2018 TOYOTA TUNDRA fuses

TABLE OF CONTENTS6
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 470
Cleaning and protecting the vehicle interior ........... 473
7-2. Maintenance Maintenance requirements ................... 476
General maintenance ........ 478
Emission inspection and maintenance (I/M)
programs ......................... 481
7-3. Do-it-yourself maintenance Do-it-yourself service precautions ..................... 482
Hood.................................. 484
Engine compartment ......... 485
Tires .................................. 495
Tire inflation pressure........ 507
Wheels .............................. 510
Air conditioning filter .......... 513
Wireless remote control battery ............................. 516
Checking and replacing fuses ............................... 518
Light bulbs ......................... 521 8-1. Essential information
Emergency flashers ........... 538
If your vehicle has to be stopped in
an emergency.................. 539
8-2. Steps to take in an emergency
If your vehicle needs to be towed .......................... 540
If you think something is wrong............................... 545
Fuel pump shut off system ............................. 546
If a warning light turns on or a warning buzzer
sounds ............................. 547
If a warning message is displayed ......................... 555
If you have a flat tire .......... 565
If the engine will not start ................................. 580
If the vehicle battery is discharged ....................... 582
If your vehicle overheats.... 585
If the vehicle becomes stuck ................................ 588
7Maintenance and care8When trouble arises

469
7Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 470
Cleaning and protecting the vehicle interior ........... 473
7-2. Maintenance Maintenance requirements ................... 476
General maintenance ........ 478
Emission inspection and maintenance (I/M)
programs ......................... 481 7-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 482
Hood ................................. 484
Engine compartment ......... 485
Tires .................................. 495
Tire inflation pressure ....... 507
Wheels .............................. 510
Air conditioning filter.......... 513
Wireless remote control battery ............................. 516
Checking and replacing fuses ............................... 518
Light bulbs......................... 521

4827-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
Battery condition
(  P. 492)• Warm water• Baking soda• Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 490)• FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant
level ( P. 488)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with
55% coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(  P. 486)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P. 518)• Fuse with same amperage rating as original
Light bulbs
( P. 521)
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver• Wrench
Power steering
fluid level

(
P. 491)
• Automatic transmission fluid DEXRON® II or III
• Rag or paper towel
• Funnel (used only for adding power steering fluid)
Radiator and
condenser
(
P. 490)

Tire inflation
pressure
(  P. 507)• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 494)• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)

5187-3. Do-it-yourself maintenance
Checking and replacing fuses
Turn the engine switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the
cover off.
Under the instrument panel
Remove the cover.
Remove the fuse with the pull-
out tool.
Only type A fuse can be removed
using the pullout tool.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
1
2
3

5197-3. Do-it-yourself maintenance
7
Maintenance and care
Check if the fuse is blown.Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate ampera ge rat-
ing. The amperage rating can be found on the fuse box cover.
Type C:
Contact your Toyota dealer.
■ After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 521)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
4
1
2
Ty p e AType B
Ty p e C

5207-3. Do-it-yourself maintenance
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your
Toyota dealer as soon as possible.

661Alphabetical index
Engine immobilizer system ...... 76
Engine oil ................................. 486Capacity ................................ 602
Checking ............................... 486
Preparing and checking
before winter....................... 312
Engine oil maintenance
data ......................................... 477
Engine switch (ignition switch)..................... 195
Engine switch light (ignition switch light) ............ 429
Event data recorder (EDR) ........ 10
FFV .................................... 221, 610
Flat tire...................................... 565
Flex-fuel ............................ 221, 610
Flexible fuel vehicle......... 221, 610
Floor mats .................................. 28
Fluid Automatic transmission......... 606
Brake .................................... 607
Washer ................................. 494
Fog lights ................................. 216
Replacing light bulbs............. 530
Switch ................................... 216
Wattage ................................ 609
Foot well light .......................... 429
Four-wheel drive system ........ 296
Front passenger occupant classification system .............. 50
Front personal lights ............... 430
Front seats ............................... 123 Adjustment ............................ 123
Cleaning................................ 473
Correct driving posture ........... 30
Driving position memory ....... 128
Head restraints ..................... 132
Power easy access system ......... ....................... 128
Seat heaters ......................... 426
Seat position memory ........... 128 Seat ventilators ..................... 426
Front side marker lights Light switch ........................... 206
Replacing light bulbs ............ 528
Wattage ................................ 609
Front turn signal lights Replacing light bulbs ............ 527
Turn signal lever ................... 204
Wattage ................................ 609
Fuel ........................................... 601
Capacity................................ 601
Fuel gauge.............................. 95
Fuel pump shut off system ... 546
Gas station information......... 672
Information............................ 610
Refueling .............................. 220
Type.............................. 221, 601
Warning light......................... 548
Warning message................. 558
Fuel consumption Average fuel consumption ....................... 107
Current fuel consumption ..... 107
Fuel filler door ......................... 220
Fuel pump shut off system..... 546
Fuses ........................................ 518
Garage door opener ................ 456
Gas station information .......... 672
Gauges ....................................... 95
Glove box ................................. 434
F
G

666Alphabetical index
ReplacingFuses .................................... 518
Light bulbs ............................ 521
Tires ...................................... 565
Wireless remote control battery ................................ 516
Reporting safety defects
for U.S. owners ...................... 634
Resetting the message indicating maintenance
is required .............................. 477
Seat belts.................................... 32 Adjusting the seat belt ............ 33
Automatic Locking Retractor............................... 34
Child restra int system
installation ............................ 60
Cleaning and maintaining the seat belt ........................ 474
Emergency Locking
Retractor............................... 34
How to wear your seat belt ..... 32
How your child should wear the seat belt .......................... 34
Pregnant women, proper seat belt use ......................... 35
Reminder light and buzzer .... 548
Seat belt extender................... 34
Seat belt pretensioners ........... 33
SRS warning light ................. 547
Seat heaters ............................. 426
Seat position memory ............. 128
Seat ventilators ........................ 426
Seating capacity ...................... 171 Seats, Front.............................. 123
Adjustment............................ 123
Adjustment precautions ........ 125
Child seats/child restraint system installation . ............... 60
Cleaning ............................... 473
Driving position memory ....... 128
Head restraints ..................... 132
Power easy access system .......... ...................... 128
Properly sitting in the seat ...... 30
Seat heaters ......................... 426
Seat position memory ........... 128
Seat ventilators ..................... 426
Seats, Rear ............................... 126 Adjustment precautions ........ 127
Child seats/child restraint
system installation . ............... 60
Cleaning ............................... 473
Head restraints ..................... 132
Raising the bottom cushion ............................... 126
Sensor Automatic headlight system .......... ...................... 209
Automatic High Beam system .......... ...................... 211
Camera sensor ..................... 226
Inside rear view mirror .......... 141
Intuitive parking assist .......... 270
LDA
(Lane Departure Alert) ....... 244
Radar sensor ........................ 226
Service reminder indicators ..... 90
Shift lever ................................. 197
Automatic transmission ........ 197
If the shift lever cannot be shifted from P .... 201
Shift lock system ..................... 201
Side airbags ............................... 39
Side doors ................................ 114
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