2010 TOYOTA SIENNA maintenance

484 4-3. Do-it-yourself maintenance
■Under the passenger’s side instrument panel
FuseAmpereCircuit
1ST 7.5 A Multiport fuel injection system/
sequential multiport fuel injection
system
2 A/C 7.5 A Manual air conditioning system
3 SFT 5 A Shift lock control system
■ 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. 486)
● If the replaced fuse blows again, have the vehicle inspected by your
Toyota dealer.
■ If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

485
4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■
To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than 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.
This can cause extensive damage or even fire.
● Do not modify fuses or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your
Toyota dealer as soon as possible.

486
4-3. Do-it-yourself maintenance
Light bulbs
You may replace the following bulbs yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb
replacement seems difficult to perfor m, contact your Toyota dealer.
For more information about replacing other light bulbs, contact your
Toyota dealer.
■ Preparing a replacement light bulb
Check the wattage of the light bulb being replaced. ( P. 549)
■ Turning the power back door main switch off
P. 4 8
■ Front bulb locations
Headlight low beams
(halogen bulbs)
Front side
marker lights
Parking and front turn
signal lightsHeadlight high beams

487
4-3. Do-it-yourself maintenance
4
Maintenance and care
Replacing light bulbs
■ Headlight (halogen bulbs)
Turn the bulb base counterclock-
wise.
Headlight (high beam)
Headlight (low beam)
Pull out the light bulb while
depressing the lock release.
■ Rear bulb locations
Back-up lights
Rear turn signal lights
Stop/tail and rear
side
marker
lights
License plate lights
Ta i l lights
STEP1
STEP2

488 4-3. Do-it-yourself maintenance
■Front side marker light
Turn the bulb base counterclock-
wise.
Remove the light bulb.
STEP1
STEP2

489
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Parking and front turn signal lights
Turn the bulb base counterclock-
wise.
Remove the light bulb.
STEP1
STEP2

490 4-3. Do-it-yourself maintenance
■Rear turn signal, stop/tail a nd rear side marker lights
Remove the securing bolts and
remove the unit.
To protect the cover, place a rag
between the flathead screwdriver
and cover as shown in the illus-
tration.
Turn the bulb bases counter-
clockwise.
Remove the light bulbs.
Rear turn signal light
Stop/tail and rear side marker
light
STEP1
STEP2
STEP3

491
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Tail and back-up lights
Open the back door and remove
the strap.
Remove the back door trim
board.
Turn the bulb bases counter-
clockwise.
Remove the light bulbs.
Tail light
Back-up light
STEP1
STEP2
STEP3
STEP4