ECU TOYOTA YARIS 2022 Service Manual

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3-2. Opening, closing and locking the doors
Before driving
3-2.Opening, closing and lo cking th e d oors
■Using the entry function (vehi-
cles with a smart entry & start
system)
Carry the electronic key to enable
this function.
1 Grip the front door handle to
unlock all the doors.
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for 3
seconds after the doors are locked.
2 Touch the lock sensor (the
indentation on the side of the
front door handle) to lock all the
doors.
Check that the door is securely locked.
■Wireless remote control
Vehicles without a smart entry &
start system
1 Locks all the doors
Check that the door is securely locked.
Press and hold to close the windows.*
2 Unlocks all the doors
Press and hold to open the windows.*
Vehicles with a smart entry &
start system
1 Locks all the doors
Check that the door is securely locked.
Press and hold to close the windows.*
2 Unlocks all the doors
Press and hold to open the windows.*
*: This setting must be customized at
any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer.
Side doors
Unlocking and locking the
doors from the outside

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3-2. Opening, closing and locking the doors
■Key
Turning the key operates the doors
as follows:
Vehicles without a smart entry &
start system
1 Locks all the doors
Turn and hold to close the windows.*
2Unlocks all the doors
Turn and hold to open the windows.*
*: This setting must be customized at
any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer.
Vehicles with a smart entry &
start system
The doors can also be locked and
unlocked with the mechanical key.
( P.408)
■Operation signals
Vehicles without a smart entry & start system
The emergency flashers flash to indicate
that the doors have been
locked/unlocked using the wireless
remote control. (Locked: Once;
Unlocked: Twice)
Vehicles with a smart entry & start system
The emergency flashers flash to indicate
that the doors have been
locked/unlocked using the entry function
or wireless remote control. (Locked:
Once; Unlocked: Twice)
A buzzer sounds to indicate that the win-
dows are operating.
■Security feature
Vehicles without a smart entry & start
system
If a door is not opened within approxi-
mately 30 seconds after the vehicle is
unlocked using the wireless remote con-
trol, the security feature automatically
locks the vehicle again.
Vehicles with a smart entry & start system
If a door is not opened within approxi-
mately 30 seconds after the vehicle is
unlocked using the entry function or
wireless remote control, the security fea-
ture automatically locks the vehicle
again.
■When the door cannot be locked by
the lock sensor on the surface of the front door handle (vehicles with a smart entry & start system)
If the doors cannot be locked by touch- ing the lock sensor with a finger, touch the lock sensor with the palm of your
hand.
If you are wearing gloves, remove them.
■Door lock buzzer (vehicles with a smart entry & start system)
If an attempt to lock the doors using the
entry function or wireless remote control is made when a door is not fully closed,

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3-2. Opening, closing and locking the doors
WARNING
●Do not allow a child to open or close the back door.
Doing so may cause the back door to move unexpectedly, or cause the child’s hands, head, or neck to be
caught by the closing back door.
■Operating the back door
Observe the following precautions. Failure to do so may cause parts of the body to be caught, resulting in
death or serious injury.
●Remove any heavy loads, such as
snow and ice, from the back door before opening it. Failure to do so may cause the back door to sud-
denly shut again after it is opened.
●When opening or closing the back
door, thoroughly check to make sure the surrounding area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the back door is about to
open or close.
●Use caution when opening or clos-
ing the back door in windy weather as it may move abruptly in strong wind.
●The back door may suddenly shut if it is not opened fully. It is more diffi-
cult to open or close the back door on an incline than on a level sur-face, so beware of the back door
unexpectedly opening or closing by itself. Make sure that the back door is fully open and secure before
using the luggage compartment.
●When closing the back door, take extra care to prevent your fingers, etc., from being caught.
●When closing the back door, make sure to press it lightly on its outer
surface. If the back door handle is used to fully close the back door, it may result in hands or arms being
caught.
●Do not pull on the back door
damper stay ( P.140) to close the back door, and do not hang on the back door damper stay. Doing so
may cause hands to be caught or the back door damper stay to break, causing an accident.
●If a bicycle carrier or similar heavy object is attached to the back door,
it may suddenly shut again after being opened, causing someone’s hands, head or neck to be caught
and injured. When installing an accessory part to the back door, using a genuine Toyota part is rec-
ommended.

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3-2. Opening, closing and locking the doors
Before driving
■Using the entry function (vehi-
cles with a smart entry & start
system)
1 Unlocks all the doors
The door cannot be unlocked for 3 sec-
onds after the door is locked.
2 Locks all the doors
Check that the door is securely locked.
■Wireless remote control
 P. 1 3 3
■Key
 P. 1 3 4
■Operation signals
 P. 1 3 4
■Door lock switches
 P. 1 3 6
■Open
Raise the back door while pushing
up the back door opener switch.
The back door cannot be closed imme-
diately after the back door opener
switch is pushed.
■Close
Lower the back door using a back
door handle, and then push the
back door from the outside to close
it.
Be careful not to pull the back door
sideways when closing the back
door with the handle.
■Open door warning buzzer
 P. 1 3 6
Unlocking and locking the
back door from the outside
Unlocking and locking the
back door from the inside
Opening/closing the back
door

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3-2. Opening, closing and locking the doors
Before driving
switch modes are changed.
●Do not leave the electronic key on top of the instrument panel or near the
door pockets when exiting the vehicle. Depending on the radio wave recep-tion conditions, it may be detected by
the antenna outside the cabin and the door will become lockable from the outside, possibly trapping the elec-
tronic key inside the vehicle.
●As long as the electronic key is within
the effective range, the doors may be locked or unlocked by anyone. How-ever, only the doors detecting the
electronic key can be used to unlock the vehicle.
●Even if the electronic key is not inside the vehicle, it may be possible to start the hybrid system if the electronic key
is near the window.
●The doors may unlock or lock if a
large amount of water splashes on the door handle, such as in the rain or in a car wash when the electronic key is
within the effective range. (The doors will automatically be locked after approximately 30 seconds if the doors
are not opened and closed.)
●If the wireless remote control is used
to lock the doors when the electronic key is near the vehicle, there is a pos-sibility that the door may not be
unlocked by the entry function. (Use the wireless remote control to unlock the doors.)
●Touching the door lock or unlock sen-sor while wearing gloves may prevent
lock or unlock operation.
●When the lock operation is performed
using the lock sensor, recognition sig- nals will be shown up to two consecu-tive times. After this, no recognition
signals will be given.
●If the door handle becomes wet while
the electronic key is within the effec- tive range, the door may lock and unlock repeatedly. In that case, follow
the following correction procedures to wash the vehicle:
• Place the electronic key in a location 2
m (6 ft.) or more away from the vehi- cle. (Take care to ensure that the key is not stolen.)
• Set the electronic key to battery-sav- ing mode to disable the smart entry & start system. ( P.141)
●If the electronic key is inside the vehi- cle and a door handle becomes wet
during a car wash, a message may be shown on the multi-information dis-play and a buzzer will sound outside
the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work prop-erly if it comes into contact with ice, snow, mud, etc. Clean the lock sensor
and attempt to operate it again.
●A sudden handle operation or a han-
dle operation immediately after enter- ing the effective range may prevent the doors from being unlocked. Touch
the door unlock sensor and check that the doors are unlocked before pulling the door handle again.
●If there is another electronic key in the detection area, it may take slightly lon-
ger to unlock the doors after the door handle is gripped.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 2 m (6
ft.) of the vehicle.
●The smart entry & start system can be
deactivated in advance. ( P.431)
●Setting the electronic key to battery-
saving mode helps to reduce key bat- tery depletion. ( P.141)
■To operate the system properly
Make sure to carry the electronic key
when operating the system. Do not get the electronic key too close to the vehi-cle when operating the system from the
outside of the vehicle. Depending on the position and holding condition of the electronic key, the key
may not be detected correctly and the system may not operate properly. (The

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3-3. Adjusting the seats
Before driving
■Front seats
1 Up
Pull the head restraint up.
2Down
Push the head restraint down while
WARNING
●Adjust the position of the front seats before folding down the rear seat-
backs so that the front seats do not interfere with the rear seatbacks when folding down the rear seat-
backs.
■After returning the rear seatback
to the upright position
●Make sure that the seatback is securely locked in position by lightly
pushing it back and forth.
If the seatback is not securely locked,
the red marking will be visible on the
seatback lock release lever. Make
sure that the red mark is not visible.
●Check that the seat belts are not
twisted or caught in the seatback.
If the seat belt gets caught between
the seatback’s securing hook and
latch, it may damage the seat belt.
Head restraints
Head restraints are provided
for the front seats, rear outer
seats and rear center seat (if
equipped).
WARNING
■Head restraint precautions
Observe the following precautions
regarding the head restraints. Failure to do so may result in death or serious injury.
●Use the head restraints designed for each respective seat.
●Adjust the head restraints to the correct position at all times.
●After adjusting the head restraints, push down on them and make sure
they are locked in position.
●Do not drive with the head
restraints removed.
Adjusting a head restraint

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3-4. Adjusting the steering wheel and mirrors
Before driving
3-4.Adjusting the steering whe el an d mirrors
1Hold the steering wheel and
push the lever down.
2 Adjust to the ideal position by
moving the steering wheel hori-
zontally and vertically.
After adjustment, pull the lever up to
secure the steering wheel.
To sound the horn, press on or
close to the mark.
Steering wheel
Adjustment procedure
WARNING
■Caution while driving
Do not adjust the steering wheel while driving.Doing so may cause the driver to mis-
handle the vehicle and cause an acci- dent, resulting in death or serious injury.
■After adjusting the steering wheel
Make sure that the steering wheel is
securely locked. Otherwise, the steering wheel may move suddenly, possibly causing an
accident, and resulting in death or serious injury. Also, the horn may not sound if the steering wheel is not
securely locked.
Horn

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4-1. Before driving
Driving
WARNING
●Moving the shift lever to N while the vehicle is moving will disengage the
hybrid system. Engine braking is not available with the hybrid system disengaged.
●Be careful not to shift the shift lever with the accelerator pedal
depressed. Shifting the shift lever to any positions other than P or N may lead to unexpected rapid accelera-
tion of the vehicle that may cause an accident and result in death or serious injury.
■If you hear a squealing or scrap-ing noise (brake pad wear indica-
tors)
Have the brake pads checked and replaced by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as soon as possible.
Rotor damage may result if the pads are not replaced when needed.
It is dangerous to drive the vehicle when the wear limits of the brake
pads and/or those of the brake discs are exceeded.
■When the vehicle is stopped
●Do not depress the accelerator pedal unnecessarily.
If the shift lever is any position other than P or N, the vehicle may accel-erate suddenly and unexpectedly,
causing an accident.
●In order to prevent accidents due to
the vehicle rolling away, always keep depressing the brake pedal while stopped with the “READY”
indicator is illuminated, and apply the parking brake as necessary.
●If the vehicle is stopped on an incline, in order to prevent acci-dents caused by the vehicle rolling
forward or backward, always depress the brake pedal and securely apply the parking brake as
needed.
●Avoid revving or racing the engine.
Running the engine at high speed while the vehicle is stopped may cause the exhaust system to over-
heat, which could result in a fire if combustible material is nearby.
■When the vehicle is parked
●Do not leave glasses, cigarette lighters, spray cans, or soft drink
cans in the vehicle when it is in the sun.Doing so may result in the follow-
ing:
• Gas may leak from a cigarette
lighter or spray can, and may lead to a fire.
• The temperature inside the vehicle may cause the plastic lenses and plastic material of glasses to
deform or crack.
• Soft drink cans may fracture, caus-
ing the contents to spray over the interior of the vehicle, and may also cause a short circuit in the vehicle’s
electrical components.
●Do not leave cigarette lighters in the
vehicle. If a cigarette lighter is in a place such as the glove box or on the floor, it may be lit accidentally
when luggage is loaded or the seat is adjusted, causing a fire.
●Do not attach adhesive discs to the windshield or windows. Do not place containers such as air fresh-
eners on the instrument panel or dashboard. Adhesive discs or con-tainers may act as lenses, causing
a fire in the vehicle.

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4-1. Before driving
WARNING
●Do not leave a door or window open if the curved glass is coated
with a metallized film such as a sil- ver-colored one. Reflected sunlight may cause the glass to act as a
lens, causing a fire.
●Always apply the parking brake,
shift the shift lever to P, stop the hybrid system and lock the vehicle.Do not leave the vehicle unat-
tended while the hybrid system is operating.If the vehicle is parked with the shift
lever in P but the parking brake is not set, the vehicle may start to move, possibly leading to an acci-
dent.
●Do not touch the exhaust pipes
while the “READY” indicator is illu- minated or immediately after turn-ing the hybrid system off.
Doing so may cause burns.
■When taking a nap in the vehicle
Always turn the hybrid system off. Otherwise, if you accidentally move the shift lever or depress the acceler-
ator pedal, this could cause an acci- dent or fire due to hybrid system overheating. Additionally, if the vehi-
cle is parked in a poorly ventilated area, exhaust gases may collect and enter the vehicle, leading to death or
a serious health hazard.
■When braking
●When the brakes are wet, drive more cautiously.Braking distance increases when
the brakes are wet, and this may cause one side of the vehicle to brake differently than the other
side. Also, the parking brake may not securely hold the vehicle.
●If the electronically controlled brake system does not operate, do not fol-low other vehicles closely and avoid
hills or sharp turns that require braking.In this case, braking is still possible,
but the brake pedal should be depressed more firmly than usual. Also, the braking distance will
increase. Have your brakes fixed immediately.
●The brake system consists of 2 or more individual hydraulic systems; if one of the systems fails, the
other(s) will still operate. In this case, the brake pedal should be depressed more firmly than usual
and the braking distance will increase. Have your brakes fixed immediately.
■If the vehicle becomes stuck
Do not spin the wheels excessively
when a driven wheel is up in the air, or the vehicle is stuck in sand, mud, etc. This may damage the driveline
components or propel the vehicle for- ward or backward, causing an acci-dent.
NOTICE
■When driving the vehicle
●Do not depress the accelerator and brake pedals at the same time
during driving, as this may restrain the hybrid system output.
●Do not use the accelerator pedal or depress the accelerator and brake pedals at the same time to hold the
vehicle on a hill.
■When parking the vehicle
Always set the parking brake and shift the shift lever to P. Failure to do so may cause the vehicle to move or the
vehicle may accelerate suddenly if the accelerator pedal is accidentally depressed.

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4-1. Before driving
Cargo and luggage
Take notice of the following
information about storage pre-
cautions, cargo capacity and
load:
WARNING
■Things that must not be carried in the luggage compartment
The following things may cause a fire if loaded in the luggage compartment:
●Receptacles containing gasoline
●Aerosol cans
■Storage precautions
Observe the following precautions.
Failure to do so may prevent the ped- als from being depressed properly, may block the driver’s vision, or may
result in items hitting the driver or passengers, possibly causing an acci-dent.
●Stow cargo and luggage in the lug-gage compartment whenever pos-
sible.
●Do not stack cargo and luggage in
the luggage compartment higher than the seatbacks.
●When you fold down the rear seats, long items should not be placed directly behind the front seats.
●Do not place cargo or luggage in or on the following locations.
• At the feet of the driver
• On the front passenger or rear seats (when stacking items)
• On the luggage cover
• On the instrument panel
• On the dashboard
●Secure all items in the occupant compartment.
●Never allow anyone to ride in the luggage compartment. It is not designed for passengers. They
should ride in their seats with their seat belts properly fastened.
■Load and distribution
●Do not overload your vehicle.
●Do not apply loads unevenly.Improper loading may cause deteri-oration of steering or braking con-
trol which may cause death or serious injury.