TOYOTA SIENNA 2018 Owners Manual (in English)

SIENNA_OM_OM08019U_(U)
4416-3. Do-it-yourself maintenance
6
Maintenance and care
■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. 442)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in the circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
Ty p e E
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing 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 Toy-
ota dealer as soon as possible.

442
SIENNA_OM_OM08019U_(U)
6-3. Do-it-yourself maintenance
Light bulbs
Check the wattage of the light bulb to be replaced. ( P. 525)
 P. 1 3 6
You may replace the following bulbs by yourself. The difficulty
level of replacement varies depending on the bulb. If necessary
bulb replacement seems difficult to perform, contact your Toy-
ota dealer.
For more information about replacing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement
Turning off the power back door main switch

SIENNA_OM_OM08019U_(U)
4436-3. Do-it-yourself maintenance
6
Maintenance and care
■Front
Vehicles without daytime running lights or with bulb type daytime
running lights
Vehicles with LED type daytime running lights
Bulb locations
Headlight high beam and day-
time running lights (if equipped)
Headlight low beam
(halogen bulb) Fog light (if equipped)
Front turn signal/parking and
front side marker lights1
2
3
4
Front turn signal light
Headlight high beam
Fog light
Headlight low beam
(halogen bulb)
Front side marker light1
2
3
4
5

444
SIENNA_OM_OM08019U_(U)
6-3. Do-it-yourself maintenance
■Rear
Vehicles with bulb type stop/tail lights
Vehicles with LED type stop/tail lights
Rear turn signal light
Back-up light
License plate lights Tail light
Stop/tail lights1
2
3
4
5
Tail light
License plate lights
Back-up light
Rear turn signal light1
2
3
4

SIENNA_OM_OM08019U_(U)
4456-3. Do-it-yourself maintenance
6
Maintenance and care
■Headlight low beams (halogen bulb)
For left side only:
Open the fuse box cover. ( P. 439)
Unplug the connector while
pushing the lock release.
Turn the bulb base counter-
clockwise.
Replacing light bulbs
1
2
3

446
SIENNA_OM_OM08019U_(U)
6-3. Do-it-yourself maintenance
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb
base.
Install the connector.
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.
For left side only: Install the fuse box cover.
4
5
6
7

SIENNA_OM_OM08019U_(U)
4476-3. Do-it-yourself maintenance
6
Maintenance and care
■Headlight high beams and bulb type daytime running lights (if
equipped)For left side only:
Open the fuse box cover. ( P. 439)
Turn the bulb base counter-
clockwise.
Unplug the connector while
pushing the lock release.
Install a new light bulb.
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.
For left side only: Install the fuse box cover.
1
2
ITO43P165
P
4
5
6

448
SIENNA_OM_OM08019U_(U)
6-3. Do-it-yourself maintenance
■Fog lights (if equipped)Remove the engine under
cover bolt and pull down the
engine under cover.
Unplug the connector while
pushing the lock release.
Turn the bulb base counter-
clockwise.
1
2
3

SIENNA_OM_OM08019U_(U)
4496-3. Do-it-yourself maintenance
6
Maintenance and care
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn clockwise and secure
the bulb base.
Install the connector.
Shake the connector gently to
check that it is not loose, turn
the fog lights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
When installing the engine under cover, reverse the step .
4
5
6
71

450
SIENNA_OM_OM08019U_(U)
6-3. Do-it-yourself maintenance
■Front turn signal/parking and front side marker lights (vehicles
without daytime running lights or with bulb type daytime run-
ning lights)
For left side only:
Open the fuse box cover. ( P. 439)
Turn the bulb base counter-
clockwise.
Remove the light bulb.
1
2
3