2021 TOYOTA YARIS ECU

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YARIS(HB) Owner's Manual_Europe_MK0001_en
1-4. Theft deterrent system
1-4.Theft de terre nt sys te m
Vehicles without a smart entry &
start system
The indicator light flashes after the
key has been removed from the
engine switch to indicate that the
system is operating.
The indicator light stops flashing
after the registered key has been
inserted into the engine switch to
indicate that the system has been
canceled.
Vehicles with a smart entry &
start system
The indicator light flashes after the
engine switch has been turned off
to indicate that the system is oper-
ating.
The indicator light stops flashing
after the engine switch has been
turned to ACC or ON to indicate
that the system has been canceled.
■System maintenance
The vehicle has a maintenance-free
type engine immobilizer system.
■Conditions that may cause the sys- tem to malfunction
●If the grip portion of the key is in con-tact with a metallic object
●If the key is in close proximity to or touching a key to the security system (key with a built-in transponder chip)
of another vehicle
■Certifications for the engine immo- bilizer system
→ P. 4 3 4
Engine immobilizer sys-
tem
The vehicle’s keys have built-
in transponder chips that pre-
vent the engine from starting if
a key has not been previously
registered in the vehicle’s on-
board computer.
Never leave the keys inside the
vehicle when you leave the
vehicle.
This system is designed to
help prevent vehicle theft but
does not guarantee absolute
security against all vehicle
thefts.
Operating the system
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of the system cannot be
guaranteed.

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YARIS(HB) Owner's Manual_Europe_MK0001_en
1-4. Theft deterrent system
For safety and security
*: If equipped
■Setting
Turn the engine switch off, have all
the passengers exit the vehicle and
ensure that all the doors are closed.
Using the entry function (if
equipped): Touch the sensor area
on the outside door handle twice
within 5 seconds.
Using the wireless remote control:
Press twice within 5 seconds.
■Canceling
Using the entry function (if
equipped): Hold the outside door
handle.
Using the wireless remote control:
Press .
Double locking system*
Unauthorized access to the
vehicle is prevented by dis-
abling the door unlocking
function from both the interior
and exterior of the vehicle.
Vehicles employing this sys-
tem have labels on the window
glass of both front doors.
Setting/canceling the double
locking system
WARNING
■Double locking system precau- tion
Never activate the double locking sys-
tem when there are people in the vehicle because all the doors cannot be opened from inside the vehicle.

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YARIS(HB) Owner's Manual_Europe_MK0001_en
1-4. Theft deterrent system
For safety and security
●The battery is recharged or replaced
when the vehicle is locked. ( →P.403)
■Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically
lock to prevent improper entry into the vehicle:
●When a person remaining in the vehi-cle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the
door.
●When recharging or replacing the bat-
tery
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of the system cannot be
guaranteed.

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YARIS(HB) Owner's Manual_Europe_MK0001_en
2-1. Instrument cluster
The indicators inform the driver of
the operating state of the vehicle’s
various systems.
WARNING
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not come on when you start the engine,
this could mean that these systems are not available to help protect you in an accident, which could result in
death or serious injury. Have the vehi- cle inspected by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immediately if this occurs.
Indicators
Turn signal indicator
( →P.171)
Tail light indicator ( →P.173)
Headlight high beam indica-
tor ( →P.175)
Automatic High Beam indica-
tor (if equipped) ( →P.177)
Front fog light indicator (if
equipped) ( →P.180)
Rear fog light indicator
( →P.180)
PCS warning light*1, 2 (if
equipped) ( →P.196)
Cruise control indicator*3 (if
equipped) ( →P.213)
Dynamic radar cruise control
indicator*3 (if equipped)
( →P.213)
Cruise control “SET” indica-
tor*3 (if equipped) ( →P.213)
*4
LTA i n d i c a t o r*3 (if equipped)
( →P.209)
BSM outside rear view mirror
indicators*1, 5 (if equipped)
( →P.237, 247)
BSM OFF indicator*2 (if
equipped) ( →P.237)
Toyota parking assist-sensor
OFF indicator*1, 2 (if
equipped) ( →P.243)
“RCTA OFF” indicator*1, 2 (if
equipped) ( →P.248)
PKSB OFF indicator*1, 2 (if
equipped) ( →P.252)
Stop & Start indicator*1 (if
equipped) ( →P.230)
Stop & Start cancel indica-
tor*1, 2 (if equipped)
( →P.231)
Speed limiter indicator (if
equipped) ( →P.224)
(Flashes)
Slip indicator*1 (→P. 2 6 9 )
VSC OFF indicator*1, 2
( →P.270)
Smart entry & start system
indicator*3 (if equipped)
( →P.159)
Gear Shift Indicator*6 (if
equipped) ( →P.170)
Parking brake indicator
( →P.171)
Eco Driving Indicator Light*1,
6 (if equipped) ( →P.95, 101)
Low outside temperature
indicator*3, 7 ( →P.86, 90)
Security indicator ( →P. 7 6 ,
78)

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YARIS(HB) Owner's Manual_Europe_MK0001_en
3-2. Opening, closing and locking the doors
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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YARIS(HB) Owner's Manual_Europe_MK0001_en
3-2. Opening, closing and locking the doors
Before driving
■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.400)
■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, a buzzer will sound continuously for 5 seconds. Fully close the door to stop the

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YARIS(HB) Owner's Manual_Europe_MK0001_en
3-2. Opening, closing and locking the doors
Back door
The back door can be
locked/unlocked and
opened/closed by the follow-
ing procedures.
WARNING
Observe the following precautions. Failure to do so may result in death or
serious injury.
■Caution while driving
●Keep the back door closed while driving. If the back door is left open, it may hit near-by objects while driv-
ing or luggage may be unexpect- edly thrown out, causing an accident.
In addition, exhaust gases may enter the vehicle, causing death or a serious health hazard. Make sure
to close the back door before driv- ing.
●Before driving the vehicle, make sure that the back door is fully closed. If the back door is not fully
closed, it may open unexpectedly while driving, causing an accident.
●Never let anyone sit in the luggage compartment. In the event of sud-den braking or a collision, they are
susceptible to death or serious injury.
■When children are in the vehicle
●Do not allow children to play in the luggage compartment.
If a child is accidentally locked in the luggage compartment, they could have heat exhaustion or other
injuries.
●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.

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YARIS(HB) Owner's Manual_Europe_MK0001_en
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 1 6
■Key
→ P. 1 1 7
■Operation signals
→ P. 1 1 7
■Door lock switches
→ P. 1 1 9
WARNING
●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.122) 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.
Unlocking and locking the
back door from the outside
Unlocking and locking the
back door from the inside