2017 TOYOTA 4RUNNER Owners Manual

3856-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B37U)
■Use a CR2016 (vehicles without a sm art key system) or CR1632 (vehicles
with a smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the electronic key battery is depleted
The following symptoms may occur:
●The smart key system and wireless remote control will not function properly.
● The operational range will be reduced.
CAUTION
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
● Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote control.
● Do not bend either of the battery terminals.

3866-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B37U)
Turn the engine switch off.
Open the Fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Driver’s side instrument panel
Remove the lid.
Remove the fuse with the pull-
out tool.
Only type A fuse can be removed
using the pullout tool.
Checking and replacing fuses
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

3876-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B37U)
Check if the fuse is blown.Normal fuse
Blown fuse
Type A, B, C, D, E:
Replace the blown fuse with a new fuse of an appropriate amperage rat-
ing. The amperage rating can be found on the fuse box lid.
Type F:
Contact your Toyota dealer.
4
1
2
Ty p e AType B
Ty p e CType D
Ty p e EType F

3886-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B37U)
■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. 389)
● 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.
CAUTION
■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.

3896-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B37U)
Check the wattage of the light bulb to be replaced. (→P. 473)
Light bulbs
You may replace the following bulbs by yourself. The difficulty
level of replacement varies de pending on the bulb. If necessary
bulb replacement seems difficul t to perform, contact your
Toyota dealer.
For more information about replacing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement

3906-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B37U)■
Front
■Rear
Bulb locations
Headlight low beam
Headlight high beam/day-
time running light
Fog light
Front turn signal/parking
light
Front side marker light1
2
3
4
5
Rear turn signal light
Back-up light
License plate light1
2
3

3916-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B37U)■
Headlight low beams
Turn the cover counterclock-
wise and remove it.
Turn the bulb base counter-
clockwise.
Unplug the connector while
pulling the lock release.
Replacing light bulbs
1
2
3

3926-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B37U)
Replace the light bulb, and
install the bulb base.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn and secure the bulb
base.
Shake the bulb base gently to
check that it is not loose, turn
the headlights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
Install the cover.
4
5
6