ECU TOYOTA COROLLA HATCHBACK 2020 (in English) Repair Manual

3365-11. Voice command system operation
COROLLA H/B_U
operation, select “Pause” or
say “Pause”. To resume the
voice command operation,
select “Resume” or press the
talk switch.
●If the system does not respond or
the confirmation screen does not
disappear, press the talk switch
and try again.
●If a voice command cannot be rec-
ognized, voice guidance will say
“Sorry, could you repeat that?”
and voice command reception will
restart.
●If a voice command cannot be rec-
ognized 3 consecutive times,
voice recognition will be canceled.
●The amount of spoken feedback
received from the system while
using the voice command system
(voice recognition prompts) can
be changed on the voice settings
screen. (P.294)
●Some voice guidance can be can-
celed by setting voice prompts to
off. Use this setting when it is
desirable to say a command
immediately after pressing the talk
switch and hearing a beep.
To increase voice recognition
performance, use the “Tutori-
als” and “Voice Training” func-
tions on the “Getting Started
with Voice” screen. These func-
tions are only available when
the vehicle is not moving.
The “Tutorials” and “Voice Train-
ing” functions can also be
started on the voice settings
screen. (P.294) 1
Press the talk switch.
2 Select the desired item to be
set.
Select to display the voice
command tutorials.
Select to train the voice com-
mand system.
The user will be a sked to say 10
sample phrases. This will help the
voice command system adapt to
the user’s accent.
Select to prevent the screen
from being displayed again.
Select to proceed to the
voice command screen.
Increasing the voice rec-
ognition performance

3485-13. Phone operation (Hands-free system for cellular phones)
COROLLA H/B_U
1Display the phone top
screen. ( P.343)
2 Select the desired method to
call from.
■Calling methods from
phone screen
 By call history ( P.348)
 By favorites ( P.349)
 By contacts ( P.349)
 By keypad
* ( P.350)
 By message ( P.357)
■Also the following lists are
available from each func-
tion’s screen
 By voice command system
( P.335)
 By home screen ( P.351)
*: The operation cannot be per-
formed while driving.
Up to 30 of the latest call history
items (missed, incoming and
outgoing) can be selected.
1Display the phone top
screen. ( P.343)
2 Select “History” and select
the desired contact.
 If the contact which is not reg-
istered on the contact list is
selected, the name is dis-
played as “Unknown Con-
tact”. In this case, select the
number to make a call prop-
erly.
3 Check that the dialing screen
is displayed.
●The icons of call type are dis-
played.
: Missed call
: Incoming call
: Outgoing call
●When making a call to the same
number continuously, only the
most recent call is listed in call his-
tory.
●When a phone number registered
in the contact list is received, the
name is displayed.
●Number-withheld calls are also
memorized in the system.
●International phone calls may not
be made depending on the type of
Bluetooth
® phone you have.
●The list should group together
consecutive entries with the same
phone number and same call
type. For example, two calls from
John’s mobile would be displayed
Placing a call using
the Bluetooth®
hands-free system
After a Bluetooth® phone
has been registered, a call
can be made using the
hands-free system. There
are several methods by
which a call can be made, as
described below.
Calling methods on the
Bluetooth
® phone
By call history

3725-15. What to do if... (Bluetooth®)
COROLLA H/B_U
■Notification of
SMS/MMS/E-mail reception
on this system is set to off.
Set notification of
SMS/MMS/E-mail reception on
this system to on. ( P.360)
■Automatic message trans-
fer function is not enabled
on the cellular phone.
Enable automatic transfer func-
tion on the cellular phone.
■Connection confirmation
display on this system is
set to on.
To turn off the display, set con-
nection confirmation display on
this system to off. ( P.276)
*: The engine switch is in ACC or
ON mode.
■The cellular phone is not
close enough to this sys-
tem.
Bring the cellular phone closer
to this system.
■Radio interference has
occurred.
Turn off Wi-Fi
® devices or other
devices that may emit radio
waves.
■The cellular phone is the
most likely cause of the
symptom.
Turn the cellular phone off,
remove and reinstall the battery
pack, and then restart the cellu-
lar phone.
Enable the cellular phone’s
Bluetooth
® connection.
Disable the Wi-Fi
® connection of
the cellular phone.
Stop the cellular phone’s secu-
rity software and close all appli-
cations.
Before using an application
installed on the cellular phone,
carefully check its source and
how its operation might affect
this system.
●For details, refer to the owner’s
manual that came with the cellular
phone.
New message notifications
are not displayed.
In other situations
The Bluetooth
® connection
status is displayed at the top
of the screen each time the
system is activated
*.
Even though all conceivable
measures have been taken,
the symptom status does not
change.

3755-16. Connected Services Overview
COROLLA H/B_U
5
Audio
Provides contents to the application server.
Application server
Provides applications to the system or a smart phone.
Smart phone
*
Using the Toyota mobile application, communication is relayed
between the system, application server and contents provider.
The smart phone cannot be operated while communicating.
Applications
Display usable content from the content providers on the screen
using the data connection of t he connected smart phone or DCM.
System
Content received, via a smart phone or DCM, from content pro-
vider servers is displayed on the screen. The system is equippe d
with an application player to run applications.
Via DCM
*: For known compatible phones, refer to https://www.toyota.com/connected-services
in the Unit ed States,
https://www.toyota.ca/connected
in Canada, and
http://www.toyotapr.c om/connected-services
in Puerto Rico.
The required operations to acti-
vate applications and connect a
smart phone to the system, and
the registration steps for the
connected services are
explained in this section.
■Subscription
 User registration is required to
start using the Toyota apps
function. ( P.376)
 Toyota apps does not require
an activation fee or monthly
recurring fees.
 Services requiring a separate
contract can also be used.
*
*: For details, refer to
https://www.toyota.com/con-
nected-services
or call 1-800-331-4331 in the
United States,
https://www.toyota.ca/connected
or call 1-888-869-6828 in Can-
ada, and
http://www.toyotapr.com/con-
nected-services
or call 1-877-855-8377 in Puerto
Rico.
■Availability of function
 Toyota apps is available in the
contiguous United States,
Washington D.C., Alaska,
Hawaii, Puerto Rico and Can-
ada.
 Toyota apps is not available in
Before using the function

4006-3. Using the storage features
COROLLA H/B_U
The cargo hooks are provided
for securing loose items.
WARNING
■Caution while driving
Observe the following precautions
when putting items in the open
tray. Failure to do so may cause
items to be thrown out of the tray
in the event of sudden braking or
steering. In these cases, the items
may interfere with pedal operation
or cause driver distraction, result-
ing in an accident.
●Do not store items in the tray
that can easily shift or roll out.
●Do not stack items in the tray
higher than the tray’s edge.
●Do not put items in the tray that
may protrude over the tray’s
edge.
Luggage compar t-
ment features
Cargo hooks
WARNING
■When cargo hooks are not in
use
To avoid injury , always return the
hooks to their stowed positions
when not in use.
Grocery bag hooks
WARNING
■To prevent damage to the gro-
cery bag hooks
Do not hang any object heavier
than 4.4 lb. (2 kg) on the grocery
bag hooks.

4217-2. Maintenance
COROLLA H/B_U
7
Maintenance and care
Exhaust sys-
temThere should not
be any fumes or
strange sounds.
Radiator/con-
denser
The radiator and
condenser should
be free from for-
eign objects.
(  P.432)
Washer fluid
Is there sufficient
washer fluid?
( P.435)
Vehicle interior
ItemsCheck points
Accelerator
pedal
• The accelerator
pedal should
move smoothly
(without uneven
pedal effort or
catching).
Continuously
variable trans-
mission “Park”
mechanism
• When parked on a slope and the
shift lever is in P,
is the vehicle
securely
stopped?
ItemsCheck points
Brake pedal
• Does the brake pedal move
smoothly?
• Does the brake pedal have
appropriate
clearance from
the floor?
( P.514)
• Does the brake pedal have the
correct amount
of free play?
( P.514)
Clutch pedal
• Does the clutch
pedal move
smoothly?
• Does the clutch pedal have
appropriate
clearance from
the floor?
( P.514)
• Does the clutch pedal have the
correct amount
of free play?
( P.514)
ItemsCheck points

4227-2. Maintenance
COROLLA H/B_U
Brakes
• The vehicle should not pull to
one side when
the brakes are
applied.
• The brakes should work
effectively.
• The brake pedal should not feel
spongy.
• The brake pedal should not get
too close to the
floor when the
brakes are
applied.
Head
restraints
• Do the head restraints move
smoothly and
lock securely?
Indica-
tors/buzzers
• Do the indica-tors and buzzers
function prop-
erly?
Lights• Do all the lights come on?
Parking brake
• Does the park-ing brake oper-
ate normally?
• When parked on a slope and the
parking brake is
on, is the vehicle
securely
stopped?
ItemsCheck points
Seat belts
• Do the seat belts operate
smoothly?
• The seat belts should not be
damaged.
Seats
• Do the seat con-trols operate
properly?
Steering wheel
• Does the steer-ing wheel rotate
smoothly?
• Does the steer- ing wheel have
the correct
amount of free
play?
• There should not be any strange
sounds coming
from the steer-
ing wheel.
Vehicle exterior
ItemsCheck points
Doors
• Do the doors operate
smoothly?
Engine hood
• Does the engine hood lock system
work properly?
Fluid leaks
• There should not be any signs of
fluid leakage
after the vehicle
has been parked.
ItemsCheck points

4277-3. Do-it-yourself maintenance
COROLLA H/B_U
7
Maintenance and care
1 Pull the hood lock release
lever.
The hood will pop up slightly.
2Pull the auxiliary catch lever
to the left and lift the hood. 3
Hold the hood open by insert-
ing the support rod into the
slot.
Hood
Opening the hood
WARNING
■Pre-driving check
Check that the hood is fully closed
and locked.
If the hood is not locked properly,
it may open while the vehicle is in
motion and cause an accident,
which may result i n death or seri-
ous injury.
■After installing the support
rod into the slot
Make sure the rod supports the
hood securely preventing it from
falling down onto your head or
body.
NOTICE
■When closing the hood
Be sure to return the support rod
to its clip before closing the hood.
Closing the hood with the support
rod not clipped could cause the
hood to bend.

4547-3. Do-it-yourself maintenance
COROLLA H/B_U
Type D
Normal fuse
Blown fuse
Type E
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure
that the tab is installed securely.
●If the lights do n ot turn on even
after the fuse has been replaced,
a bulb may need replacement.
●If the replaced fuse blows again,
have the vehicle inspected by
your Toyota dealer.
■If there is an overload in a cir-
cuit
The fuses are designed to blow, pro-
tecting the wiring harness from
damage.
■When replacing light bulbs
Toyota recommends that you use genuine Toyota pr
oducts designed
for this vehicle.
Because certain bulbs are con-
nected to circuits designed to pre-
vent overload, non-genuine parts of
parts not designed for this vehicle
may be unusable.
WARNING
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota
fuse or equivalent.
Never replace a fuse with a
wire, even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical over-
load determined and repaired by
your Toyota dealer as soon as
possible.

4577-3. Do-it-yourself maintenance
COROLLA H/B_U
7
Maintenance and care
WARNING
■Replacing light bulbs
●Turn off the lights. Do not
attempt to replace the bulb
immediately after turning off the
lights. The bulbs become very
hot and may cause burns.
●Do not touch the glass portion
of the light bulb with bare
hands. When it is unavoidable
to hold the glass portion, use
and hold with a clean dry cloth
to avoid getting moisture and
oils on the bulb. Also, if the bulb
is scratched or dropped, it may
blow out or crack.
●Fully install light bulbs and any
parts used to secure them. Fail-
ure to do so may result in heat
damage, fire, or water entering
the light unit. This may damage
the lights or cause condensa-
tion to build up on the lens.
■To prevent damage or fire
Make sure bulbs are fully seated
and locked.