Page 358 of 388

358 6-1. Specifications
Tire related termMeaning
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular pro-
duction 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 occu-
pant weight (distributed in accordance with
Ta b l e 1
* below), and dividing it by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Page 360 of 388

360 6-1. Specifications
Tire related termMeaning
Intended outboard
sidewall
(a)The sidewall that contains a whitewall, bears white lettering, or bears manufacturer,
brand, and/or model name molding that is
higher or deeper than the same molding on
the other sidewall of the tire, or
(b)The outward facing sidewall of asymmetrical tire that has a particular side that must
always face outward when mounted on a
vehicle
Light truck (LT) tire
A tire designated by its manufacturer as prima-
rily intended for use on lightweight trucks or
multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which
a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of
the sidewalls of an inflated tire, including eleva-
tions due to labeling, decorations, or protective
bands or ribs
Passenger car tire
A tire intended for use on passenger cars, mul-
tipurpose passenger vehicles, and trucks, that
have a gross vehicle weight rating (GVWR) of
10,000 lb. or less
PlyA layer of rubber-coated parallel cords
Page 374 of 388
374
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
ABS Anti-Lock Brake System
ACC Accessory ALR Automatic Locking Retractor
CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder ELR Emergency Locking Retractor
EPS Electric Power Steering
GAWR Gross Axle Weight Ratings
GVWR Gross Vehicle Weight Rating I/M Emission inspection and maintenance
LED Light Emitting Diode LT Light truck
M + S Mud + Snow MMT Methylcy clopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether
OBD On Board DiagnosticsSRS Supplemental Restraint System TIN Tire Identification Number
TPMS Tire Pressure Warning System TWI Treadwear IndicatorsVIN Vehicle Identification Number
Page 381 of 388

381
Alphabetical index
Uniform tire quality
grading ............................... 355
Tires Chains .................................. 151
Checking .............................. 252
If you have a flat tire ............. 310
Identification number ............ 350
Inflation pressure .......... 258, 345
Inflation pressure sensor ...... 253
Information ........................... 350
Replacing ..................... 252, 310
Rotating tires ........................ 252
Size ...................................... 345
Snow tires............................. 151
Spare tire .............................. 310
Tire pressure warningsystem........................ 252, 303
Warning light ........................ 303
Tools......................................... 310
Total load capacity .................. 150
Towing Dinghy towing ............... 164, 165
Emergency towing ................ 290
Trailer towing ................ 155, 156
Trip meter................................. 132
Turn signal lights Indicator................................ 126
Lever .................................... 126
Replacing light bulbs ............ 280
Switch ................................... 126
Wattage ................................ 346
Vanity mirrors .......................... 214
Vehicle identification number................................... 339
Warning buzzers Brake system........................ 300
Seat belt reminder ................ 303
Warning lights ABS ...................................... 301
Airbag system....................... 301 Anti-lock brake system ..........301
Brake system ........................300
Charging system ....
...............301
Driver’s seat belt ...................303
Electric power steering system ................................301
Electronic engine control system ................................301
Engine oil replacement..........303
EPS system...........................301
Front passenger occupant classification system ........... 301
Front passenger’s seat belt ...303
High engine coolant temperature ........................301
Low brake fluid ......................300
Low engine oil pressure ........301
Low fuel level ........................303
Low tire inflation pressure .....303
Low washer fluid ...................303
Malfunction ............................301
Open door .............................303
Seat belt ................................303
Seat belt pretensioner system ................................301
SRS .......................................301
SRS airbag system ...............301
Tire pressure .........................303
Tire pressure warning
system ................................303
Washer Checking ...............................250
Preparing and checking
before winter .......................151
Switch....................................142
Warning light .........................303
Washing and waxing ...............222
Weight Cargo capacity ......................147
Load limits .............................150
Weight ...................................338
Wheels ......................................262
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