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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
Be careful not to bend the electrode
of the controller battery insertion
and that dust or oil does not ad-
here to the transmitter case.
 Close the battery case securely.
After replacing the battery, check that the
controller operates properly. If  the control-
ler still does not operate properly, contact
your Toyota dealer.
You can enjoy the rear seat audio sys-
tem with commercial headphone.
To use the headphones, connect  them to
the jack.
The key must be in the “ACC” or “ON”
position.To adjust the  volume of  the headphones,
turn the knob. Turn right to increase the
volume. Turn left to decrease the volume.
The maximum volume depends on the
type of headphones.
The recommended headphone impedance
is from 16  Ω to 32  Ω.
Please contact your Toyota dealer for fur-
ther details.
CAUTION
Adjust the volume when you connect
the headphones to the jack. Loud
sounds may have a significant impact
on the human body.
—Headphone input j acks 
     
        
        Page 475 of 516
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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
Engine oil selection
“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:API grade SL “Energy −Conserving” or
ILSAC multigrade engine oil
Recommended viscosity: SAE 5W −30
Outside temperature
SAE 5W 30 is the best choice for good
fuel economy and good starting in cold
weather. If SAE 5W 30 is not available, SAE
10W 30 may be used.  However, it
should be replaced with SAE 5W 30 at
the next oil change.
API service symbol
ILSAC certification mark 
     
        
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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
Fuel type:Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or higher.
For improved vehicle performance, the
use of premium unleaded gasoline with
an Octane Rating of 91 (Research Oc-
tane Number 96) or higher is recom-
mended.
Fuel tank capacity, L (gal., Imp. gal.): 79 (21, 17.5) ENGINE
Valve clearance (engine cold), mm (in.):
Intake 0.15—0.25 (0.006—0.010)
Exhaust 0.25—0.35 (0.010—0.014)
Spark plug type: DENSO SK20R11
NGK IFR6A11
Spark plug gap, mm (in.): 1.1 (0.043)
Drive belt tension measured with Bor-
roughs drive belt  tension gauge
No.BT− 33−73F (used belt), Ibf:
Generator belt 125 10
Power  steering pump belt 115 20
ENGINE LUBRICATION
Oil capacity (drain and refill), 
L (qt., Imp. qt.): With filter 4.7 (5.0, 4.1)
Without filter 4.5 (4.8, 4.0)
“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: API grade SL “Energy −Conserving” or
ILSAC multigrade engine oil Recommended oil  viscosity:
SAE 5W −30
Outside temperature
Please contact your Toyota dealer for fur-
ther details.
Fuel Service specifications 
     
        
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2005 SIENNA from Sep. ’04 Prod. (OM45431U)
COOLING SYSTEM
Total capacity, L (qt., Imp. qt.):11.7 (12.4, 10.3)
Coolant type: “Toyota Super Long Life Coolant” is
used in your Toyota vehicle at factory
fill. In order  to avoid  technical problems,
only use “Toyota Super Long Life
Coolant” or similar high quality ethylene
glycol based non −silicate, non −amine,
non− nitrite, and non− borate coolant with
long− life hybrid organic acid technology.
(Coolant with long −life hybrid organic
acid technology is a combination of low
phosphates and organic acids.)
Do not use plain water alone.
Please contact your Toyota dealer for
further details.
BATTERY
Open voltage
∗ at 20 C (68 F):
12.6—12.8 V Fully charged
12.2—12.4 V Half charged
11.8—12.0 V Discharged
∗: Voltage that is checked 20 minutes af- ter the key is removed with all the
lights turned off
Charging rates: 5 A max. AUTOMATIC TRANSAXLE
Fluid capacity (drain and refill), L (qt.,
Imp. qt.):
3.5 (3.7, 3.1)
Fluid type: Toyota Genuine ATF Type T −IV
Change automatic transmission fluid only
as necessary.
Generally, it is necessary to change
automatic transmission fluid only if your
vehicle is driven under one of the Special
Operating Conditions listed in your
“Scheduled Maintenance Guide” or
“Owner ’s Manual Supplement”. When
changing the automatic transmission fluid,
use only “Toyota Genuine ATF Type T −IV”
(ATF JWS3309 or NWS6500) to aid in
assuring optimum transaxle performance.
Notice: Using automatic transmission
fluid other than “Toyota Genuine ATF
Type T IV” may cause deterioration in
shift quality, locking up of  your trans-
mission accompanied by vibration, and
ultimately damage the automatic trans-
mission of your vehicle.
Please contact your Toyota dealer for fur-
ther details. TRANSFER
(all wheel 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
(all wheel 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 
     
        
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05 SIENNA_U (L/O 0409)
2005 SIENNA from Sep. ’04 Prod. (OM45431U)
Publication No. OM45431U
Part No. 01999-45431
Printed in Japan 01−0410 −00
Quick index
 If a service reminder indicator or warning buzzer comes on 175 . . . . . . . . 
 If your vehicle will not start 416 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
 . . 
 If your engine stalls while driving 419 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 If your vehicle overheats 420 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
 . . . . . 
 If you have a flat tire 421 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
 . . . . . . . . 
 If your vehicle needs to be towed 437 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 Tips for driving during break −in period 376 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 How to start the engine 404 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
 . . . . . . 
 General maintenance 453 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
 . . . . . . . . . 
Gas station information
Fuel type:
UNLEADED gasoline, Octane Rating 87 (Research Octane Number 91)
or higher.
See page 376 for detailed information.
Fuel tank capacity:
 79 L (21 gal., 17.5 Imp. gal.)
Engine oil: API grade SL “Energy −Conserving” or ILSAC multigrade engine oil is
recommended.
See page 467 for detailed information.
Tire information:  See pages 471 through 481.
Tire inflation pressure:  See page 499.
gU 5
C