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Toyota Tundra 2003 Fuse Box

Toyota Tundra 2003 Fuse Box Info

 

Passenger compartment fuse box location:

The fuse box is located under the instrument panel behind the cover on the driver’s side.

 

Engine compartment fuse box location:

 

Fuse Box Diagram | Layout

 

Passenger compartment fuse box:

Fuse/Relay N° and Name Rating Functions
24. WIP 20A Windshield wipers and washer
25. TURN 5A Turn signal lights
26. ECU IG 5A Anti−lock brake system and cruise control system
27. 4WD 20A Four−wheel drive control system, A.D.D. control system
28. ACC 15A Cigarette lighter, audio system, SRS airbag system, power rear view mirrors, “PWR OUTLET 1” and “PWR OUTLET 2” fuses
29. GAUGE 10A Gauges and meters, back−up lights, starting system, air conditioning system
30. IGN 5A SRS airbag system, multiport fuel injection system/sequential multiport fuel injection system, discharge warning light, ignition system
31. CARGO LP 5A Cargo lamp
32. TAIL 15A Tail lights, license plate lights, instrument panel lights, parking lights, glove box light
33. OBD 7.5A On−board diagnosis system
34. HORN 10A Horns
35. STA 5A Multiport fuel injection system/sequential multiport fuel injection system, gauges and meters
36. STOP 15A Stoplights, high mounted stoplight
43. POWER 30A Power door lock system, power windows, power seat

 

Engine compartment fuse box (2UZ−FE engine):

Fuse/Relay N° and Name Rating Functions
1. MIR HTR 15A Outside rear view mirror heaters
2. FOG 15A Front fog lights
3. TOW BRK 30A Trailer brake controller
4. SUB BATT 30A Trailer sub battery
5. TOW TAIL 30A Trailer lights (tail lights)
6. PWR OUTLET 1 15A Power outlet
7. ECU−B 5A Anti−lock brake system
8. H−LP RH 10A Right−hand headlight (high beam)
9. PWR OUTLET 2 15A Power outlet
10. DOME 10A Interior light, personal lights, vanity light, ignition switch light, step light, door courtesy lights, open door warning light
11. H−LP LH 10A Left−hand headlight (high beam)
12. EFI NO.2 10A Multiport fuel injection system/sequential multiport fuel injection system, emission control system
13. RADIO 20A Audio system
14. HEAD RL 10A Right−hand headlight (low beam)
15. A/C 10A Air conditioning system
16. HEAD LL 10A Left−hand headlight (low beam)
17. ALT−S 7.5A Charging system
18. ETCS 10A Multiport fuel injection system/sequential multiport fuel injection system, electronic throttle control system
19. HAZ 15A Emergency flashers
20. EFI NO.1 20A Multiport fuel injection system/sequential multiport fuel injection system, fuel pump, “EFI NO.2” fuse
21. AM2 30A Ignition system, starting system, “IGN” and “STA” fuses
22. TOWING 30A Towing converter
37. AM1 40A Starting system, “ACC”, “WIP”, “4WD”, “ECU−IG”, “GAUGE” and “TURN” fuses
38. HTR 50A Air conditioning system, “A/C” fuse
39. J/B 50A “POWER”, “CARGO LP”, “TAIL”, “OBD”, “HORN” and “STOP” fuses
40. ABS 2 40A Anti−lock brake system
41. ABS 3 40A Anti−lock brake system
42. ST3 30A Starting system, “STA” fuse

44. FL ALT

44. FL ALT

100A (without towing package)

140A (with towing package)

“AM1”, “HTR”, “J/B”, “MIR HTR”, “FOG”, “TOW BRK”, “SUB BATT”, “TOW TAIL”, “PWR OUTLET 1” and “PWR OUTLET 2” fuses

 

Engine compartment fuse box (5VZ−FE engine):

Fuse/Relay N° and Name Rating Functions
1. MIR HTR 15A Outside rear view mirror heaters
2. FOG 15A Front fog lights
5. TOW TAIL 30A Trailer lights (tail lights)
6. PWR OUTLET 1 15A Power outlet
7. ECU−B 5A Anti−lock brake system
8. H−LP RH 10A Right−hand headlight (high beam)
9. PWR OUTLET 2 15A Power outlet
10. DOME 10A Interior light, personal lights, vanity light, ignition switch light, step light, door courtesy lights, open door warning light
11. H−LP LH 10A Left−hand headlight (high beam)
12. EFI NO.2 10A Multiport fuel injection system/sequential multiport fuel injection system, emission control system
13. RADIO 20A Audio system
14. HEAD RL 10A Right−hand headlight (low beam)
15. A/C 10A Air conditioning system
16. HEAD LL 10A Left−hand headlight (low beam)
17. ALT−S 7.5A Charging system
19. HAZ 15A Emergency flashers
20. EFI NO.1 20A Multiport fuel injection system/sequential multiport fuel injection system, fuel pump, “EFI NO.2” fuse
21. AM2 30A Ignition system, starting system, “IGN” and “STA” fuses
22. TOWING 30A Towing converter
23. ETCS 15A Multiport fuel injection system/sequential multiport fuel injection system, electronic throttle control system
37. AM1 40A Starting system, “ACC”, “WIP”, “4WD”, “ECU−IG”, “GAUGE” and “TURN” fuses
38. HTR 50A Air conditioning system, “A/C” fuse
39. J/B 50A “POWER”, “CARGO LP”, “TAIL”, “OBD”, “HORN” and “STOP” fuses
40. ABS 2 40A Anti−lock brake system
41. ABS 3 40A Anti−lock brake system

44. FL ALT

44. FL ALT

100A (without towing package)

140A (with towing package)

“AM1”, “HTR”, “J/B”, “MIR HTR”, “FOG”, “TOW BRK”, “SUB BATT”, “TOW TAIL”, “PWR OUTLET 1” and “PWR OUTLET 2” fuses

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