Lexus 2016 IS 200t Service Manual page 551

Tire related term
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
IS350/300/200t_U (OM53D18U)
9-1. Specifications
Meaning
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
551
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
9