2008 TOYOTA SIENNA engine

08 SIENNA_U (L/O 0801)
539
2008 SIENNA from Aug. ’08 Prod. (OM45455U)
Type A fuses can be pulled out by the
pull−out tool. The location of the pull −out
tool is shown in the illustration.
If you are not sure whether the fuse has
blown, try replacing the suspected fuse
with one that you know is good.
If the fuse has blown, push a new fuse
into the clip.
Only install a fuse with the amperage rat-
ing designated on the fuse box lid.
If you do not have a spare fuse, in an
emergency you can pull out the “HTR” (10
A), “AC INV” or “RAD NO.1” fuse, which
may be dispensable for normal driving,
and use it if its amperage rating is the
same.
If you cannot use one of the same amper-
age, use one that is lower, but as close
to the rating as possible. If the amperage
is lower than that specified, the fuse
might blow out again but this does not
indicate anything wrong. Be sure to get
the correct fuse as soon as possible and
return the substitute to its original clip.
It is a good idea to purchase a set of
spare fuses and keep them in your ve-
hicle for emergencies. If the new fuse immediately blows out,
there is a problem with the electrical sys-
tem. Have your Toyota dealer correct it as
soon as possible.
You should normalize the power window,
power sliding door, power back door and
moon roof if they do not operate automati-
cally or the jam protection function does
not operate correctly after replacing blown
fuses. To normalize them, see “Power slid-
ing doors” on page 28, “Power back door”
on page 38, “Power windows” on page 43
and “Electric moon roof” on page 53 in
Section 1
−2.
CAUTION
Never use a fuse with a higher am-
perage rating, or any other object, in
place of a fuse. This may cause ex-
tensive damage and possibly a fire.
If any washer does not work or the low
windshield washer fluid level warning
light comes on, the washer tank may be
empty. Add washer fluid.
You may use plain water as washer fluid.
However, in cold areas where tempera-
tures range below the freezing point, use
washer fluid containing antifreeze. This
product is available at your Toyota dealer
and most auto parts stores. Follow the
manufacturer ’s directions for how much to
mix with water.
NOTICE
Do not use engine antifreeze or any
other substitute because it may dam-
age your vehicle’s paint.
Adding washer fluid

08 SIENNA_U (L/O 0801)
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2008 SIENNA from Aug. ’08 Prod. (OM45455U)
The following illustrations show how to
gain access to the bulbs. When replacing
a bulb, make sure the engine switch and
light switch are off. Use bulbs with the
wattage ratings given in the table.
The high mounted stoplight consists of a
number of LEDs. If any of the LEDs burn
out, take your vehicle to your Toyota deal-
er to have the light replaced.
CAUTION
To prevent burning yourself, do not
replace the light bulbs while they
are hot.
Halogen bulbs have pressurized gas
inside and require special handling.
They can burst or shatter if
scratched or dropped. Hold a bulb
only by its plastic or metal case.
Do not touch the glass part of a
bulb with bare hands.
When replacing the rear light bulbs,
turn off the power back door sys-
tem to prevent an unexpected seri-
ous injury.
Vehicles with discharge headlights—
Do not touch the highintensity dis-
charge headlight’s high voltage
socket when the headlights are
turned on. An extremely high volt-
age of 20000 V will be discharged
and could result in serious injury or
death by electric shock.
Do not attempt to take apart or re-
pair the low beam headlight bulbs,
connectors, power supply circuits,
or related components. Doing so
could result in electric shock and
serious injury or death. Call your
Toyota dealer for headlight repair or
servicing, including replacement of
bulbs and bulb disposal.
NOTICE
Only use a bulb of the listed type.
The inside of the lens of exterior lights
such as headlights may temporarily fog up
when the lens becomes wet in the rain or
in a car wash. This is not a problem
because the fogging is caused by the
temperature difference between the outside
and inside of the lens, just like the
windshield fogs up in the rain. However, if
there is a large drop of water on the
inside of the lens, or if there is water
pooled inside the light, contact your
Toyota dealer.
Replacing light bulbs—

08 SIENNA_U (L/O 0801)
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2008 SIENNA from Aug. ’08 Prod. (OM45455U)
SPECIFICATIONS
Specifications
Dimensions and weights548
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Total load capacity 549
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Engine 550
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Fuel 550
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Service specifications 550
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Tires 553
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Fuses 554
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SECTION 8

08 SIENNA_U (L/O 0801)
550
2008 SIENNA from Aug. ’08 Prod. (OM45455U)
Model:2GR −FE
Type: 6 cylinder V type 4 cycle, gasoline
Bore and stroke, mm (in.): 94.0 83.0 (3.70 3.27)
Displacement, cm
3 (cu. in.):
3456 (210.9) Fuel type:
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or higher.
Fuel tank capacity, L (gal., Imp. gal.): 79 (20.9, 17.5) ENGINE
Spark plug type:
DENSO FK20HR11
Spark plug gap, mm (in.): 1.1 (0.043)NOTICE
Use only above spark plugs. Do not
adjust gaps for engine performance or
smooth driveab ility.
ENGINE LUBRICATION
Oil capacity (drain and refill),
L (qt., Imp. qt.):
With filter 6.1 (6.4, 5.4)
Without filter 5.7 (6.0, 5.0)
“Toyota Genuine Motor Oil” is used in
your Toyota vehicle. Use Toyota approved
“Toyota Genuine Motor Oil” or equivalent
to satisfy the following grade and
viscosity.
Oil grade: ILSAC multigrade engine oil
Engine FuelService specifications

08 SIENNA_U (L/O 0801)
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2008 SIENNA from Aug. ’08 Prod. (OM45455U)
TRANSFER
(allwheel drive models)
Oil capacity, L (qt., Imp. qt.):0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL −5
Recommended oil viscosity: Above −18 C (0 F)
SAE 90
Below −18 C (0 F)
SAE 80W or 80W −90
REAR DIFFERENTIAL
(allwheel drive models)
Oil capacity, L (qt., Imp. qt.): 0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL −5
Recommended oil viscosity: Above −18 C (0 F)
SAE 90
Below −18 C (0 F)
SAE 80W or 80W −90 BRAKES
Minimum pedal clearance when depressed
with the force of 490 N (50 kgf, 110 lbf)
with the engine running, mm (in.):
52 (2.0)
Pedal free play, mm (in.): 1—6 (0.04—0.24)
Pad wear limit, mm (in.): 1.0 (0.04)
Lining wear limit, mm (in.): 1.0 (0.04)
Parking brake adjustment when depressed
with the force of 294 N (30 kgf, 66 lbf): 3—5 clicks
Fluid type: SAE J1703 or FMVSS No.116 DOT 3
STEERING
Wheel free play: Less than 30 mm (1.2 in.)
Power steering fluid type: Automatic transmission fluid DEXRON II
or III

08 SIENNA_U (L/O 0801)
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2008 SIENNA from Aug. ’08 Prod. (OM45455U)
Engine compartment
Instrument panel (driver’s side)
Fuses (type A)1. ETCS 10 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system
2. EFI NO. 1 20 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system, “EFI NO. 2” fuse
3. HLP RL 15 A: Right−hand headlight
(low beam)
4. DRL 20 A: Daytime running light sys-
tem, “H −LP RH” and “H −LP LH” fuses
5. ALTS 7.5 A: Charging system
6. HLP LL 15 A: Left−hand headlight
(low beam), front fog lights
Instrument panel (passenger’s side)
7. DOOR NO. 2 25 A: Power door lock
system
8. HAZ 15 A: Turn signal lights, emergen-
cy flashers
9. RAD NO. 3 30 A: Audio system
10. A/F 25 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system
11. HORN 10 A: Horns
12. EFI NO. 2 10 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system
Fuses

08 SIENNA_U (L/O 0801)
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2008 SIENNA from Aug. ’08 Prod. (OM45455U)
13. DOME 10 A: Personal lights, vanity
lights, door courtesy lights, luggage
compartment light, engine switch light,
multi −information display
14. ECUB 10 A: Power sliding door, air
conditioning system, power windows,
multiplex communication system, meter
and gauge, wireless remote control
system
15. RAD NO. 1 15 A: Audio system
16. SPARE 15 A: Spare fuse
17. SPARE 20 A: Spare fuse
18. SPARE 30 A: Spare fuse
19. SPARE 30 A: Spare fuse
20. SPARE 7.5 A: Spare fuse
21. HLP RH 10 A: Right−hand headlight
22. HLP LH 10 A: Left−hand headlight
23. RSE 7.5 A: Rear seat entertainment
system
24. INJ 10 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system
25. MIR HTR 10 A: Outside rear view mir-
ror heaters 26. RAD2 7.5 A:
Audio system, navigation
system, rear seat entertainment system
27. PWR OUTLET 15 A: Power outlets
28. CIG 15 A: Cigarette lighter
29. ECU ACC 7.5 A: Shift lock control
system, air c onditioning system, power
rear view mirror control
30. GAUGE2 7.5 A: Meter and gauge
31. IGN 7.5 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system, SRS airbag system, multiplex
communication system
32. IG2 7.5 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system
33. RR WIP 15 A: Rear window wiper
34. WIP 30 A: Windshield wiper and rear
window wiper
35. GAUGE1 10 A: Back−up lights, turn
signal lights, emergency flashers
36. SHTR 15 A: Seat heaters
37. WSH 20 A: Windshield washer and
rear window washer
38. HTR 10 A: Air conditioning system 39. ECUIG 10 A:
Toyota park assist sys-
tem, rear view monitor system, multi-
plex communication system, multiport
fuel injection system/sequential multi-
port fuel injection system, anti −lock
brake system, traction control system,
vehicle stability control system, shift
lock control system, dynamic laser
cruise control system, seat heaters,
power back door, electronic moon roof,
multi −information display, auto anti−
glare inside rear view mirror, power
windows, power outlets (115 V), power
third seat, driving position memory sys-
tem
40. PANEL 10 A: Air conditioning system,
seat heaters, audio system, navigation
system, power sliding door, power back
door

, multi −information display, rear
window defogger, emergency flashers,
instrument panel lights, steering switch
lights
41. TAIL 10 A: Stop/tail lights, license
plate lights, parking lights, side marker
lights
42. S/ROOF 25 A: Electronic moon roof
43. AC INV 15 A: Power outlets (115 V)
44. FR DEF 15 A: Windshield wiper de−
icer

08 SIENNA_U (L/O 0801)
2008 SIENNA from Aug. ’08 Prod. (OM45455U)
Publication No. OM45455U
Part No. 01999-45455
Printed in Japan 01−0801 −00
(U)
Quick index
 If a service reminder indicator or warning buzzer comes on 191 . . . . . . . .
 If your vehicle will not start 466 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 If your engine stalls while driving 469 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats 470 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
 If you have a flat tire 471 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .
 If your vehicle needs to be towed 490 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during break −in period 420 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine 452 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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 General maintenance 505 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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 Complete index NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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Gas station information
Fuel type:
UNLEADED gasoline, Octane Rating 87 (Research Octane Number 91)
or higher.
See page 420 for detailed information.
Fuel tank capacity:
79 L (20.9 gal., 17.5 Imp. gal.)
Engine oil: ILSAC multigrade engine oil is recommended.
See page 519 for detailed information.
Tire information: See pages 523 through 533.
Tire inflation pressure: See page 553.
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