Toyota Mirai (2022 year). Manual in english — page 30
484
9-1. Specifications
Electric motor (traction motor)
Type
Permanent magnet synchronous
motor
Maximum output
134 kW
Maximum torque
221.3 ft•lbf (300 N•m, 30.6 kgf•m)
Traction battery
Type
Lithium-ion battery
Voltage
3.7 V/cell
Capacity
4.0 Ah
Quantity
84 cells
Nominal voltage
310.8 V
Cooling system
Capacity
*
Fuel cell
stack
17.3 qt. (16.4 L, 14.4 Imp. qt.)
Inverter
4.2 qt. (4.0 L, 3.5 Imp. qt.)
485
9-1. Specifications
9
Vehicle
specifications
*
: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Toyota dealer.
Coolant
type
Fuel cell
stack
“Toyota Genuine FC Stack Coolant”
In order to safely cool the fuel cell stack, which
is at high voltages, the fuel cell stack coolant is
an exclusive high insulation product.
Never use water or other kinds of coolants as
they will cause damage.
Coolant changes are unnecessary.
Do not reuse coolant that has been removed
from the radiator.
Coolant is colorless.
Consult your Toyota dealer about replenishing
or changing the fuel cell stack coolant.
Inverter
Use either of the following:
“Toyota Super Long Life Coolant”
Similar high-quality ethylene glycol-based non-
silicate, non-amine, non-nitrite, and non-borate
coolant with long-life hybrid organic acid tech-
nology
Do not use plain water alone.
NOTICE
■
Fuel cell stack coolant
The fuel cell stack coolant is exclusive for fuel cell stack usage. Damage
may occur when water or any other type of coolant is used, so never use
any other fluid.
If the fuel cell stack coolant is low, immediately contact your Toyota dealer.
486
9-1. Specifications
*
: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Toyota dealer.
*1
:Minimum pedal clearance when depressed with a force of 112 lbf (500 N,
51 kgf) while the fuel cell system is operating.
When performing the brake pedal inspection, also be sure to check that
Electrical system (12-volt battery)
Open voltage at 68°F (20°C):
12.0 V or higher
(Turn the power switch off and turn on the
high beam headlights for 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Transmission
Fluid capacity
*
5.9 qt. (5.6 L, 4.9 Imp. qt.)
Fluid type
Toyota Genuine ATF WS
NOTICE
■
Transmission fluid type
Using transmission fluid other than the above type may cause abnormal
noise or vibration, or damage the transmission of your vehicle.
Brakes
Pedal clearance
*1
4.0 in. (102 mm) Min.
Pedal free play
0.04
0.24 in. (1
6 mm)
Brake pad wear limit
0.04 in. (1 mm)
Parking brake lining wear limit 0.04 in. (1 mm)
Parking brake indicator
*2
When pulling the parking brake switch for
1 to 2 seconds: comes on
When pushing the parking brake switch for
1 to 2 seconds: turns off
Fluid type
FMVSS No.116 DOT 3 or SAE J1703
FMVSS No.116 DOT 4 or SAE J1704
487
9-1. Specifications
9
Vehicle
specifications
the brake system warning light is not illuminated when the fuel cell sys-
tem is operating. (If the brake system warning light is illuminated, refer to
P.441.)
*2
:Make sure to confirm that the brake warning light (yellow) does not illumi-
nate. (If the brake warning light illuminates, refer to P.441.)
19-inch tires
20-inch tires
Steering
Free play
Less than 1.2 in. (30 mm)
Tires and wheels
Tire size
235/55R19 101V
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Wheel size
19
8J
Wheel nut torque
103 ft•lbf (140 N•m, 14.3 kgf•m)
Tire size
245/45ZR20 103Y
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2
or bar)
Wheel size
20
8 1/2J
Wheel nut torque
103 ft•lbf (140 N•m, 14.3 kgf•m)
488
9-1. Specifications
Tire size (
DOT and Tire Identification Number (TIN) (
Location of treadwear indicators (
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a
bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A
tube type tire has a tube inside the tire and the tube maintains the air pres-
sure.
Load limit at maximum cold tire inflation pressure (
Maximum cold tire inflation pressure (
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires (
Tire information
Typical tire symbols
489
9-1. Specifications
9
Vehicle
specifications
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a
summer tire.
Type A
DOT symbol
*
Tire Identification Number
(TIN)
Tire manufacturer’s identifi-
cation mark
Tire size code
Manufacturer’s optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*
: The DOT symbol certifies that the
tire conforms to applicable Fed-
eral Motor Vehicle Safety Stan-
dards.
Type B
DOT symbol
*
Tire Identification Number
(TIN)
Tire manufacturer’s identifi-
cation mark
Manufacturer’s code
Manufacturing week
Manufacturing year
*
: The DOT symbol certifies that the
tire conforms to applicable Fed-
eral Motor Vehicle Safety Stan-
dards.
■
Typical tire size information
The illustration indicates typical
tire size.
Typical DOT and Tire
Identification Number
(TIN)
Tire size
490
9-1. Specifications
Section width (millimeters)
Aspect ratio (tire height to
section width)
Speed category (alphabet
with one letter)
Tire construction code (R =
Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 dig-
its)
Speed symbol (alphabet with
one letter)
■
Tire dimensions
Section width
Tire height
Wheel diameter
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
This information has been pre-
pared in accordance with regu-
lations issued by the National
Highway Traffic Safety Adminis-
tration of the U.S. Department of
Transportation.
It provides the purchasers
and/or prospective purchasers
of Toyota vehicles with informa-
Tire section names
Uniform Tire Quality
Grading
491
9-1. Specifications
9
Vehicle
specifications
tion on uniform tire quality grad-
ing.
Your Toyota 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 Trac-
tion AA Temperature A
■
Treadwear
The treadwear grade is a com-
parative 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. Performance may differ
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 high-
est 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 govern-
ment test surfaces of asphalt
and concrete.
A tire marked C may have poor
traction performance.
Warning: The traction grade
assigned to this tire is based on
braking (straight ahead) traction
tests and does not include corner-
ing (turning) traction.
■
Temperature A, B, C
The temperature grades are A
(the highest), B, and C, repre-
senting the tire’s resistance to
the generation of heat and its
ability to dissipate heat when
tested under controlled condi-
tions on a specified indoor labo-
ratory test wheel.
Sustained high temperature can
cause the material of the tire to
degenerate and reduce tire life, and
excessive temperature can lead to
sudden tire failure.
Grade C corresponds to a level of
performance which all passenger
car tires must meet under the Fed-
eral Motor Vehicle Safety Standard
No. 109.
Grades B and A represent higher
levels of performance on the labo-
ratory test wheel than the minimum
required by law.
Warning: The temperature grades
of a tire assume that it is properly
inflated and not overloaded.
Excessive speed, underinflation, or
excessive loading, either sepa-
rately or in combination, can cause
492
9-1. Specifications
heat buildup and possible tire fail-
ure.
Glossary of tire terminology
Tire related term
Meaning
Cold tire inflation pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km
under that condition
Maximum inflation pressure
The maximum cold inflated pressure to
which a tire may be inflated, shown on the
sidewall of the tire
Recommended inflation pres-
sure
Cold tire inflation pressure recommended
by a manufacturer
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
transmission, power steering, power
brakes, power windows, power seats,
radio and heater, to the extent that these
items are available as factory-installed
equipment (whether installed or not)
Curb weight
The weight of a motor vehicle with stan-
dard equipment, including the maximum
capacity of fuel, oil and coolant, and if so
equipped, air conditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight
150 lb. (68 kg) times the number of occu-
pants specified in the second column of
Table 1
*
that follows
Occupant distribution
Distribution of occupants in a vehicle as
specified in the third column of Table 1
*
below
493
9-1. Specifications
9
Vehicle
specifications
Production options weight
The combined weight of installed regular
production 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 12-volt battery, and special trim
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter (Wheel diame-
ter)
Nominal diameter of the bead seat
Rim size designation
Rim diameter and width
Rim type designation
The industry manufacturer’s designation
for a rim by style or code
Rim width
Nominal 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 deter-
mined 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 deter-
mined by distributing to each axle its share
of curb weight, accessory weight, and nor-
mal occupant weight (distributed in accor-
dance with Table 1
*
below), and dividing by
two
Weather side
The surface area of the rim not covered by
the inflated tire
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 separation
A breakdown of the bond between compo-
nents in the bead
Tire related term
Meaning
494
9-1. Specifications
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
Carcass
The tire structure, except tread and side-
wall rubber which, when inflated, bears the
load
Chunking
The breaking away of pieces of the tread
or sidewall
Cord
The strands forming the plies in the tire
Cord separation
The parting of cords from adjacent rubber
compounds
Cracking
Any parting within the tread, sidewall, or
innerliner 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 cav-
ity of the tire
Extra load tire
A tire designed to operate at higher loads
and at higher inflation pressures than the
corresponding standard tire
Groove
The 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 separation
The parting of the innerliner from cord
material in the carcass
Tire related term
Meaning
495
9-1. Specifications
9
Vehicle
specifications
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
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
primarily intended for use on lightweight
trucks or multipurpose passenger vehicles
Load rating
The maximum load that a tire is rated to
carry for a given inflation pressure
Maximum load rating
The load rating for a tire at the maximum
permissible inflation pressure for that tire
Maximum permissible inflation
pressure
The maximum cold inflation pressure to
which a tire may be inflated
Measuring rim
The rim on which a tire is fitted for physical
dimension requirements
Open splice
Any parting at any junction of tread, side-
wall, or innerliner that extends to cord
material
Outer diameter
The overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors
of the sidewalls of an inflated tire, including
elevations due to labeling, decorations, or
protective 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.
Ply
A layer of rubber-coated parallel cords
Ply separation
A parting of rubber compound between
adjacent plies
Tire related term
Meaning
496
9-1. Specifications
Pneumatic tire
A mechanical device made of rubber,
chemicals, fabric and steel or other materi-
als, that, when mounted on an automotive
wheel, provides 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 substan-
tially 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
corresponding standard tire
Section width
The linear distance between the exteriors
of the sidewalls of an inflated tire, exclud-
ing elevations due to labeling, decoration,
or protective bands
Sidewall
That portion of a tire between the tread
and bead
Sidewall separation
The 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 Trac-
tion 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
Tread
That portion of a tire that comes into con-
tact with the road
Tire related term
Meaning
497
9-1. Specifications
9
Vehicle
specifications
*
: Table 1 -Occupant loading and distribution for vehicle normal load for var-
ious designated seating capacities
Tread rib
A tread section running circumferentially
around a tire
Tread separation
Pulling away of the tread from the tire car-
cass
Treadwear indicators (TWI)
The projections within the principal
grooves designed to give a visual indica-
tion 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
capacity, Number of
occupants
Vehicle normal load,
Number of occupants
Occupant distribution in
a normally loaded vehi-
cle
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
498
9-2. Customization
9-2.Customization
■
Changing by using the
meter control switches
1
Press
or
to select
.
2
Operate the meter control
switches to select the desired
item to be customized.
3
According to the display,
select the desired setting and
then press
.
To go back to the previous screen
or exit the customize mode, press
.
■
Changing by using the mul-
timedia system
1
Press the “MENU” button.
2
Select “Setup” on the “Menu”
screen.
3
Select “Vehicle” on the
“Setup” screen.
4
Select “Vehicle Customisza-
tion”.
Various setting can be changed.
Refer to the list of settings that can
be changed for details.
Some function settings are changed simultaneously with other func-
tions being customized. Contact your Toyota dealer for further
details.
Settings that can be changed using the multimedia system
Settings that can be changed using the multi-information display
Settings that can be changed by your Toyota dealer
Definition of symbols: O = Available, — = Not available
Customizable features
Your vehicle includes a vari-
ety of electronic features
that can be personalized to
your preferences. The set-
tings of these features can
be changed by using the
multi-information display,
the multimedia system or at
your Toyota dealer.
Customizing vehicle fea-
tures
NOTICE
■
During customization
To prevent 12-volt battery dis-
charge, ensure that the fuel cell
system is operating while custom-
izing features.
Customizable features
499
9-2. Customization
9
Vehicle
specifications
■
Alarm (
*
: The default setting varies according to country.
■
Gauges, meters and multi-information display (
Function
Default setting
Customized
setting
Deactivates the alarm when
the doors or trunk are
unlocked using the mechani-
cal key
On
*
Off
— — O
Function
*1
Default setting
Customized
setting
Language
English
French
O
O —
Spanish
Units
*2
miles (MPGe) km (kg/100km) — O —
Eco Accelerator Guidance
On
Off
— O —
Fuel economy display
Total average
(Average fuel
consumption
[after reset])
Trip average
(Average fuel
consumption
[after start])
— O —
Tank average
(Average fuel
consumption
[after refuel])
Audio system linked display
On
Off
— O —
Energy monitor
On
Off
— O —
Drive information type
Trip (after
start)
Total (after
reset)
— O —
Drive information items (First
item)
Distance
Average vehi-
cle speed
— O —
Elapsed time
Drive information items (Sec-
ond item)
Elapsed time
Average vehi-
cle speed
— O —
Distance
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