2003 TOYOTA SIENNA fuel

03 SIENNA_U (L/O 0207)
3212003 MY SIENNA (OM45410U)
SPECIFICATIONS
Dimensions and weight322
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. .
Engine 322
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . .
Fuel 323
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . .
Service specifications 323
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . .
Tires 325
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . .
Fuses 326
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . .
SECTION 8

03 SIENNA_U (L/O 0207)
3232003 MY SIENNA (OM45410U)
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.BT3373F (used belt), Ibf: Generator belt 125 10
Power steering pump belt 115 20
ENGINE LUBRICATION
Oil capacity (drain and ref ill),
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 f illed 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 “EnergyConserving” or
ILSAC multigrade engine oil Recommended oil viscosity:
SAE 5W30
Outside temperature
Please contact your Toyota dealer for fur-
ther details.
COOLING SYSTEM
Total capacity, L (qt., Imp. qt.):10.4 (11.0, 9.2)
Coolant type: “Toyota Genuine Long Life Coolant” is
filled in your Toyota vehicle. In order to
avoid technical problems, we strongly
recommend using “Toyota Genuine Long
Life Coolant” or equivalent.
Fuel Service specifications

03 SIENNA_U (L/O 0207)
3262003 MY SIENNA (OM45410U)
Engine compartment
(with towing package)Engine compartment
(without towing package)
Engine compartment
Fuses (type A)1. SEAT HTR 20 A: Seat heaters
2. A/F HTR 25 A: Air fuel ratio sensor
3. SPARE 10 A: Spare fuse
4. SPARE 15 A: Spare fuse
5. SPARE 30 A: Spare fuse
6. ALTS 5 A: Charging system
7. HEAD (RH) 15 A: Righthand headlight
(high beam)
8. EFI 15 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system
Fuses

03 SIENNA_U (L/O 0207)
3272003 MY SIENNA (OM45410U)
Instrument panel
9. HORN 10 A: Horn, theft deterrent sys-
tem
10. HAZARD 10 A: Emergency flashers
11. AM2 30 A: “IGN” and “STARTER”
fuses
12. HEAD (LH) 15 A: Lefthand headlight
(high beam)
13. RADIO NO.1 20 A: Car audio system
Instrument panel
14. DOME 10 A: Clock, personal lights,
vanity mirror lights, door courtesy
lights, luggage compartment light, open
door warning light, ignition switch light,
theft deterrent system, daytime running
light system, interior lights, air condi-
tioning system, wireless remote control,
garage door opener
15. ECUB 10 A: Cruise control system,
SRS warning light, power sliding door
16. FOG 20 A: Front fog lights
17. ABS NO.3 25 A: Vehicle skid control
system 18. ABS NO.2 25 A:
Vehicle skid control
system
19. HLP LH (LO) 10 A: Lefthand head-
light (low beam)
20. HLP RH (LO) 10 A: Righthand head-
light (low beam)
21. ABS NO.4 5 A: Vehicle skid control
system
22. HEATER 10 A: Air conditioning system,
rear window defogger
23. GAUGE 10 A: Gauges and meters,
service reminder indicators and warning
buzzers (except discharge and open
door warning light), power windows,
daytime running light system, backup
lights, power sliding door, auto anti
glare inside rear view mirror, compass
24. WIPER 25 A: Windshield wipers and
washer, rear window wiper and washer
25. MIRRORHEATER 10 A: Multiport fuel
injection system/sequential multiport
fuel injection system, outside rear view
mirror defogger
26. ECUIG 15 A: Cruise control system,
antilock brake system, vehicle skid
control system, locking with wireless
remote control system, theft deterrent
system

03 SIENNA_U (L/O 0207)
3282003 MY SIENNA (OM45410U)
27. IGN 5 A: Gauges and meters, charging
system, SRS airbag system, seat belt
pretensioners, multiport fuel injection
system/s equential multiport fuel injec-
tion system
28. STOP 15 A: Stop lights, cruise control
system, highm ounted stoplight, tail
lights
29. TAIL 10 A: Parking lights, front side
marker lights, license plate lights, tail
lights, power sliding door
30. PWRVENT 15 A: Power rear quarter
windows
31. OBD 7.5 A: Onboard diagnosis sys-
tem
32. PWROUTLET 15 A: Power outlets
33. STARTER 5 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system
34. DOOR 25 A: Power door lock system,
theft deterrent system
35. PANEL 7.5 A: Gauge and meter, car
audio system, clock, air conditioning
system, instrument p anel light control,
rear window defogger, electronically
controlled automatic transmission sys-
tem, emergency flashers, parking
lights, seat heaters, power rear quarter
windows, power sliding door 36. TURN 7.5 A:
Turn signal lights, emer-
gency flashers
37. RADIO NO.2 7.5 A: Car audio system
38. CIG 15 A: Cigarette lighter, clock, pow-
er rear view mirror controls, SRS air-
bag system, seat belt pretensioners,
backup lights, theft deterrent system,
air conditioning system
39. A /C 5 A: Front air conditioning system
Fuses (type B)
40. CDS 40 A: Electric cooling fans
41. RDI 40 A: Electric cooling fans
42. CDS 30 A: Electric cooling fans
43. RDI 30 A: Electric cooling fans
44. MAIN 40 A: Daytime running light sys-
tem, “HLP RH (LO)” and “HLP LH
(LO)” fuses
45. R /R A /C 40 A: Rear air conditioning
system
46. HTR 50 A: Front air conditioning sys-
tem
47. PWR SLD 30 A: Power sliding door
(left side)
48. Rr CLR 40 A: Rear air conditioning
system
49. DEF 30 A: Rear window defogger,
“MIRRORHEATER” fuse 50. PWR 30 A:
Power windows, electric
moon roof, power seat, power sliding
door (right side), “PWRVENT” fuse
51. AM1 40 A: “CIG”, “RADIO NO.2”,
“ECUIG”, “WIPER”, “HEATER”,
“GAUGE” and “TURN” fuses
Fuses (type C)
52. ALT 140 A: Charging system, “FL
ABS”, “INP”, “HTR” and “R/R A/C”
fuses
53. INP 100 A: “AM1” and “DEF” fuses
54. FL ABS 60 A: Antilock brake system

03 SIENNA_U (L/O 0207)
2003 MY SIENNA (OM45410U)
Publication No. OM45410U
Part No. 01999-45410
Printed in Japan 01−0207 −00
(U)
Quick index
 If a service reminder indicator or warning buzzer comes on 139 . . . . . . . .
 If your vehicle will not start 254 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 If your engine stalls while driving 257 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats 257 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
 If you have a flat tire 258 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .
 If your vehicle needs to be towed 269 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during break −in period 226 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine 242 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
 General maintenance 283 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . .
Gas station information
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 Octane Number 96) or higher is
recommended.
See page 226 for detailed information.
Fuel tank capacity:
79 L (21 gal., 17.5 lmp. gal.)
Engine oil: API grade SL “Energy −Conserving” or ILSAC multigrade engine oil is
recommended.
See page 297 for detailed information.
Automatic transmission fluid: Toyota Genuine ATF D −II or DEXRON III (DEXRON II)
See page 324 for detailed information.
Tire information: See pages 301 through 307.
Tire pressure: See page 325.
gU8
I