Fuses and relays Mitsubishi Pajero (Montero) 3, 1999 - 2006

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 under the name Montero 3. In our material, we will show the general arrangement of electronic control units, describe in detail the fuses and relays of Pajero / Montero 3 with block diagrams and photo examples of execution. Let's highlight the fuse responsible for the cigarette lighter.

In the presented material and your 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.

Block arrangement

General layout of control units

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

In the passenger compartment

Located under the dashboard on the driver's side.

Photo - example

Diagram from the cover.

Amps / Description
1 15A Glass rear window cleaner
2 Reserve
3 10A Radio, Audio
4 15A Cigarette lighter
5 10A Air conditioning system, ABS system, emergency braking system, fuel filter heater, windshield heater, multifunction control unit 1, transfer case control unit
6 10A 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
7 20A Engine control
8 10A Reversing lights
9 10A Rear fog lamp
10 20A Central locking
11 30A Heated rear window
12 30A Heater
13 20A Roof hatch
14 10A ABS
15 20A Heated seat
16 10A Heated mirrors
17 Reserve
18 Reserve
19 Reserve
20 Reserve

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.

Relay decoding

  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

Under the hood

Main box

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

R1 A / C Condenser Fan Motor Relay - High Speed
R2 Horn relay
R3 A / C Condenser Fan Motor Relay - Low Speed
R4 Multi-functional control unit 1
R5 Heated windshield relay - windshield wipers
R6 Air conditioning compressor electromagnetic clutch relay
R7 Reserve
1 120A Engine compartment fuse / relay box 1, fog lights, headlights, tail lights (2001), multi-function control unit 1 (2002 ^)
2 60A Fuse / relay box, engine compartment 1
3 40A Ignition lock
4 40A Electric seat, electric glass lifters
5 20A Engine management
6 20A Engine management
7 -
8 15A Optional equipment
9 25A Fuel filter heater
10 25A Air conditioner
11 20A Air conditioner
12 15A Heated windshield relay - Windshield wipers
13 -
14 20A automatic transmission
15 10A Alternator, central locking, turn signals / hazard warning lights
16 15A Anti lock brake system (ABS), brake lights
17 10A Audio system, cigarette lighter , clock
18 10A Air conditioning, audio system, central locking, clock, ESP electronic control unit, interior lamps, multifunction control unit 1, transfer case control unit
19 10A Air conditioner
20 20A Fog lights
21 10A Buzzer
22 20A Windshield wiper / washer
23 10A Engine management system, tail lamp (right)
24 10A Lamp, rear left
25 10A Low beam (left)
26 10A Low beam lamp (right)
27 10A High beam lamp (left)
28 10A High beam lamp (right)
29 Reserve
30 40A Coolant Heater

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

Block with relay


Relay block diagram under the hood


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

Separate 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.

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dave ware

hope this will save my pajero

dave ware

the power was put on backwards!!!!! now i have nothing working car will turn over but not fire up, hoping the computer is not blown? Dose anyone know can i just get another computer will it go in my car??$1000.00 later i am not any futher. Now i will check every fuse in the car i can find and cross it off the list?

Any body know some thing i could use cheers guys and girls

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