2009 TOYOTA TUNDRA tire size

623
6-1. Specifications
6
Vehicle specifications
Typical DOT and tire identification number (TIN)
DOT symbol
*
Tire Identification Number
(TIN)
Tire manufacturer’s
identification mark
Tire size code
Manufacturer’s optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*:The DOT symbol certifies thatthe tire conforms to applicable
Federal Motor Vehicle Safety
Standards.
Radial tires or bias-ply tires
A radial tire has RADIAL on the sidewall. A tire not marked RADIAL
is a bias-ply tire.
Summer tire or all season tire ( P. 497)
An all season tire has M+S on the sidewall. A tire not marked M+S
is a summer tire.

624 6-1. Specifications
Tire size■ Typical tire size information
The illustration indicates typical
tire size.
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 digits)
Speed symbol
(alphabet with one letter)
■ Tire dimensions
Section width
Tire height
Wheel diameter

628 6-1. Specifications
Tire related termMeaning
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
* that
follows
Occupant distributionDistribution of occupants in a vehicle as
specified in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular
production options weighing over 5 lb. (2.3 kg)
in excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
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 designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal 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 determined
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 determined
by distributing to each axle its share of curb
weight, accessory weight, and normal
occupant weight (distr ibuted in accordance
with Table 1
* below), and dividing it by two

636
6-2. Customization
Items to initialize
ItemWhen to initializeReference
Moon roof
• After reconnecting or changing the battery
• After changing a fuse
P. 9 9
Engine oil maintenance
dataAfter changing engine oilP. 483
Tire pressure warning sys-
tem
• When rotating the tires on vehi- cles differing with front and rear
tire inflation pressures.
• When changing the tire inflation pressure by changing traveling
speed or load weight, etc.
• When changing the tire size.
P. 494
The following items must be initia lized for normal system operation
in cases such as after the battery is reconnected, or maintenance is
performed on the vehicle.

663
Alphabetical index
Steering
Column lock release ............... 83
Steering wheel Adjustment ............................. 83
Audio switches ..................... 327
Steering wheel memory.......... 68
Telephone switches.............. 365
Stop lights
Replacing light bulbs ............ 528
Wattage ................................ 617
Storage feature ........................ 398
Storage precautions ............... 243
Stuck If your vehicle becomes
stuck................................... 588
Sun visors ................................ 424
Switch Cruise control switch ............ 214
Emergency flasher switch .... 534
Engine switch ....................... 177
Fog light switch..................... 210
Front-wheel drive control switch ................................. 223
Ignition switch ....................... 177
Light switches ....................... 207
Hazard light switch ............... 534
Headlights switch ................. 207
Passenger airbag off switch ................................. 127
Power back window switch..... 97
Power door lock switch........... 48
Power window switch ............. 94
Roll sensing of curtain shield airbag off switch ................. 129
Tire pressure warning
reset switch ........................ 495
TOW/HAUL switch ............... 183
Turn signal lights .................. 185
VSC OFF switch ... 227, 232, 233
Window lock switch ................ 95
Wiper and washer switch ..... 211 Tachometer...............................188
Tailgate
Removing the tailgate .............53
Tailgate ...................................52
Tail lights
Replacing light bulbs .............528
Switch....................................207
Wattage .................................617
Talk switch................................365
Telephone switch .....................365
Theft deterrent system Alarm .....................................110
Engine immobilizer system ... 108
Theft prevention labels............112
Tire inflation pressure .............501
Tire information Glossary ................................627
Size .......................................624
Tire identification number ......623
Uniform tire quality
grading ................................625
Tires Chains ...................................247
Checking ...............................494
Identification number .............623
If you have a flat tire ..............558
Inflation pressure...........501, 615
Information ............................622
Inflation pressure sensor .......495
Replacing ..............................558
Rotating tires .........................494
Size .......................................615
Snow tires .............................246
Tire pressure warning reset switch .........................495
Tire pressure warning system ........................494, 548
Warning light .........................548
Tissue pocket ...........................411
Tools .........................................558
Total load capacity...................244
TOW/HAUL switch ...................183T