fuse TOYOTA PRIUS 2017 4.G User Guide

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PRIUS_OM_OM47B54U_(U)
7-3. Do-it-yourself maintenance
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( →P. 635)
● 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.
■ When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, nongenuine parts or parts not designed for this vehicle may be
unusable.
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 indicated, 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 by your
Toyota dealer as soon as possible.

703
PRIUS_OM_OM47B54U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly.
* (→ P. 705)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( →P. 84)
● There may be a malfunction in the immobilizer system.
* (→ P. 8 9 )
● There may be a malfunction in the shift control system.
*
( → P. 228, 669)
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. (→ P. 704)
● There is a possibility that the temperature of the hybrid battery
(traction battery) is extremely low (approximately below -22°F
[-30°C]). ( →P. 84, 228)
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( →P. 708)
● The 12-volt battery terminal con nections may be loose or corroded.
( → P. 597)
Reasons for the hybrid system not starting vary depending on
the situation. Check the follo wing and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( →P. 225)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

784Alphabetical index
PRIUS_OM_OM47B54U_(U)
Flat tire...................................... 670
Floor mats .................................. 26
FluidBrake .................................... 729
Transmission ........................ 729
Washer ................................. 602
Fog lights Replacing light bulbs............. 641
Switch ................................... 252
Footwell lights ......................... 523
Front doors .............................. 165
Front fog lights Replacing light bulbs............. 641
Switch ................................... 252
Front passenger occupant classification system .............. 50
Front passenger’s seat
belt reminder light ................. 656
Front seats ............................... 184 Adjustment ............................ 184
Cleaning................................ 572
Correct driving posture ........... 28
Head restraints ..................... 189
Seat heaters ......................... 521
Front side marker lights Light switch ........................... 242
Replacing light bulbs............. 641
Front turn signal lights Replacing light bulbs............. 637
Turn signal lever ................... 240
Wattage ................................ 732 Fuel
Capacity................................ 725
Fuel gauge............................ 108
Gas station information......... 796
Information............................ 733
Refueling .............................. 262
Type...................................... 725
Warning light......................... 655
Fuel filler door ......................... 262 Opener.................................. 264
Refueling .............................. 262
When the fuel filler door cannot be opened .............. 265
Fuses ........................................ 630
Gas station information .......... 796
Garage door opener ................ 552
Glove box ................................. 527
Hands-free system (for cellular phone) ............... 468
Head restraints ........................ 189
Head-up display....................... 146
Headlights ................................ 242 Automatic High Beam
system .......... ...................... 247
Headlight aim................ 633, 770
Light switch ........................... 242
Replacing light bulbs ............ 641
Heaters Automatic air conditioning
system .......... ...................... 510
Outside rear view mirrors ..... 515
Seat heaters ......................... 521
F
G
H

789Alphabetical index
PRIUS_OM_OM47B54U_(U)
Power switch............................ 225Auto power off function ......... 227
Changing the power
switch modes...................... 227
If your vehicle has to be
stopped in an
emergency.......................... 645
Starting the hybrid system .... 225
Power windows Catch protection function ...... 199
Door lock linked window operation ............................ 200
Jam protection function......... 199
Operation .............................. 198
Window lock switch............... 198
Pre-Collision System (PCS) Enabling/disabling the
system ......... ....................... 279
Function ................................ 275
Warning light ......................... 654
Radar cruise control (dynamic radar cruise
control with full-speed
range) ..................................... 298
Radiator .................................... 596
Radio......................................... 436
Rear passengers’ seat belt reminder light ........................ 656
Rear seat .................................. 186
Rear side marker lights Light switch ........................... 242 Rear turn signal lights
Replacing light bulbs ............ 638
Turn signal lever ................... 240
Wattage ................................ 732
Rear view mirror
Inside rear view mirror .......... 194
Outside rear view mirrors ..... 196
Rear view monitor system ...... 392
Rear window defogger ............ 515
Rear window wiper .................. 260
Refueling .................................. 262
Capacity................................ 725
Fuel types ............................. 725
Opening the fuel tank cap..... 264
When the fuel filler door cannot be opened .............. 265
Regenerative braking ................ 80
Replacing
Electronic key battery ........... 627
Fuses .................................... 630
Light bulbs ............................ 635
Tires.............................. 670, 684
Resetting the message
indicating maintenance is
required.................................. 578
Reporting safety defects for U.S. owners...................... 758
Road accident cautions ............ 86
R
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.