flat tire TOYOTA IQ 2014 Service Manual

338 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 by two
Weather sideThe surface area of the rim not covered by the
inflated tire

339
6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between components
in the bead
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 cen-
terline 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 com-
pounds
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

340 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 an asymmet- rical 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

341
6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
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
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
Te s t r i m
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire

345
6-2. Customization
6
Vehicle specifications
Items to initialize
ItemWhen to initializeReference
Maintenance dataAfter the maintenance is per-
formedP. 190
Tire pressure warning
system
• When rotating the tires on vehi-cles with differing front and rear
tire inflation pressures
• When changing the tire size
P. 223
The following items must be initia lized for normal system operation
after such cases as the battery being reconnected, or maintenance
being performed on the vehicle.

365
Alphabetical index
Eco driving indicator
light ........................ 105, 124, 129
Electric power steering Electric power steering ......... 141
Warning light ........................ 279
Emergency flashers Switch ................................... 268
Emergency, in case of
If the engine will not start...... 305
If the shift lever cannot be shifted from P ..................... 307
If the vehicle battery is discharged ......................... 309
If the warning buzzer
sounds ............................... 277
If the warning light turns on ....................................... 277
If you have a flat tire ............ 288
If you lose your keys............. 308
If you think something is wrong ................................. 275
If the vehicle becomes stuck................................... 315
If your vehicle has to be stopped in an emergency... 317
If your vehicle needs to be
towed ................................. 269
If your vehicle overheats ...... 312
Emergency tire puncture
repair kit................................. 288
Engine Compartment........................ 210
Engine switch ....................... 113
Hood ..................................... 199
How to start the engine ........ 113
Identification number ............ 321
If the engine will not start...... 305
Ignition switch ....................... 113
Immobilizer system................. 62
Overheating .......................... 312 Specifications ........................322
Warning light .........................279
Engine coolant Capacity ................................324
Checking ...............................215
Indicator ................................124
Preparing and checking before winter .......................151
Type ......................................324
Warning light .........................278
Engine immobilizer system.......62
Engine oil
Capacity ................................323
Checking ...............................211
Grade ....................................323
Preparing and checking before winter .......................151
Reset the maintenance data .....................................190
Warning light .................278, 280
Engine switch ...........................113
EPS EPS .......................................141
Warning light .........................279
Event data recorder ...................19
Floor mat...................................179
Fluid Automatic transmission .........326
Brake .....................................217
Warning light .................277, 280
Washer ..................................220
Front passenger’s seat belt reminder light.........................280
Front seats Adjustment ..............................37
Front side marker lights
Replacing light bulbs .............255
Switch....................................132
Wattage .................................328E
F

369
Alphabetical index
Stop lights
Replacing light bulbs ............ 255
Wattage ................................ 328
Storage features Auxiliary boxes ............. 171, 174
Bottle holders ............... 171, 173
Cup holders .................. 171, 172
Storage precautions ............... 148
Stuck
If the vehicle becomes stuck................................... 315
Sun visors ................................ 175
Switch Emergency flashers
switch ................................. 268
Engine switch ....................... 113
Hazard lights switch ............. 268
Headlights switch ................. 132
Ignition switch ....................... 113
Instrument panel light control ................................ 122
Light switch........................... 132
Outside rear view mirror switch ................................... 52
Power door lock switch........... 30
Power window switch ............. 55
Turn signal lights .................. 117
VSC OFF switch ................... 143
Window lock switch ................ 55
Wiper and washer ........ 136, 139 Tachometer...............................121
Tail lights
Replacing light bulbs .............255
Switch....................................132
Wattage .................................328
Theft deterrent system Engine immobilizer system .....62
Theft prevention labels ............64
Theft prevention labels..............64
Tire inflation pressure .............230
Tire information Glossary ................................337
Size .......................................334
Tire identification number ......333
Uniform tire quality grading ................................335
Tires
Chains ...................................152
Checking ...............................222
If you have a flat tire ..............288
Identification number .............332
Inflation pressure...........230, 327
Inflation pressure sensor .......223
Information ............................332
Replacing ......................204, 222
Rotating tires .........................222
Size .......................................327
Snow tires .............................151
Tire pressure warning system ........................222, 280
Warning light .........................280
Tools .........................................288
Total load capacity...................150
Towing Dinghy towing........................156
Emergency towing.................269
Trailer towing.........................155T

370 Alphabetical index
Traction control........................ 141
TRAC ......................................... 141
Trip information ....................... 127
Trip meter ................................. 127
Turn signal lightsIndicator ................................ 124
Lever ..................................... 117
Replacing light bulbs ............. 255
Switch.................................... 117
Wattage ................................. 328
USB port ................................... 167
Vanity mirrors........................... 176
Vehicle data recordings ............18
Vehicle identification number ................................... 321
Vehicle stability control........... 141
VSC............................................ 141
Warning buzzers
Brake system ........................ 277
Seat belt reminder ................. 280
Warning lights ABS ....................................... 279
Airbag system ....................... 279
Anti-lock brake system .......... 279
Brake system ........................ 277
Charging system .... ............... 278
Driver’s seat belt ................... 280
Electric power steering system ................................ 279
Electronic engine control system ................................ 279
Engine oil replacement.......... 280
EPS system........................... 279 Front passenger occupant
classification system ........... 279
Front passenger’s seat belt... 280
High engine coolant temperature ........................ 278
Low brake fluid ...................... 277
Low engine oil pressure ........ 278
Low fuel level ........................ 280
Low tire inflation pressure ..... 280
Low washer fluid ................... 280
Malfunction............................ 279
Open door ............................. 280
Seat belt ................................ 280
Seat belt pretensioner system ................................ 279
SRS....................................... 279
SRS airbag system ............... 279
Tire pressure ......................... 280
Tire pressure warning system ................................ 280
VSC OFF .............................. 279
Washer Checking ............................... 220
Preparing and checking
before winter ....................... 151
Switch ........................... 136, 139
Warning light ......................... 280
Washing and waxing ............... 184
Weight Cargo capacity ...................... 146
Load limits ............................. 150
Weight ................................... 320
Wheels ...................................... 234
Window glasses ............ 55, 164, 184, 187
Window lock switch................... 55
U
V
W

372
What to do if...
What to do if...
A tire puncturesP. 288If you have a flat tire
The engine does not start
P. 305If the engine will not start
P. 6 2Engine immobilizer system
P. 309If the vehicle battery is discharged
The shift lever cannot be
moved outP. 307If the shift lever cannot be shifted
from P
The engine coolant temperature
warning light flashes or comes on
Steam can be seen coming
from under the hood
P. 312If your vehicle overheats
The key is lostP. 308If you lose your keys
The battery runs outP. 309If the vehicle battery is discharged
The doors cannot be lockedP. 3 0Side doors
The vehicle is stuck in
mud or sandP. 315If the vehicle becomes stuck
The warning light or indicator
light comes onP. 277If a warning light turns on

376
GAS STATION INFORMATION
Auxiliary catch leverP. 199Fuel filler doorP. 5 8Hood lock release lever P. 199
Fuel filler door openerP. 5 8Tire inflation pressure
P. 327
Fuel tank capacity
(Reference) 8.5 gal. (32.0 L,
7.0 Imp.gal.)
Fuel type Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or higher
Cold tire inflation
pressure
P. 3 2 7
Engine oil capacity
(Drain and refill
- reference)qt. (L, Imp.qt.)
With filter 3.7 (3.5, 3.1)
Without filter 3.5 (3.3, 2.9)
Engine oil type Toyota Genuine Motor Oil or equivalent
Oil grade: P. 323
ILSAC GF-5 multigrade engine oil
Recommended oil viscosity: SAE 0W-20