2020 TOYOTA TACOMA fuse

4486-3. Do-it-yourself maintenance
■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. 449)
● 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 from damage.
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.

519
7
When trouble arises
7-2. Steps to take in an emergency
If the engine will not star t
One of the following may be the cause of the problem:
● There may not be sufficient f uel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proc edures.
(  P. 201, 204)
● There may be a malf unction in the engine immobilizer system.
(if equipped) ( P. 78)
One of the following may be the cause of the problem:
● The battery may be discharged. ( P. 523)
● The battery terminal connecti ons may be loose or corroded.
The engine starting system may be malfunctioning due to an elec trical
problem such as an open circuit or a blown fuse. However, an in terim
measure is available to start the engine. ( P. 520)
If the engine will not start eve n though correct starting proce -
dures are being followed ( P. 201, 204), consider each of the fol-
lowing points.
The engine will not start even t hough the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and he ad-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with a smart key
system)

5678-3. Items to initialize
8
Vehicle specifications
Items to initialize
*1: If equipped
*2: For U.S.A. only
The following items must be initialized for normal system opera-
tion after such cases as the battery being reconnected, or main -
tenance being performed on the vehicle:
ItemWhen to initializeReference
Moon roof*1• After reconnecting or chang- ing the battery
• After changing a fuse
P. 165
Maintenance required
reminder message indicat-
ing maintenance is
required
*2
• After the maintenance is per- formedP. 404
Tire pressure warning sys-
tem
*1• When rotating the tires.
• When changing the tire size.P. 427

597Alphabetical index
Engine switch (ignition switch)............. 201, 204
Engine switch light
(ignition switch light) ............ 347
Event data recorder (EDR) ........ 11
Flat tire...................................... 504
Floor mats .................................. 26
Fluid Automatic transmission......... 541
Brake .................................... 542
Power steering ...................... 542
Washer ................................. 424
Fog lights ................................. 228 Replacing light bulbs............. 455
Switch ................................... 228
Wattage ................................ 545
Four-wheel drive system ........ 297
Front passenger occupant
classification system .............. 48
Front personal lights ............... 348
Front seats ............................... 139
Adjustment ............................ 139
Cleaning................................ 400
Correct driving posture ........... 28
Head restraints ..................... 145
Seat heaters ......................... 345
Front side marker lights Light switch ........................... 219
Replacing light bulbs............. 453
Wattage ................................ 545
Front turn signal lights Replacing light bulbs............. 454
Turn signal lever ................... 217
Wattage ................................ 545 Fuel ........................................... 536
Capacity................................ 536
Fuel gauge.............................. 98
Fuel pump shut off system ... 474
Information............................ 546
Refueling .............................. 232
Type...................................... 536
Warning light......................... 476
Warning message................. 486
Fuel consumption
Average fuel consumption ............... 103, 109
Current fuel
consumption ............... 103, 109
Fuel filler door ......................... 234
Fuel pump shut off system..... 474
Fuses ........................................ 446
Garage door opener ................ 383
Gas station information .......... 608
Gauges ....................................... 98
Glove box ................................. 351
Grocery bag hooks.................. 366
F
G

602Alphabetical index
Radar cruise control (dynamic radar cruise control) ............. 265
Radiator .................................... 419
Radio
*
Rear differential lock system............................ 303
Rear seat
Adjustment precautions ........ 144
Child seats/child restraint system installation . ............... 58
Cleaning................................ 400
Folding down ........................ 142
Head restraints ..................... 145
Raising the bottom cushion ............................... 142
Rear side marker lights ........... 219
Light switch ........................... 219
Replacing light bulbs............. 457
Wattage ................................ 545
Rear step bumper .................... 130
Rear turn signal lights............. 217 Replacing light bulbs............. 457
Turn signal lever ................... 217
Wattage ................................ 545
Rear view mirror
Inside rear view mirror .......... 151
Outside rear view mirrors...... 154
Rear view monitor system
*
Refueling .................................. 232
Capacity................................ 536
Fuel types ............................. 536
Opening the fuel tank cap..... 234
Replacing Electronic key battery ........... 443
Fuses .................................... 446
Light bulbs ............................ 449
Tires...................................... 504
Wireless remote control battery ................................ 443
Reporting safety defects for U.S. owners...................... 570
Resetting the remainder light or message indicating
maintenance is required....... 404R