Toyota Tundra First Generation mk1 (2003 – 2004) – fuse box diagram

Toyota Tundra First Generation mk1 (2003 – 2004) – fuse box diagram

Year of production: 2003, 2004

Engine compartment (2UZ- FE engine)

Toyota Tundra mk1 - fuse box - engine compartment (2UZ-FE)
Toyota Tundra mk1 – fuse box – engine compartment (2UZ-FE)

Engine compartment (5VZ- FE engine)

Toyota Tundra mk1 - fuse box - engine compartment (5VZ-FE)
Toyota Tundra mk1 – fuse box – engine compartment (5VZ-FE)

Instrument panel

Toyota Tundra mk1 - fuse box - instrument panel
Toyota Tundra mk1 – fuse box – instrument panel

Fuses (type A)

Fuse Ampere rating [A] Circuit
1 MIR HTR 15 Outside rear view mirror heaters
2 FOG 15 Front fog lights
3 TOW BRK 30 Trailer brake controller
4 SUB BATT 30 Trailer sub battery
5 TOW TAIL 30 Trailer lights (tail lights)
6 PWR OUTLET 1 15 Power outlet
7 ECU–B 5 Anti–lock brake system
8 H–LP RH 10 Right–hand headlight (high beam)
9 PWR OUTLET 2 15 Power outlet
10 DOME 10 Interior light, personal lights, vanity light, ignition switch light, step light, door courtesy lights, open door warning light
11 H–LP LH 10 Left–hand headlight (high beam)
12 EFI NO.2 10 Multiport fuel injection system/sequential multiport fuel injection system, emission control system
13 RADIO 20 Audio system
14 HEAD RL 10 (with daytime running light system) Right–hand headlight (low beam)
15 A/C 10 Air conditioning system
16 HEAD LL 10 (with daytime running light system) Left–hand headlight (low beam)
17 ALT–S 7,5 Charging system
18 ETCS 10 (2UZ–FE engine) Multiport fuel injection system/sequential multiport fuel injection system, electronic throttle control system
19 HAZ 15 Emergency flashers
20 EFI NO. 1 20 Multiport fuel injection system/sequential multiport fuel injection system, fuel pump, “EFI NO.2” fuse
21 AM2 30 Ignition system, starting system, “IGN” and “STA” fuses
22 TOWING 30 Towing converter
23 ETCS 15 (5VZ–FE engine) Multiport fuel injection system/sequential multiport fuel injection system, electronic throttle control system
24 WIP 20 Windshield wipers and washer
25 TURN 5 Turn signal lights
26 ECU IG 5 Anti–lock brake system, cruise control system
27 4WD 20 Four–wheel drive control system, A.D.D. control system
28 ACC 15 Cigarette lighter, audio system, SRS airbag system, power rear view mirrors, “PWR OUTLET 1” and “PWR OUTLET 2” fuses
29 GAUGE 10 Gauges and meters, back–up lights, starting system, air conditioning system
30 IGN 5 SRS airbag system, multiport fuel injection system/sequential multiport fuel injection system, discharge warning light, ignition system
31 CARGO LP 5 Cargo lamp
32 TAIL 15 Tail lights, license plate lights, instrument panel lights, parking lights, glove box light
33 OBD 7,5 On–board diagnosis system
34 HORN 10 Horns
35 STA 5 Multiport fuel injection system/sequential multiport fuel injection system, gauges and meters
36 STOP 15 Stoplights, high mounted stoplight

Fuses (type B)

Fuse Ampere rating [A] Circuit
37 AM1 40 Starting system, “ACC”, “WIP”, “4WD”, “ECU–IG”, “GAUGE” and “TURN” fuses
38 HTR 50 Air conditioning system, “A/C” fuse
39 J/B 50 “POWER”, “CARGO LP”, “TAIL”, “OBD”, “HORN” and “STOP” fuses
40 ABS 2 40 Anti–lock brake system
41 ABS 3 30 Anti–lock brake system
42 ST3 30 Starting system, “STA” fuse
43 POWER 30 Power door lock system, power windows and power seat

Fuse (type C)

Fuse Ampere rating [A] Circuit
44 FL ALT 100 (without towing package) “AM1”, “HTR”, “J/B”, “MIR HTR”, “FOG”, “TOW BRK”, “SUB BATT”, “TOW TAIL”, “PWR OUTLET 1” and “PWR OUTLET 2” fuses
140 (with towing package)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.