551
9-1. Specifications
9
Vehicle specifications
IS350/300/200t_U (OM53D18U)
*:Table 1 Occupant loading and distribution for vehicle normal load for various des-
ignated seating capacities
Trea d
That portion of a tire that comes into contact with the
road
Trea d r ib A tread section running circumferentially around a tire
Tread separation Pulling away of the tread from the tire carcass
Treadwear indicators (TWI)
The projections within the principal grooves designed
to give a visual indication of the degrees of wear of the
tread
Wheel-holding fixture
The fixture used to hold the wheel and tire assembly
securely during testing
Tire related term Meaning
Designated seating capac-
ity, Number of occupants
Vehicle normal load, Num-
ber of occupants
Occupant distribution in a
normally loaded vehicle
2 through 4 2 2 in front
5 through 10 3 2 in front, 1 in second seat
11 through 15 5
2 in front, 1 in second seat, 1
in third seat, 1 in fourth seat
16 through 20 7
2 in front, 2 in second seat,
2 in third seat, 1 in fourth
seat