Lexus ES350 Service Manual page 532

532
9-1. Specifications
Tire related term
Reinforced tire
Section width
Sidewall
Sidewall separation
Snow tire
Test rim
Tread
Tread rib
Tread separation
Treadwear indicators (TWI)
Wheel-holding fixture
*
: Table 1  Occupant loading and distribution for vehicle normal load for various des-
ignated seating capacities
Designated seating capac-
ity, Number of occupants
2 through 4
5 through 10
11 through 15
16 through 20
ES350_OM_OM33B64U_(U)
Meaning
A tire designed to operate at higher loads and at higher
inflation pressures than the corresponding standard tire
The linear distance between the exteriors of the side-
walls of an inflated tire, excluding elevations due to
labeling, decoration, or protective bands
That portion of a tire between the tread and bead
The parting of the rubber compound from the cord
material in the sidewall
A tire that attains a traction index equal to or greater
than 110, compared to the ASTM E-1136 Standard Ref-
erence Test Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard Test Method
for Single Wheel Driving Traction in a Straight Line on
Snow-and Ice-Covered Surfaces, and which is marked
with an Alpine Symbol ( ) on at least one sidewall
The rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
That portion of a tire that comes into contact with the
road
A tread section running circumferentially around a tire
Pulling away of the tread from the tire carcass
The projections within the principal grooves designed
to give a visual indication of the degrees of wear of the
tread
The fixture used to hold the wheel and tire assembly
securely during testing
Vehicle normal load, Num-
ber of occupants
2
3
2 in front, 1 in second seat, 1
5
7
I n f o r ma t i o n P r o v i d e d b y :
Occupant distribution in a
normally loaded vehicle
2 in front
2 in front, 1 in second seat
in third seat, 1 in fourth seat
2 in front, 2 in second seat,
2 in third seat, 1 in fourth
seat