2015 TOYOTA YARIS HYBRID ECU

3888-1. Essential information
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Vehicles with a smart entry &
start system: To stop the hybrid
system, press and hold the
power switch for 3 consecutive
seconds or more, or press it
briefly 3 times or more in suc-
cession.
Stop the vehicle in a safe place by the road.
Press and hold for 3 seconds or
more, or press briefly 3 times or more
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WARNING
■ If the hybrid system has to be turned off while driving
● Power assist for the steering wheel will be lost, making the steering wheel
heavier to turn. Decelerate as much as possible before turning off the
hybrid system.
● Vehicles without a smart entry & start system: Never attempt to remove
the key, as doing so will lock the steering wheel.
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3918-2. Steps to take in an emergency
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When trouble arises
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If a tow truck is not available in an emergency, your vehicle may be
temporarily towed using cables or chains secured to the emergency
towing eyelets. This should only be attempted on hard surfaced roads
for short distances at under 5 km/h (3 mph).
A driver must be in the vehicle to steer and operate the brakes. The
vehicle’s wheels, drive train, axles, steering and brakes must be in
good condition.
Take out the towing eyelet. ( →P. 408)
Remove the eyelet cover by
turning.
Insert the towing eyelet into the
hole and tighten partially by
hand.
Emergency towing
Emergency towing procedure
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3928-2. Steps to take in an emergency
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Tighten down the towing eyelet
securely using a wheel nut
wrench* or hard metal bar.
*: If a wheel nut wrench is not
equipped, a wheel nut wrench can
be purchased at any authorized
Toyota dealer or repairer, or
another duly qualified and
equipped professional.
Securely attach cables or chains to the towing eyelet.
Take care not to damage the vehicle body.
Vehicles without a smart entry & start system: Enter the vehicle
being towed and start the hybrid system.
If the hybrid system does not start, turn the power switch to the “ON” posi-
tion.
Vehicles with a smart entry & start system: Enter the vehicle being
towed and start the hybrid system.
If the hybrid system does not start, turn the power switch to ON mode.
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted: →P. 440
■While towing
If the hybrid system is off, the power assist for the brakes and steering will not
function, making steering and braking more difficult.
■ Wheel nut wrench
● Vehicles with a wheel nut wrench: Wheel nut wrench is installed in the lug-
gage. ( →P. 408, 423)
● Vehicles without a wheel nut wrench: Wheel nut wrench can be purchased
at any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
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3938-2. Steps to take in an emergency
8
When trouble arises
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WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■ When towing the vehicle
■ While towing
● When towing using cables or chains, avoid sudden starts, etc. which place
excessive stress on the towing eyelets, cables or chains. The towing eye-
lets, cables or chains may become damaged, broken debris may hit peo-
ple, and cause serious damage.
● Vehicles without a smart entry & start system: Do not turn the power
switch to the “LOCK” position.
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
● Vehicles with a smart entry & start system: Do not turn the power switch
off.
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
■ Installing towing eyelet to the vehicle
Make sure that towing eyelet is installed securely.
If not securely installed, towing ey elet may come loose during towing.
Be sure to transport the vehicle with the
front wheels raised or with all four wheels
raised off the ground.
If the vehicle is towed with the front
wheels contacting the ground, the driv-
etrain and related parts may be damaged
or electricity generated by the operation
of the motor may cause a fire to occur
depending on the nature of the damage
or malfunction.

3948-2. Steps to take in an emergency
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NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type
truck
●Vehicles without a smart entry & start system: Do not tow the vehicle from
the rear when the power switch in the “LOCK” position or the key is
removed.
The steering lock mechanism is not strong enough to hold the front wheels
straight.
●Vehicles with a smart entry & start system: Do not tow the vehicle from the
rear when the power switch is off. The steering lock mechanism is not
strong enough to hold the front wheels straight.
●When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
■To prevent damage to the vehicle when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.

4068-2. Steps to take in an emergency
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Once(Flashes in yellow for 15 seconds.)
Smart entry & start system indicator
Indicates that the electronic key is not
present when attempting to start the hybrid
system.
→ Confirm the location of the electronic
key.
9 times(Flashes in yellow)
Smart entry & start system indicator
An attempt was made to drive when the
regular key was not inside the vehicle.
→ Confirm that the electronic key is inside
the vehicle.
Once(Flashes in yellow for 15 seconds.)
Smart entry & start system indicator
Indicates that the electronic key battery is
low.
→ Replace the battery. (→P. 361)
Once(Flashes quickly in green for 15 seconds.)
Smart entry & start system indicator
Indicates that the steering lock has not
been released.
→ Release the steering lock. (→P. 185)
Once(Flashes in yellow for 30 seconds.)
Smart entry & start system indicator
• When the doors were unlocked with the
mechanical key and then the power
switch was pressed, the electronic key
could not be detected in the vehicle.
• The electronic key could not be detected
in the vehicle even after the power switch
was pressed two consecutive times.
→ Touch the electronic key to the power
switch while depressing the brake
pedal.
Interior
buzzer
Exterior
buzzer
Warning
lightWarning light/Details/Actions

4208-2. Steps to take in an emergency
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WARNING
■ When using the compact spare tire
● Remember that the compact spare tire provided is specifically designed
for use with your vehicle. Do not use your compact spare tire on another
vehicle.
● Do not use more than one compact spare tire simultaneously.
● Replace the compact spare tire with a standard tire as soon as possible.
● Avoid sudden acceleration, abrupt steering, sudden braking and shifting
operations that cause sudden engine braking.
■ When storing the compact spare tire
Be careful not to catch fingers or other body parts between the compact
spare tire and the body of the vehicle.
■ After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their
storage location to reduce the possibility of personal injury during a collision
or sudden braking.
■ When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems
may not operate correctly:
● ABS
● Brake assist
● VSC (if equipped)
● TRC (if equipped)
● Cruise control
● PCS (Pre-Crash Safety system) (if equipped)
● LDA (Lane Departure Alert) (if equipped)
● Automatic High Beam (if equipped)
● Navigation system
■ Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km/h (50 mph) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to
observe this precaution may lead to an accident causing death or serious
injury.

4358-2. Steps to take in an emergency
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When trouble arises
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WARNING
■ When fixing the flat tire
● Stop your vehicle in a safe and flat area.
● Do not touch the wheels or the area around the brakes immediately after
the vehicle has been driven.
After the vehicle has been driven, the wheels and the area around the
brakes may be extremely hot. Touching these areas with hands, feet or
other body parts may result in burns.
● To avoid risk of burst or severe leakage, do not drop or damage the bottle.
Visually inspect the bottle before use. Do not use a bottle with shock,
crack, scratch, leakage or any other damage. In such case, immediately
replace.
● Connect the valve and hose securely with the tire installed on the vehicle.
If the hose is not properly connected to the valve, air leakage may occur
as sealant may be sprayed out.
● If the hose comes off the valve while inflating the tire, there is a risk that
the hose will move abruptly due to air pressure.
● After inflation of the tire has completed, the sealant may splatter when the
hose is disconnected or some air is let out of the tire.
● Follow the operation procedure to repair the tire. If the procedures not fol-
lowed, the sealant may spray out.
● Keep back from the tire while it is being repaired, as there is a chance of it
bursting while the repair operation is being performed. If you notice any
cracks or deformation of the tire, turn off the compressor switch and stop
the repair operation immediately.
● The repair kit may overheat if operated for a long period of time. Do not
operate the repair kit continuously for more than 40 minutes.
● Parts of the repair kit become hot during operation. Be careful when han-
dling the repair kit during and after operation. Do not touch the metal part
around the connecting area between the bottle and compressor. It will be
extremely hot.
● Do not attach the vehicle speed warning sticker to an area other than the
one indicated. If the sticker is attached to an area where an SRS airbag is
located, such as the pad of the steering wheel, it may prevent the SRS air-
bag from operating properly.