610
SIENNA_OM_OM08013U_(U)
9-1. Specifications
Tire information
Run-flat tire or full-size tire
Compact spare tire
Typical tire symbols
SIENNA_OM_OM08013U_(U)
6119-1. Specifications
9
Vehicle specifications
Tire size( P. 612)
DOT and Tire Identification Number (TIN) ( P. 612)
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Location of treadwear indicators ( P. 492)
Run-flat tire (RFT) or standard tire ( P. 566)
This vehicle can be equipped with ei ther run-flat tires (RFT) or stan-
dard tires. A “RFT” or “DSST” mark is molded on the sidewall of the
run-flat tire.
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL”
is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire.
A tube type tire has a tube inside the tire and the tube maintains the air
pressure.
Load limit at maximum cold tire inflation pressure ( P. 495)
Maximum cold tire inflation pressure ( P. 604)
This means the pressure to which a tire may be inflated.
Summer tires or all season tires ( P. 496)
An all season tire has “M+S” on the sidewall. A tire not marked “M+S”
is a summer tire.
“TEMPORARY USE ONLY” ( P. 579)
A compact spare tire is identified by the phrase “TEMPORARY USE
ONLY” molded on its sidewall. This tire is designed for temporary
emergency use only.
1
2
3
4
5
6
7
8
9
10
11
12
612
SIENNA_OM_OM08013U_(U)
9-1. Specifications
DOT symbol*
Tire Identification Number (TIN)
Tire manufacturer’s identifica-
tion mark
Tire size code
Manufacturer’s optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*: The DOT symbol certifies that the tire conforms to applicable Federal
Motor Vehicle Safety Standards.
■Typical tire size information
The illustration indicates typical tire size.
Typical DOT and Tire Identification Number (TIN)
1
2
3
4
5
6
Tire size
7
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 dig-
its)
Speed symbol
(alphabet with one letter)
Run-flat tire code1
2
3
4
5
6
7
8
SIENNA_OM_OM08013U_(U)
6179-1. Specifications
9
Vehicle specifications
RimA metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter
(Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer’s designation for a
rim by style or code
Rim width Nominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity) The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire The load on an individual tire that is deter-
mined by distributing to each axle its share of
the maximum loaded vehicle weight, and
dividing by two
Vehicle normal load
on the tire The load on an individual tire that is deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
* below), and dividing by two
Weather side The surface area of the rim not covered by the
inflated tire
Bead The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separation A breakdown of the bond between compo-
nents in the bead
Bias ply tire A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees to
the centerline of the tread
Carcass The tire structure, except tread and sidewall
rubber which, when inflated, bears the load
Chunking The breaking away of pieces of the tread or
sidewall
Cord The strands forming the plies in the tire
Tire related termMeaning
632
SIENNA_OM_OM08013U_(U)
9-3. Initialization
Items to initialize
The following items must be initialized for normal system opera-
tion after such cases as the battery being reconnected, or main-
tenance being performed on the vehicle.
ItemWhen to initializeReference
Power sliding door
(if equipped) After reconnecting or changing the
battery
P. 128
Power back door
(if equipped) After reconnecting or changing the
battery
P. 138
Message indicating
maintenance is
required (U.S.A. only) After the maintenance is performed P. 471
Tire pressure
warning system
When changing the tire size
P. 493
665Alphabetical index
SIENNA_OM_OM08013U_(U)
Tachometer ................................ 88
Tail lightsLight switch ........................... 239
Replacing light bulbs ................... 524, 526, 527
Wattage ................................ 606
Talk switch
*............................. 401
Telephone switch
*.................. 380
Theft deterrent system Alarm ...................................... 77
Engine immobilizer system ..... 75
Tire inflation pressure ............. 500 Maintenance data ................. 604
Warning light ......................... 543
Tire pressure warning system
Function ................................ 493
Initializing .............................. 493
Installing tire pressure warning valves and
transmitters......................... 493
Registering ID codes ............ 494
Tire pressure warning reset switch ........................ 493
Warning light ......................... 543
Warning message ................. 554 Tires
Chains .................................. 314
Checking............................... 492
Glossary ............................... 616
If you have a flat tire ..... 566, 568
Inflation pressure .................. 500
Information............................ 610
Replacing.............................. 568
Rotating tires ........................ 492
Size....................................... 604
Snow tires ............................. 313
Tire identification number ..... 612
Tire pressure warning system .......... ...................... 493
Uniform Tire Quality Grading .............................. 614
Warning light......................... 543
Tools ......................................... 571
Total load capacity .................. 598
Towing Dinghy towing ....................... 224
Emergency towing ................ 535
Trailer towing ........................ 210
Traction control ....................... 293
TRAC (Traction Control) Function ................................ 293
TRAC OFF switch................. 294
Trailer towing ........................... 210
Trip meter ................................... 88
Turn signal lights Replacing light bulbs........... 521, 522, 525, 527
Turn signal lever ................... 237
Wattage ................................ 606
T
5 H I H U W R ³ 1 $ 9 , * $ 7 , 2 1 $ 1 ' 0 8 / 7 , 0 ( ' , $
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