Fuses and relays Mitsubishi Grandis (NA), 2003–2011

The Mitsubishi Grandis is a minivan produced in 6- and 7-seat configurations by Japanese automaker Mitsubishi Motors. It is equipped with an Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), and Emergency Brake Assist. This article provides detailed fuse box diagrams and relay layouts for the first-generation Mitsubishi Grandis (chassis codes NA4W and NA8W), produced from 2003 to 2011.

Here you will find component locations, photographs, and block diagrams for the power distribution boxes. Fuses for the Cigarette Lighter / Power Outlet and Fuel Pump are highlighted in bold.

Engine Compartment

Located on the left side of the engine bay. It consists of a main fuse box and an auxiliary relay panel. The configuration of the auxiliary panel varies depending on the engine installed (diesel or gasoline).

Main Distribution Box

Overview.

Diagram
No.	Description	Rating (A)
R1	Auxiliary power socket relay
R2	Horn / security alarm relay
R3	Headlight washer relay
R4	Horn / security alarm relay
R5	Front fog lamp relay
R6	Radiator cooling fan relay
1	Passenger compartment fuse box / Battery / Auxiliary circuit	60 / 80 / —
2	Radiator cooling fan motor	50
3	Anti-lock Braking System (ABS)	30
4	Ignition switch circuit	40
5	Power windows	40
6	Front fog lamps	15
7	AC power inverter / auxiliary outlets	15 / 20
8	Warning buzzer / Horn	10
9	Engine Control Module (ECM)	20
10	A/C compressor magnetic clutch	10
11	Brake lamps / Stop lamps	15
12	Windshield wiper de-icer, horn	15
13	Alternator / Generator	7.5
14	Security alarm system	10
15	Transmission Control Module (TCM)	20
16	Right headlamp high beam	10
17	Left headlamp high beam	10
18	Right headlamp low beam	10
19	Left headlamp low beam	10
20	Right tail lamp	7.5
21	Left tail lamp	7.5
22	Spare / Engine management system	15
23	Audio system	10
24	Fuel pump	15
25	Power tailgate	30

Auxiliary Panel

Diesel Models
Diagram

Legend

1. A/C condenser fan – 30 A;
2. Engine Control Module (ECM) – 30 A;
3. Throttle control valve / Flap actuator – 10 A;
4. Ignition relay – 10 A;
5. Solenoid valve block – 10 A;
6. Engine immobilizer / Anti-theft system – 7.5 A;
7. Auxiliary heater module – 10 A

Gasoline Models
Diagram

Description
1 – A/C compressor magnetic clutch relay; 
2 – Engine control (ECM) main relay;
3 – Transmission Control Module (TCM) relay;
4 – Ignition relay;
5 – Electronic Throttle Control (ETC) relay;
6 – Spare;
7 – Spare.

Passenger Compartment

Located under the dashboard on the driver's side, behind the lower instrument panel trim.

Overview of the Mitsubishi Grandis interior passenger compartment fuse box.

Diagram
No.	Description	Rating (A)
R1	Fuel pump relay 1
R2	Heated front seat relay
R3	Fuel pump relay 2
R4	Auxiliary power outlet relay
R5	Rear fog lamp relay
R6	Power window relay
R7	Blower motor relay
R8	Rear window defroster relay
1	Ignition system	10
2	Instrument cluster	7.5
3	Backup (reverse) lamps, automatic transmission control relay	7.5
4	Cruise control system	7.5
5	Relay control circuits	7.5
6	Exterior power mirror control switch	7.5
7	Windshield wipers, washers, Front ECU (lighting control module)	30
8	Powertrain Control Module (PCM/TCM for automatic transmission models), Engine Control Module (ECM), fuel pump relay	7.5
9	Cigarette lighter / Power outlet	15
10	Spare	—
11	Heated exterior power mirrors	7.5
12	Engine Control Module (ECM)	7.5
13	Audio system, Navigation unit	10
14	Rear window wiper and washer	15
15	Central power door locking system	15
16	Rear fog lamp	10
17	Spare	—
18	Interior dome / courtesy lamps	10
19	Climate control blower motor	30
20	Heated rear window defroster	30
21	Power sunroof motor	20
22	Heated front seats	20
23	Rear air conditioning system	20
24	Starter relay control	10