Toyota 4Runner (2003) – fuse box diagram
Year of manufacture: 2003.
Cigarette lighter fuse (power socket) in Toyota 4Runner (2003). is fuse 44 in the fuse box (type A).
Engine compartment

Instrument panel

Fuse (type A)
Fuse | Amp [A] | Description | |
1 | SPARE | 10 | Spare fuse |
2 | SPARE | 15 | Spare fuse |
3 | STOP | 10 | Stop lights – rear lights;
High-mounted stop light; Shift lock control system; Anti-lock shift control system; Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system; Air suspension control; Multi-port fuel injection system; Sequential multi-port fuel injection system; Trailer brake controller; Trailer lights (taillights). |
4 | AC115V INV | 15 | AC inverter |
5 | FR FOG | 15 | Front fog lights |
6 | OBD | 7,5 | On-board diagnostics system |
7 | HEAD (LO RH) | 10 | Right headlight (low beam) |
8 | HEAD (LO LH) | 10 | Left headlight (low beam) |
9 | HEAD (HI RH) | 10 | Right headlight (high beam) |
10 | HEAD (HI LH) | 10 | Left headlight (high beam) |
11 | EFI NO. 2 | 10 | Multi-port fuel injection system;
Sequential multi-port fuel injection system. |
12 | HEATER NO.2 | 7,5 | Air conditioning system |
13 | AIRSUS NO. 2 | 10 | Rear air suspension with height adjustment |
14 | SEAT HEATER | 25 | Seat heaters |
15 | DEFOG | 30 | Rear window defogger;
Multi-port fuel injection system; Sequential multi-port fuel injection system. |
16 | MIR HTR | 10 | External rear view mirror heater |
17 | DOME | 10 | Interior lighting;
Personal lighting; Wireless remote control system; Additional door lighting; Audio system for rear seats; Counter and meter; Vanity lights; Instrument panel lights; Instrument board lighting; Multiplex communication system. |
18 | RADIO NO.1 | 20 | Audio system;
Navigation system. |
19 | ECU – B | 10 | Anti-lock braking system;
Navigation system; Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system; Air conditioning system; Multiplex communication system; Theft deterrent system. |
20 | ALT-S | 7,5 | Charging system |
21 | HORN | 10 | Horn |
22 | A/F HEATER | 15 | No circuit |
23 | TRN – HAZ | 15 | Turn signals, hazard lights |
24 | ETCS | 10 | Multi-port fuel injection system;
Sequential multi-port fuel injection system. |
25 | EFI | 25 | Multi-port fuel injection system;
Sequential multi-port fuel injection system. |
26 | DR / LCK | 20 | Electric lock system |
27 | TOWING | 30 | Towing converter |
28 | RADIO N0.2 | 20 | Public address system |
29 | IGN | 10 | Multi-port fuel injection system;
Sequential multi-port fuel injection system; Anti-lock braking system; Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system; Stop light; Counter and indicator. |
30 | SRS | 10 | SRS airbag system |
31 | GAUGE | 7,5 | Counter and meter |
32 | STA NO.2 | 7,5 | Multi-port fuel injection system;
Sequential multi-port fuel injection system. |
33 | FR WIP – WSH | 30 | Windshield wipers and washers |
34 | 4WD | 20 | Four-wheel drive control system |
35 | DP / SEAT | 30 | Driver’s seat with power steering |
36 | P P/SEAT | 30 | Electrically operated passenger seat |
37 | PWR OUTLET | 15 | Electrical sockets |
38 | RR WSH | 15 | Rear window washer;
Multiplex communication system. |
39 | ECU – IG | 10 | Shift lock control system;
Electric windows; Anti-lock braking system; Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system; Electric sunroof; Multiplex communication system; Theft deterrent system; Rear air suspension with height control. |
40 | IG1 | 10 | Anti-lock braking system;
Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system; Air conditioning system; Charging system; Rear window defogger; Reversing lights; Turn signals; Emergency lights; Seat heaters; AC inverter; Instrument panel lighting control; Automatic anti-glare rearview mirror; SRS airbag system. |
41 | STA | 7,5 | No circuit |
42 | SECU / HORN | 10 | Theft deterrent system |
43 | TAIL | 10 | Tail lights;
License plate lights; Parking lights; Instrument panel lighting control; Multi-port fuel injection system; Sequential multi-port fuel injection system; Instrument panel lights; Counter and meter; Grove box lighting. |
44 | ACC | 7,5 | Power outlets;
Interior rear view mirrors; Audio system; Navigation system; Rear seat audio system; Shift lock control system; Instrument panel lighting. |
45 | CIG | 10 | No circuit |
Fuses (type B)
Fuse | Amp [A] | Description | |
46 | HEATER | 50 | Air conditioning;
All components in the “AC” fuse. |
47 | AIRSUS | 50 | Rear air suspension with height adjustment |
48 | AM1 | 50 | All components in fuses
“ACC”, “CIG”, “IG1”, “ECU – IG”, “FR WIP – WSH”, “RR WIP”, “RR – WSH”, “4WD” and “STA”. |
49 | TOWING BRK | 30 | Trailer brake controller |
50 | J / B | 50 | All items in fuses
“PWR OUTRET”, “DP / SEAT RH”, “PP / SEAT”, “POWER”, “TAIL” and “SECU / HORN”. |
51 | BATT CHG | 30 | Trailer auxiliary battery |
52 | TOWING | 40 | Trailer lights (taillights) |
53 | ABS MTR | 40 | Anti-lock braking system;
Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system. |
54 | AM2 | 30 | Launch system;
Fuses “IGN,” “GAUGE,” “STA NR 2,” and “SRS.” |
55 | ABS SOL | 50 | Anti-lock braking system;
Traction control system (two-wheel drive models); Active traction control system (four-wheel drive models); Vehicle skid control system. |
56 | POWER | 30 | Power windows;
Electric sunroof. |
Fuses (type C)
Fuse | Amp [A] | Description | |
57 | ALT | 140 | All components in “AM2”, “ALT – S”,
“DR / LCK”, “TRN – HAZ”, “HORN”, “RADIO 2”, “EFI”, “TOWING”, “ABS MTR”, “ABS SOL “i” ETCS fuses “ |
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