2015 TOYOTA 4RUNNER Owners Manual

3776-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B18U)
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2016 (vehicles without a smart key system), or
CR1632 (vehicles with a smart key system)
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the module.
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the “+”
terminal facing up.
Wireless remote control/electronic key bat-
ter y
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery (vehicl es without a smart key system)
1
2
3

3786-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B18U)
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Replacing the battery (vehicles with a smart key system)
1
2
3

3796-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B18U)
■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.

3806-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B18U)
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

3816-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B18U)
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

3826-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B18U)
■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. 383)
● 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.

3836-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B18U)
Check the wattage of the light bulb to be replaced. (P. 465)
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 repl acing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement

3846-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B18U)■
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