |
| A-204X | Horn relay | |
| A-205X | Headlight high-beam relay | |
| A-206X | Headlight low-beam relay | |
| A-207X | Engine control relay | |
| A-208X | Power window relay | |
| A-209X | Throttle actuator control relay <4G6, 6B3> | |
| A-210X | Daytime running light (DRL) relay | |
| A-211X | Rear blower motor relay | |
| A-212X | A/C compressor clutch relay | |
| A-213X | Starter relay | |
| A-214X | Front fog lamp relay | |
| SBF1 | Fuse F5, ACC relay circuit, ETACS-ECU (tail lamp relay circuit), IG1 relay circuit, IG2 relay circuit, ignition switch, and starter circuit | 40 |
| SBF2 | Power window main switch and power window motor circuits | 30 |
| SBF3 | Power seat (front passenger side) | 40 |
| SBF4 | ABS-ECU and ASTC-ECU | 30 |
| SBF5 | Electric parking brake (EPB) | 30 |
| BF1 | Audio amplifier | 30 |
| BF2 | Rear blower motor | 40 |
| BF3 | Spare | - |
| BF4 | Spare | - |
| BF5 | Spare | - |
| F1 | Spare | - |
| F2 | Mass air flow (MAF) sensor <6B3, 4N1>, camshaft position (CMP) sensor <6B3>, crankshaft position (CKP) sensor <6B3>, EGR cooler bypass valve solenoid <4N1>, Engine-ECU, EGR valve <6B3>, glow plug control module <4N1>, glow plug relay <4D5>, fuel injectors <6B3>, oil control valve (OCV) <6B3, 4N1>, heated oxygen sensor (HO2S), EVAP purge control valve <4N1>, throttle actuator control relay <4N1>, and variable geometry turbocharger (VGT) control solenoid <4N1> | 20 |
| F3 | Fuel pump module assembly <6B3> | 15 |
| F4 | Spare | - |
| F5 | Engine-ECU <6B3> | 7.5 |
| F6 | Engine-ECU <6B3> | 15 |
| F7 | A/C compressor magnetic clutch assembly | 20 |
| F8 | Transmission control module (TCM) | 20 |
| F9 | Daytime running lights (DRL), DRL relay, and headlight assembly (DRL circuit) | 10 |
| F10 | Generator / Alternator | 7.5 |
| F11 | Engine-ECU | 7.5 |
| F12 | Electronic steering column lock, ignition switch, and KOS & OSS-ECU | 10 |
| F13 | Front fog lamp relay circuits | 15 |
| F14 | Headlight assembly (High Beam: Left-Hand) | 10 |
| F15 | Headlight assembly (High Beam: Right-Hand) and trailer harness connector | 10 |
| F16 | Headlight assembly and manual headlight leveling switch | 15 |
| F17 | Headlight assembly (Right-Hand) | 15 |
| F18 | Heated steering wheel control module | 15 |
| F19 | ETACS-ECU (FET turn signal lamp circuit) | 15 |
| F20 | Spare | - |
| F21 | A/C condenser fan motor | 20 |
| F22 | Stop lamp (brake light) relay | 15 |
| F23 | Transfer case ECU | 20 |
| F24 | Heated seat control unit | 20 |
| F25 | Headlight washer motor and headlight washer relay | 20 |
| F26 | Spare | - |
| F27 | Horn and horn relay | 10 |
| F28 | Spare | - |
| F29 | Spare | - |
A primary high-current fusible link block is mounted directly onto the battery's positive terminal.
Passenger Compartment Fuse Box
LHD Models: Located on the driver's side at the lower section of the instrument panel, behind the access cover.
RHD Models: Located behind the glove box. To access: Open the glove box, press inward on both side walls to disengage the retaining stoppers (A), lower the assembly, detach the damper stay (B), and remove the glove box.
General overview of the Pajero Sport / Montero Sport cabin fuse box unit.
| Diagram | ||
|---|---|---|
|
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| No. | Description | Rating (A) |
| R1 | Seat heater relay | |
| R2 | Auxiliary power outlet relay | |
| R3 | Rear fog lamp relay | |
| R4 | Fuel pump relay | |
| R5 | Blower motor relay | |
| R6 | Rear window defogger relay | |
| R7 | Spare | |
| 1 | Parking lamps (Left) | 7.5 |
| 2 | Pajero Sport / Montero Sport cigarette lighter fuse | 15 |
| 3 | Ignition coils | 10 |
| 4 | Starter signal | 7.5 |
| 5 | Starter system | 20 |
| 6 | Auxiliary power outlet | 15 |
| 7 | Tail lamps (Right), A/C-ECU, ASC OFF switch, Blind Spot Warning (BSW) switch, instrument cluster, drive mode selector, electric parking brake switch | 7.5 |
| 8 | Power door mirrors | 7.5 |
| 9 | Engine-ECU and fuel pump relay | 7.5 |
| 10 | Body control module / System ECU | 7.5 |
| 11 | Rear fog lamp | 10 |
| 12 | Central power door locking, Data Link Connector (OBD-II port) | 15 |
| 13 | A/C-ECU, camera module ECU, center dome light, steering column combination switch, instrument cluster, door courtesy lamps, electric parking brake switch, front interior lamp, gateway control module, key illumination ring, KOS & OSS-ECU, auto-light sensor, luggage compartment lamp, multi-information display, audio unit, and rear seat display unit | 10 |
| 14 | Rear window wiper motor | 15 |
| 15 | Instrument panel, Blind Spot Warning (BSW) sensor, sunroof control module, steering column switch | 7.5 |
| 16 | A/C compressor relay, A/C condenser fan relay, blower motor relay, heater control unit, rear blower motor relay, rear A/C control panel, rear blower switch, and rear window defogger relay | 7.5 |
| 17 | Heated seats | 20 |
| 18 | Auxiliary power socket, heater control unit assembly | 10 |
| 19 | Heated exterior mirrors | 7.5 |
| 20 | Windshield wipers | 20 |
| 21 | Reverse lamps, transmission control module (TCM), ETACS-ECU, multi-information display, audio unit, rear combination lamps, auto-dimming rearview mirror, and SRS airbag control module | 7.5 |
| 22 | Heated rear window, Fuse 19, glass antenna noise filter, and rear window defogger grid | 30 |
| 23 | Heater blower motor relay | 30 |
| 24 | Power seats | 40 |
| 25 | Audio system, accessory power outlet relay, ETACS-ECU, multi-information display, head unit, and rear entertainment display | 10 |
| 26 | Fuse 13 feed and ETACS-ECU | 15 |
This has been very helpful, particularly the relay designations. Thank you.