Mitsubishi Montero (Pajero) 3 fuse and relay

The 3rd generation Mitsubishi Pajero was produced in 1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006. During this time, the model has been restyled. In some countries it is known as Mitsubishi Montero 3 or Mitsubishi Shogun . In our material we will show the general arrangement of electronic control units, describe in detail the fuses and relays of Mitsubishi Montero 3 with box diagrams and photo examples of execution. Let’s highlight the fuse responsible for the cigarette lighter.

Mitsubishi Pajero 3

In the presented material and your Mitsubishi Pajero (Montero) 3, a difference is possible, which depends on the region of delivery and the level of equipment. Check the purpose with your diagrams on the back of the protective cover.

Blocks locations

General layout of control units

General arrangement of blocks


1Temperature sensor of the air supplied from the ventilation grill of the dashboard
2Intake air temperature sensor (air conditioning / heater)
4Air conditioner / heater fan motor control unit (manual temperature control)
5Air Conditioner / Heater Fan Control Unit – Rear
6Sunlight sensor (air conditioning system)
7Antenna unit
8Crash sensor (airbag), front left
9Crash sensor (airbag), right front
10Side impact sensor, on the driver’s side – under the front seat
11Side impact sensor, passenger side – under the front seat
12Accumulator battery
13Diagnostic connector (DLC) 1 – 2.5D (4D56) (2002 ^)
14Diagnostic connector (DLC) 1 – 3.5 (6G74) / 3.2D (4M41)
15Diagnostic connector (DLC) 2 – 2.5D (4D56) (2002 ^)
16Diagnostic connector (DLC) 2 – 3.5 (6G74) / 3.2D (4M41)
17Differential lock control unit – rear
19Coolant heater relay 1
20Engine oil level sensor relay
21Engine oil level sensor
22Electronic control unit 4WD
23Fuse / relay box, engine compartment 1
24Fuse / relay box, engine compartment 2
25Fuse / relay box, engine compartment 3
26Fuse / relay box, engine compartment 4
27Fuse / relay box dashboard
28Heater blower motor resistor
29Heater outlet temperature sensor – rear
30Heater radiator temperature sensor
31Horn 1 – behind the front bumper
32Horn 2 – behind the front bumper
33Electronic immobilizer control unit
34Immobilizer Control Unit – 2.5D (4D56T)
40Transfer case control unit
41Electronic gearbox control unit

Passenger compartment fuse box

Located under the dashboard on the driver’s side.

Block in the cabin


Photo example of a block in the cabin of Pajero 3


Scheme from the cover


Block diagram in the cabin


115A Glass rear window cleaner
310A Radio, Audio
415A Cigarette lighter
510A Air conditioning system, ABS system, emergency braking system, fuel filter heater, windshield heater, multifunction control unit 1, transfer case control unit
610A Cruise control system, exhaust gas recirculation (EGR) system, instrument cluster, immobilizer 2 ^ (4D56T), differential lock control unit, 4WD electronic control unit, SRS system, throttle valve solenoid valve, vehicle speed sensor
720A Engine control
810A Reversing lights
910A Rear fog lamp
1020A Central locking
1130A Heated rear window
1230A Heater
1320A Roof hatch
1410A ABS
1520A Heated seat
1610A Heated mirrors

The fuse number 4, 15A, is responsible for the cigarette lighter. The fuse in the block under the hood is also responsible for the cigarette lighter.


  1. Rear fog lamp relay
  2. Relay for electric drive glass lifts
  3. Generator relay
  4. Heater Blower Motor Relay – Rear A / C
  5. Heated rear window relay
  6. Heater Blower Motor Relay – Front A / C
  7. Relay for auxiliary ignition circuits

Engine compartment fuses and relays boxes

Main fuse box

The main fuse and relay box is located next to the battery.

Block under the hood


Block diagram of the main unit under the hood


R1A / C Condenser Fan Motor Relay – High Speed
R2Horn relay
R3A / C Condenser Fan Motor Relay – Low Speed
R4Multi-functional control unit 1
R5Heated windshield relay – windshield wipers
R6A / C compressor electromagnetic clutch relay
1120A Engine compartment fuse / relay box 1, fog lights, headlights, taillights (2001), multi-function control unit 1 (2002 ^)
260A Fuse / relay box, engine compartment 1
340A Ignition lock
440A Electric seat, electric glass lifters
520A Engine management
620A Engine management
815A Optional equipment
925A Fuel filter heater
1025A Air conditioner
1120A Air conditioner
1215A Heated windshield relay – Windshield wipers
1420A automatic transmission
1510A Alternator, central locking, turn signals / hazard warning lights
1615A Anti lock brake system (ABS), brake lights
1710A Audio system, cigarette lighter , clock
1810A Air conditioning, audio system, central locking, clock, ESP electronic control unit, interior lamps, multifunction control unit 1, transfer case control unit
1910A Air conditioner
2020A Fog lights
2110A Buzzer
2220A Windshield wiper / washer
2310A Engine management system, tail lamp (right)
2410A Lamp, rear left
2510A Low beam lamp (left)
2610A Low beam lamp (right)
2710A High beam lamp (left)
2810A High beam lamp (right)
3040A Coolant Heater

The fuse number 17, 10A, is responsible for additional cigarette lighter sockets.

Relay box


Relay block diagram under the hood


  1. Fuel boost pump relay
  2. Injector relay
  3. System relay (emergency braking)
  4. Reserve
  5. Engine control relay
  6. Throttle control unit relay
  7. Reserve

Individual elements of fuses and relays can be installed outside these units, for example, a pump motor relay or an ABS emergency braking system. Also, high power fuses can be located on the positive terminal of the battery: 40 / 60A – ABS and 80A – Glow plugs.

Want to help complete the material? We welcome your comments.

Comments 1

  • Dear mr, mrs,
    I own a Mitsubishi Montero GLS, model V66W MNXFL, Engine 4M40, Diesel from 2002. I have starting problems and can’t locate my “starter relay”. Can any please help me out?
    Thanks a lot.

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