Toyota C-HR Hybrid (2017 year). Manual — part 39
646
8-2. Steps to take in an emergency
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on
the situation. Check the following and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. (P. 221)
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly. (P. 648)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (P. 94)
● There may be a malfunction in the immobilizer system. (P. 99)
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. (P. 647)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 651)
● The 12-volt battery terminal connections may be loose or corroded.
(P. 536)
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The interior lights and headlights do not turn on, or the horn
does not sound.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 651)
● One or both of the 12-volt battery terminals may be disconnected.
(P. 536)
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer if the problem cannot be repaired, or if repair procedures
are unknown.
Emergency start function
When the hybrid system does not start, the following steps can be
used as an interim measure to start the hybrid system if the power
switch is functioning normally.
Do not use this starting procedure except in cases of emergency.
1
Set the parking brake.
2
Shift the shift lever to P.
3
Turn the power switch to ACCESSORY mode.
4
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
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648
8-2. Steps to take in an emergency
If the electronic key does not operate
properly
If communication between the electronic key and vehicle is inter-
rupted (P. 166) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireless
remote control cannot be used. In such cases, the doors can be
opened and the hybrid system can be started by following the pro-
cedure below.
Locking and unlocking the doors
Use the mechanical key (P. 145) in order to perform the following
operations:
1
Locks all the doors
2
Closes the windows (turn and
hold)*
3
Unlocks all the doors
4
Opens the windows (turn and
hold)*
*: These settings must be custom-
ized at any authorized Toyota
retailer
or Toyota authorized
repairer, or any reliable repairer.
(P. 679)
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649
Starting the hybrid system
1
Ensure that the shift lever is in P and depress the brake pedal.
2
Touch the Toyota emblem side
of the electronic key to the
power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON mode.
When the smart entry & start sys-
tem is deactivated in customization
setting, the power switch will turn
to ACCESSORY mode.
3
Firmly depress the brake pedal and check that
and mes-
sages are shown on the multi-information display.
4
Press the power switch.
In the event that the hybrid system still cannot be operated, contact
any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
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650
8-2. Steps to take in an emergency
■ Stopping the hybrid system
Set the parking brake, shift the shift lever to P and press the power switch as
you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(P. 561)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. (P. 106)
■ Changing power switch modes
Release the brake pedal and press the power switch in step
3
above. The
hybrid system does not start and modes will be changed each time the switch
is pressed. (P. 222)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: P. 679)
●Check if battery-saving mode is set. If it is set, cancel the function.
(P. 165)
WARNING
■ When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the side
window. Also, do not allow children to operate the mechanical key. It is pos-
sible for children and other passengers to get caught in the power window.
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651
If the 12-volt battery is discharged
The following procedures may be used to start the hybrid sys-
tem if the vehicle’s 12-volt battery is discharged.
You can also call any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer or a qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following the
steps below.
1
Vehicles with an alarm
(P. 106):
Confirm that the electronic key
is being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and the doors may lock. (P. 109)
Open the hood. (P. 526)
2
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652
8-2. Steps to take in an emergency
3
Connect the jumper cables according to the following procedure:
1
Connect a positive jumper cable clamp to the positive (+) battery
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
2
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
3
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
4
solid, stationary, unpainted metallic point away from the 12-volt
battery and any moving parts, as shown in the illustration.
Start the engine of the second vehicle. Increase the engine speed
4
slightly and maintain at that level for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Maintain the engine speed of the second vehicle and start the
5
hybrid system of your vehicle by turning the power switch to ON
mode.
Make sure the “READY” indicator comes on. If the indicator light
6
does not come on, contact any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
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653
7
Once the hybrid system has started, remove the jumper cables in
the exact reverse order from which they were connected.
Once the hybrid system starts, have the vehicle inspected at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer as soon as possible.
■ Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■ To prevent 12-volt battery discharge
● Turn off the headlights and the audio system while the hybrid system is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic.
■ When the 12-volt battery is removed or discharged
●Information stored in the ECU is cleared. When the 12-volt battery is
depleted, have the vehicle inspected at any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
●Some systems may require initialization. (P. 689)
■ When removing the 12-volt battery terminals
When the 12-volt battery terminals are removed, the information stored in the
ECU is cleared. Before removing the 12-volt battery terminals, contact any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■ Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when
the vehicle is not in use, due to natural discharge and the draining effects of
certain electrical appliances. If the vehicle is left for a long time, the 12-volt
battery may discharge, and the hybrid system may be unable to start. (The
12-volt battery recharges automatically while the hybrid system is operating.)
8
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654
8-2. Steps to take in an emergency
■ When recharging or replacing the 12-volt battery
●In some cases, it may not be possible to unlock the doors using the smart
entry & start system when the 12-volt battery is discharged. Use the wire-
less remote control or the mechanical key to lock or unlock the doors.
● The hybrid system may not start on the first attempt after the 12-volt battery
has recharged but will start normally after the second attempt. This is not a
malfunction.
●The power switch mode is memorized by the vehicle. When the 12-volt bat-
tery is reconnected, the system will return to the mode it was in before the
12-volt battery was discharged. Before disconnecting the 12-volt battery,
turn the power switch off.
If you are unsure what mode the power switch was in before the 12-volt bat-
tery discharged, be especially careful when reconnecting the 12-volt battery.
■ When exchanging the 12-volt battery
● Use a 12-volt battery that conforms to European regulations.
● Use a 12-volt battery with the same case size as the previous 12-volt battery
and an equivalent 20 hour rate capacity (20HR) or greater.
• If the sizes differ, the 12-volt battery cannot be properly secured.
• If the 20 hour rate capacity is low, even if the time period where the vehi-
cle is not used is a short time, the 12-volt battery may discharge and the
hybrid system may not be able to start.
● For details, consult any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
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655
WARNING
■ When removing the 12-volt battery terminals
Always remove the negative (-) terminal first. If the positive (+) terminal con-
tacts any metal in the surrounding area when the positive (+) terminal is
removed, a spark may occur, leading to a fire in addition to electrical shocks
and death or serious injury.
■ Avoiding 12-volt battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the 12-volt battery:
● Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the intended terminal.
●Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
●Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
●Do not smoke, use matches, cigarette lighters or allow open flame near
the 12-volt battery.
■ 12-volt battery precautions
The 12-volt battery contains poisonous and corrosive acidic electrolyte,
while related parts contain lead and lead compounds. Observe the following
precautions when handling the 12-volt battery:
● When working with the 12-volt battery, always wear safety glasses and
take care not to allow any battery fluids (acid) to come into contact with
skin, clothing or the vehicle body.
●Do not lean over the 12-volt battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
8
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the 12-volt battery support, termi-
nals, and other battery-related parts.
●Do not allow children near the 12-volt battery.
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8-2. Steps to take in an emergency
NOTICE
■ When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans, etc.
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657
If your vehicle overheats
The following may indicate that your vehicle is overheating.
● The needle of the engine coolant temperature gauge (P. 125)
enters the red zone or a loss of hybrid system power is experi-
enced. (For example, the vehicle speed does not increase.)
● “Hybrid System Overheated Reduced Output Power.” is shown on
the multi-information display.
● Steam comes out from under the hood.
Correction procedures
■ If the high coolant temperature warning light comes on
Stop the vehicle in a safe place and turn off the air conditioning
1
system, and then stop the hybrid system.
If you see steam:
2
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has cooled down sufficiently, inspect the
3
hoses and radiator core (radiator) for any leaks.
1
Radiator
2
Cooling fans
If a large amount of coolant
8
leaks, immediately contact
any authorized Toyota retailer
or Toyota authorized repairer,
or any reliable repairer.
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8-2. Steps to take in an emergency
4
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
1
Reservoir
2
“FULL” line
3
“LOW” line
Add coolant if necessary.
5
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
6
check that the radiator cooling fans operate and to check for
coolant leaks from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly. (The fans may not operate in
freezing temperatures.)
If the fans are not operating:
7
Stop the hybrid system immediately and contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
If the fans are operating:
Have the vehicle inspected at the nearest any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
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659
■ If “Hybrid System Overheated Reduced Output Power.” is
shown on the multi-information display
1
Stop the vehicle in a safe place.
2
Stop the hybrid system and carefully lift the hood.
3
After the hybrid system has cooled down, inspect the hoses and
radiator core (radiator) for any leaks.
1
Radiator
2
Cooling fans
If a large amount of coolant
leaks, immediately contact
any authorized Toyota retailer
or Toyota authorized repairer,
or any reliable repairer.
4
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
1
Reservoir
2
“FULL” line
3
“LOW” line
5
Add coolant if necessary.
8
Water can be used in an emer-
gency if coolant is unavailable.
If water was added in an emer-
gency, have the vehicle
inspected at any authorized
Toyota retailer or Toyota autho-
rized repairer, or any reliable
repairer as soon as possible.
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660
8-2. Steps to take in an emergency
After stopping the hybrid system and waiting for 5 minutes or
6
more, start the hybrid system again and check if “Hybrid System
Overheated” is shown on the multi-information display.
If the message does not disappear:
Stop the hybrid system and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
If the message is not displayed:
The hybrid system temperature has dropped and the vehicle may
be driven normally.
However, if the message appears again frequently, contact any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
WARNING
■ To prevent an accident or injury when inspecting under the hood of
your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot.
● After the hybrid system has been turned off, check that the indicator on the
power switch and the “READY” indicator are off.
When the hybrid system is operating, the gasoline engine may automati-
cally start, or the cooling fans may suddenly operate even if the gasoline
engine stops. Do not touch or approach rotating parts such as the fan,
which may lead to fingers or clothing (especially a tie, a scarf or a muffler)
getting caught, resulting in serious injury.
●Do not loosen the coolant reservoir caps while the hybrid system and radi-
ator are hot.
High temperature steam or coolant could spray out.
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661
NOTICE
■ When adding engine/power control unit coolant
Add coolant slowly after the hybrid system has cooled down sufficiently.
Adding cool coolant to a hot hybrid system too quickly can cause damage to
the hybrid system.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sand or dust,
etc.).
●Do not use any coolant additive.
8
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8-2. Steps to take in an emergency
If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
1
Set the parking brake and shift the shift lever to P. Stop the hybrid
system.
2
Remove the mud, snow or sand from around the front wheels.
3
Place wood, stones or some other material under the front wheels
to help provide traction.
4
Restart the hybrid system.
5
Shift the shift lever to D or R and release the parking brake. Then,
while exercising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Press
to turn off TRC.
A message will be shown on the multi-
information display.
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