Page 597 of 700
5
597 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27EConnect the hose to the valve.
Screw the end of the hose clock-
wise as far as possible.
Make sure that the compressor
switch is off.
Remove the power plug from the
compressor.
Connect the power plug to the
power outlet socket or cigarette
lighter socket.
Page 608 of 700

608
5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52D27E
If the engine will not start (except hybrid vehicle)
If the engine will not start even though correct starting procedures
are being followed (P. 222, 226), consider each of the following
points:
The engine will not start even though the starter motor
operates normally.
One of the following may be the cause of the problem:
There may not be sufficient fuel in the vehicle’s tank.
Gasoline engine: Refuel the vehicle.
Diesel engine: (P. 641)
The engine may be flooded. (gasoline engine)
Try to restart the engine again following correct starting proce-
dures. (P. 222, 226)
There may be a malfunction in the engine immobilizer system.
(P. 155)
The starter motor turns over slowly, 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 battery may be discharged. (P. 621)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over. (vehicles with a smart
entry & start system)
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.
(P. 609)
Page 609 of 700

5
609 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27E
Emergency start function (vehicles with a smart entry & start system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally:
Vehicles with a Multidrive
Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Push and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle inspected by any authorized
Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
The starter motor does not turn over, 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:
One or both of the battery terminals may be disconnected.
The battery may be discharged. (P. 621)
There may be a malfunction in the steering lock system (vehi-
cles with a smart entry & start system).
Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional if the problem cannot be
repaired, or if repair procedures are unknown.
Page 611 of 700

5
611
5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27E
If the hybrid system will not start (hybrid vehicle)
Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
The hybrid system will not start even though the correct
starting procedure is being followed. (P. 236, 241)
One of the following may be the cause of the problem:
Vehicles with an electronic key: The electronic key may not be
functioning properly. (P. 619)
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (P. 151)
There may be a malfunction in the immobilizer system.
(P. 155)
There may be a malfunction in the steering lock system.
The hybrid system may be malfunctioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malfunction, an interim measure is
available to start the hybrid system. (P. 612)
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. 628)
The 12-volt battery terminal connections may be loose or cor-
roded.
Page 612 of 700

612 5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52D27E
Emergency start function (vehicles with an electronic key)
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:
Shift the shift lever to P.
Set the parking brake.
Turn the “POWER” switch to ACCESSORY mode.
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 dealer or repairer, or another duly qualified and
equipped professional.
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:
One or both of the 12-volt battery terminals may be discon-
nected.
The 12-volt battery may be discharged. (P. 628)
Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional if the problem cannot be repaired,
or if repair procedures are unknown.
Page 617 of 700

5
617 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27E
Starting the engine (except hybrid vehicle)
Vehicles with a Multidrive
Ensure that the shift lever is in P and firmly depress the brake
pedal.
Touch the Toyota emblem side of
the electronic key to the
“ENGINE START STOP” switch.
The “ENGINE START STOP”
switch will turn to IGNITION ON
mode.
When the smart entry & start system is deactivated in customization
setting, the “ENGINE START STOP” switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and check that the smart entry
& start system indicator light (green) turns on.
Press the “ENGINE START STOP” switch.
In the event that the “ENGINE START STOP” switch still can-
not be operated, contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
Vehicles with a multi-mode manual transmission
Ensure that the shift lever is in N and firmly depress the brake
pedal.
Touch the Toyota emblem side of
the electronic key to the
“ENGINE START STOP” switch.
The “ENGINE START STOP”
switch will turn to IGNITION ON
mode.
Page 618 of 700

618 5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52D27EWhen the smart entry & start system is deactivated in customization
setting, the “ENGINE START STOP” switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and check that the smart entry
& start system indicator light (green) turns on.
Press the “ENGINE START STOP” switch.
In the event that the “ENGINE START STOP” switch still can-
not be operated, contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
Vehicles with a manual transmission
Ensure that the shift lever is in N and depress the clutch
pedal.
Touch the Toyota emblem side of
the electronic key to the
“ENGINE START STOP” switch.
The “ENGINE START STOP”
switch will turn to IGNITION ON
mode.
When the smart entry & start system is deactivated in customization
setting, the “ENGINE START STOP” switch will turn to ACCESSORY
mode.
Firmly depress the clutch pedal and check that the smart
entry & start system indicator light (green) turns on.
Press the “ENGINE START STOP” switch.
In the event that the “ENGINE START STOP” switch still can-
not be operated, contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
Page 619 of 700

5
619 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27E
Starting the hybrid system (hybrid vehicle)
Ensure that the shift lever is in P and firmly depress the brake
pedal.
Touch the Toyota emblem side of
the electronic key to the
“POWER” switch.
The “POWER” switch will turn to
ON mode.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the start
function cannot detect the elec-
tronic key.
When the smart entry & start system is deactivated in customization
setting, the “POWER” switch will turn to ACCESSORY mode.
Firmly depress the brake pedal and check that the smart entry
& start system indicator light (green) turns on.
Press the “POWER” switch.
In the event that the hybrid system still cannot be operated,
contact any authorized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Stopping the engine (except hybrid vehicle)
Vehicles with a Multidrive: Shift the shift lever to P and press the “ENGINE
START STOP” switch as you normally do when stopping the engine.
Except vehicles with a Multidrive: Shift the shift lever to N and press the
“ENGINE START STOP” switch as you normally do when stopping the
engine.
Stopping the hybrid system (hybrid vehicle)
Shift the shift lever to P and press the “POWER” switch as you normally do
when stopping the hybrid system.