2023 TOYOTA 4RUNNER Owners Manual

4496-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)
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 cont rol.
● Do not bend either of the battery terminals.

4506-3. Do-it-yourself maintenance
4RUNNER (U)
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, che ck and replace the fuses as nec-
essary.
1
2
3

4516-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)
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 ampera ge 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

4526-3. Do-it-yourself maintenance
4RUNNER (U)
■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. 453)
● 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.
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 b y your
Toyota dealer as soon as possible.

4536-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)
Check the wattage of the light bulb to be replaced. ( P. 533)
Light bulbs
You may replace the following bulbs by yourself. The difficulty
level of replacement varies depending on the bulb. If necessary
bulb replacement seems diffic ult to perform, contact your
Toyota dealer.
For more information about replacing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement

4546-3. Do-it-yourself maintenance
4RUNNER (U)■
Front
■Rear
Bulb locations
Headlight high beam (if
equipped)/daytime running
light
Front turn signal/parking
light
Front side marker light1
2
3
Rear turn signal light
Back-up light
License plate light1
2
3

4556-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
Headlight high beam (if equi
pped)/daytime running lights
Turn the bulb base counter-
clockwise.
Pull the bulb out while press-
ing the lock release of the
connector.
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.
Replacing light bulbs
1
2
3
4

4566-3. Do-it-yourself maintenance
4RUNNER (U)■
Front turn signal/parking light
Turn the steering wheel in
the opposite direction of the
front turn signal light and
parking light that you wish to
replace.
For example, if you wish to
replace the front turn signal light
and parking light on the right
side, turn the steering wheel to
the left.
Remove the fender liner
screws.
Partly remove the fender
liner.
1
2
3