2023 TOYOTA PRIUS ECU

5787-2. Steps to take in an emergency
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WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■ Installing towing eyelets to the vehicle
● The towing eyelets are only for the vehicle equipped with them. Do not use
the towing eyelets for another vehicle, and do not use the towing eyelets
for this vehicle on another vehicle.
● Make sure that towing eyelets are installed securely.
If not securely installed, towing eyelets may come loose during towing.
NOTICE
■ Towing with a sling-type truck
■ To prevent damage to the vehicle when towing using a wheel-lift type
truck
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
Do not tow with a sling-type truck to pre-
vent body damage.

5937-2. Steps to take in an emergency
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When trouble arises
■If “See Owner’s Manual” is shown
● If “Braking Power Low Stop in a Safe Place See Owner’s Manual” is shown,
this may be a malfunction. Immediately stop the vehicle in a safe place and
contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer. Continuing to drive the vehicle may be dangerous.
● If “Engine Oil Pressure Low” is shown, this may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
● If the following messages are shown, there may be a malfunction. Immedi-
ately have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Entry & Start System Malfunction See Owner’s Manual”
● Vehicles with GPF system: If “Exhaust Filter Full See Owner’s Manual” is
shown on the multi-information display is shown, follow the instruction.
( P. 440)
■ If “Shift System Not Active Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
Indicates a temporary operation failure or malfunction in the shift control sys-
tem. Immediately have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 597)
■ If “Shift System Malfunction Apply Parking Brake Securely While Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediately have the vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 597)
■ If “ Switch Malfunction Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
The P position switch may not operate. Immediately have the vehicle
inspected by any authorized Toyota retailer or Toyota authorized repairer, or
any reliable repairer.
When parking the vehicle, stop the vehicle on level ground and apply the
parking brake firmly.

5947-2. Steps to take in an emergency
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■ If “Shift System Malfunction Shifting Unavailable See Owner’s Manual”
is shown
Indicates a malfunction in the shift control system. Immediately have the vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer.
The shift position may not be shifted from P to other than P.
■ If “Shift System Malfunction Stop in a Safe Place See Owner’s Manual”
is shown
Indicates a malfunction in the shift control system. Immediately have the vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer.
The shift position may not be changed. Stop the vehicle in a safe place.
■ If “Shift System Malfunction See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediately have the sys-
tem inspected by any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer.
The system may not operate properly.
■ If “Low 12-Volt Battery Apply Parking Brake Securely While Parking See
Owner’s Manual” is shown
Indicates that the 12-volt battery charge is insufficient. Charge or replace the
12-volt battery.
● When the message is shown, the hybrid system may not start or the shift
position may not be changed normally. (Coping method: P. 597)
● After charging the 12-volt battery, the message may not go off until the shift
position is changed from P.
■ If “Shifting Unavailable Low 12-Volt Battery See Owner’s Manual” is
shown
Indicates that the shift position cannot be changed because the voltage of the
12-volt battery drops. Charge or replace the 12-volt battery.
(Coping method in the case the 12-volt battery is discharged: P. 639)
■ If “Hybrid System Overheated. Reduced Output Power.” is shown
The message may be shown when driving under severe operating conditions.
(For example, when driving up a long steep hill or driving up a steep hill in
reverse.)
Coping method: P. 645

6037-2. Steps to take in an emergency
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When trouble arises
Pull up the handle to open the
deck board.
Secure the deck board using
the grocery bag hooks.
( P. 481)
Take out the emergency tire puncture repair kit.
If the luggage cover is stowed, turn over the luggage cover to take out the
emergency tire puncture repair kit.
Taking out the emergency tire puncture repair kit
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2WD modelsAWD models

6047-2. Steps to take in an emergency
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■Taking out the jack
Unhook the tightening strap and take out the jack.
■Storing the jack
Place the jack in the same direction as the mark next to the storage
space.
2WD models AWD models
2WD models AWD models
WARNING
■ 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.

6067-2. Steps to take in an emergency
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Connect the hose to the bottle.
As shown in the illustration, make
sure the hose is connected
securely to the bottle.
Remove the valve cap from the
valve of the punctured tire.
Extend the hose. Remove the
air release cap from the hose.
You will use the air release cap
again. Therefore keep it in a safe
place.
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6157-2. Steps to take in an emergency
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7
When trouble arises
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.
● 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 handling the
repair kit during and after operation. Do not touch the metal part connect-
ing the bottle and the 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.

6227-2. Steps to take in an emergency
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Pull up the handle to open the
deck board.
Secure the deck board using
the grocery bag hooks.
( P. 481)
Unhook the tightening strap
and take out the jack.
Taking out the jack
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2
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