
4818-1. Specifications
8
Vehicle specifications
4RUNNER (U)_(OM35B23U)
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees to
the centerline of the tread
CarcassThe tire structure, except tread and sidewall
rubber which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or
sidewall
CordThe strands forming the plies in the tire
Cord separationThe parting of cords from adjacent rubber
compounds
CrackingAny parting within the tread, sidewall, or inner-
liner of the tire extending to cord material
CT
A pneumatic tire with an inverted flange tire
and rim system in which the rim is designed
with rim flanges pointed radially inward and
the tire is designed to fit on the underside of
the rim in a manner that encloses the rim
flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separationThe parting of the innerliner from cord material
in the carcass
Intended outboard
sidewall
(a) The sidewall that contains a whitewall,
bears white lettering, or bears manufac-
turer, 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 an asym-
metrical tire that has a particular side that
must always face outward when mounted
on a vehicle
Tire related termMeaning

4828-1. Specifications
4RUNNER (U)_(OM35B23U)
Light truck (LT) tire
A tire designated by its manufacturer as pri-
marily 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 ele-
vations due to labeling, decorations, or protec-
tive bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose 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
Ply separationA parting of rubber compound between adja-
cent plies
Pneumatic tire
A mechanical device made of rubber, chemi-
cals, fabric and steel or other materials, that,
when mounted on an automotive wheel, pro-
vides the traction and contains the gas or fluid
that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at substantially 90
degrees to the centerline of the tread
Reinforced tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Tire related termMeaning

4838-1. Specifications
8
Vehicle specifications
4RUNNER (U)_(OM35B23U)
*:Table 1 Occupant loading and distribution for vehicle normal load for
various designated seating capacities
Section width
The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
SidewallThat portion of a tire between the tread and
bead
Sidewall separationThe parting of the rubber compound from the
cord material in the sidewall
Snow tire
A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-
1136 Standard Reference 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
Test rim
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
TreadThat portion of a tire that comes into contact
with the road
Tread ribA tread section running circumferentially
around a tire
Tread separationPulling 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 fixtureThe fixture used to hold the wheel and tire
assembly securely during testing
Tire related termMeaning

513What to do if... (Troubleshooting)
4RUNNER (U)_(OM35B23U)
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. (P. 429)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. (P. 455)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

517Alphabetical index
4RUNNER (U)_(OM35B23U)
Eco Driving Indicator ................ 83
EDR (Event data recorder) ........ 10
Electronic key ............................ 90
Battery-saving function ......... 106
If the electronic key does not
operate properly ................. 446
Replacing the battery ............ 379
Emergency flashers ................ 402
Emergency, in case of
If the electronic key
does not operate
properly .............................. 446
If the engine will not start ...... 442
If the shift lever
cannot be shifted from P .... 444
If the vehicle battery is
discharged .......................... 448
If the warning buzzer
sounds ................................ 413
If the warning light turns
on ....................................... 413
If the warning message
is displayed......................... 422
If you cannot operate
back door opener ............... 445
If you have a flat tire ............. 429
If you think something
is wrong .............................. 411
If your vehicle becomes
stuck ................................... 455
If your vehicle has to be
stopped in an emergency ... 403
If your vehicle needs
to be towed ......................... 405
If your vehicle overheats ....... 452Engine
ACCESSORY mode ............. 195
Compartment ........................ 350
Engine switch ............... 191, 194
Hood ..................................... 349
How to start the
engine ........................ 191, 194
Identification number ............ 459
If the engine will not start ...... 442
Ignition switch
(engine switch) ........... 191, 194
Overheating .......................... 452
Engine coolant......................... 355
Capacity................................ 464
Checking............................... 355
Preparing and checking
before winter ...................... 268
Engine coolant temperature
gauge ....................................... 81
Engine immobilizer system ...... 70
Engine oil ................................. 352
Capacity................................ 461
Checking............................... 352
Preparing and checking
before winter ...................... 268
Engine switch .................. 191, 194
Event data recorder (EDR)........ 10
E

518Alphabetical index
4RUNNER (U)_(OM35B23U)
Flat tire...................................... 429
Floor mats .................................. 26
Fluid
Automatic transmission......... 467
Brake .................................... 467
Power steering ...................... 468
Washer ................................. 363
Fog lights ................................. 210
Replacing light bulbs............. 385
Switch ................................... 210
Wattage ................................ 469
Four-wheel drive
system ............................ 231, 235
Front passenger occupant
classification system .............. 46
Front personal lights ............... 294
Front seats ............................... 119
Adjustment ............................ 119
Cleaning................................ 337
Correct driving posture ........... 28
Driving position memory ....... 132
Head restraints ..................... 136
Seat heaters ......................... 291
Seat position memory ........... 132
Seat ventilators ..................... 291
Front side marker lights.......... 204
Light switch ........................... 204
Replacing light bulbs............. 392
Wattage ................................ 469Front turn signal lights ........... 202
Replacing light bulbs ............ 390
Turn signal lever ................... 202
Wattage ................................ 469
Fuel ........................................... 218
Capacity................................ 460
Fuel gauge.............................. 81
Fuel pump shut off system ... 412
Information............................ 470
Refueling .............................. 218
Type.............................. 218, 460
Warning light......................... 415
Fuel filler door ......................... 218
Refueling .............................. 218
Fuel pump shut off system..... 412
Fuses ........................................ 382
Garage door opener ................ 320
Gauges ....................................... 81
Glove box ................................. 297
Grocery bag hooks.................. 306
F
G

524Alphabetical index
4RUNNER (U)_(OM35B23U)
Side mirrors ............................. 143
Adjusting and folding ............ 143
Side turn signal lights ............. 202
Slide deck ................................. 306
Smart key system .................... 103
Antenna location ................... 103
Entry functions ........................ 96
Starting the engine................ 194
Snow tires ................................ 271
Spare tire .................................. 429
Inflation pressure .................. 468
Storage location .................... 430
Spark plug ................................ 464
Specifications .......................... 458
Speedometer .............................. 81
Steering lock ............................ 196
Column lock release ............. 197
Steering lock system
warning message ............... 428
Steering wheel ......................... 139
Adjustment ............................ 139
Storage feature ........................ 296
Storage precautions ................ 171Stuck
If the vehicle becomes
stuck ................................... 455
Sun visors ................................ 308
Switches
Cruise control switch ............ 221
“DISP” button .......................... 84
Door lock switches.................. 98
Driving position memory
switches ............................. 132
Emergency flashers switch ... 402
Engine switch ............... 191, 194
Fog light switch ..................... 210
Garage door opener
switches ............................. 320
Ignition switch ............... 191, 194
Light switches ....................... 204
Moon roof switches............... 152
Outside rear view mirror
switches ............................. 143
Power back window
switch ................................. 148
Power door lock switch ........... 98
Power window switches........ 145
Rear window and outside
rear view mirror defoggers
switch ......................... 280, 286
Rear window wiper and
washer switch..................... 215

525Alphabetical index
4RUNNER (U)_(OM35B23U)
Seat heater switches ............ 291
Seat ventilator switches ........ 291
“SOS” button ......................... 327
Telephone switches
*
VSC OFF switch ................... 261
Window lock switch............... 145
Windshield wipers
and washer switch .............. 212Tachometer ................................ 81
Tail lights.................................. 204
Light switch ........................... 204
Telephone switches*
Theft deterrent system
Alarm ...................................... 72
Engine immobilizer system ..... 70
Tire inflation pressure............. 371
Maintenance data ................. 468
Warning light......................... 416
Tire information ....................... 473
Glossary ............................... 479
Size....................................... 475
Tire identification number ..... 474
Uniform Tire Quality
Grading .............................. 477
Tire pressure warning
system.................................... 367
Function ................................ 367
Installing tire pressure warning
valves and transmitters ...... 367
Registering ID codes ............ 367
Warning light......................... 416
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.