service Lexus IS300 2003 Basic Functions / LEXUS 2003 IS300 (OM53439U) Workshop Manual

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Page 349 of 389

Lexus IS300 2003 Basic Functions / LEXUS 2003 IS300 (OM53439U) Workshop Manual CHASSIS
336If a tire often goes flat or cannot be properly repaired due to the
size or location of a cut or other damage, it should be replaced.
If you are not sure, consult with your Lexus dealer.
If

CHASSIS
336If a tire often goes flat or cannot be properly repaired due to the
size or location of a cut or other damage, it should be replaced.
If you are not sure, consult with your Lexus dealer.
If an air loss occurs while driving, do not continue driving with
a deflated tire. Driving even a short distance can damage a tire
beyond repair.
Any tires which are over 6 years old must be checked by
a qualified technician even if damage is not obvious.
Tires deteriorate with age even if they have never or seldom
been used.
This also applies to the spare tire and tires stored for future
use.
Uniform tire quality grading
This information has been prepared in accordance with
regulations
issued by the National Highway T raffic Safety
Administration of the U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers
of Lexus vehicles with information on uniform tire quality
grading.
Your Lexus dealer will help answer any questions you may
have as you read this information.
DOT quality grades ± All passenger vehicle tires must
conform to Federal Safety Requirements in addition to
these grades. Quality grades can be found where
applicable on the tire sidewall between tread shoulder and
maximum section width. For example: Treadwear 200
Traction AA Temperature A
Treadwear ± The treadwear grade is a comparative rating
based on the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 would wear one and a half (1 ± 1/2)
times as well on the government course as a tire graded 100.
The relative performance of tires depends upon the actual
conditions of their use, however, and may depart significantly
from the norm due to variations in driving habits, service
practices and differences in road characteristics and climate.
Traction AA, A, B, C ± The traction grades, from highest to
lowest, are AA, A, B and C, and they represent the tire's ability
to stop on wet pavement as measured under controlled
conditions on specified government test surfaces of asphalt
and concrete. A tire marked C may have poor traction
performance.
2003 IS300 from Aug. '02 Prod. (OM53439U)

Page 356 of 389

$Lexus IS300 2003 Basic Functions / LEXUS 2003 IS300 (OM53439U) Workshop Manual SECTION 6 ± 4 343 SERVICE PROCEDURES AND SPECIFICATIONS Electrical components Specifications344 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\ . . . . . . Checking bat$

Page 359 of 389

Lexus IS300 2003 Basic Functions / LEXUS 2003 IS300 (OM53439U) Workshop Manual ELECTRICAL COMPONENTS
346
No.FUSEAMPERECIRCUIT
1 D FR P/W20Power window system
2 TAIL10Tail lights, Side marker lights,
License plate lights,
Parking lights
3 GAUGE10
Back±up lights, Power window,
Ga

Page 360 of 389

Lexus IS300 2003 Basic Functions / LEXUS 2003 IS300 (OM53439U) Workshop Manual ELECTRICAL COMPONENTS
347
No.FUSEAMPERECIRCUIT
26 MPX±B10
Power window system,
Air conditioning,
Gauges and meters,
Theft deterrent system
27 P RR P/W20Power window system
28 SRS±B7.5SRS system,

Page 374 of 389

Lexus IS300 2003 Basic Functions / LEXUS 2003 IS300 (OM53439U) Workshop Manual SECTION 6 ± 5
361
SERVICE PROCEDURES AND
SPECIFICATIONS
Body
Specifications (Sedan)362
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications (SportCross) 363
. . .

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