engine TOYOTA AYGO 2015 (in English) Repair Manual

177
4
4-4. Refueling
Driving
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Opening the fuel tank cap
●Close all the doors and windows, and turn the engine switch to the
“LOCK” position (vehicles without a smart entry & start system) or
off (vehicles with a smart entry & start system).
● Confirm the type of fuel.
■Fuel types
EU area:
Unleaded gasoline conforming to European standard EN228, Research
Octane Number of 95 or higher.
Except EU area:
Unleaded gasoline, Research Octane Number of 95 or higher.
■ Use of ethanol blended gasoline in a gasoline engine
Toyota allows the use of ethanol blended gasoline where the ethanol content
is up to 10%. Make sure that the ethanol blended gasoline to be used has a
Research Octane Number that follows the above.
Perform the following steps to open the fuel tank cap:
Before refueling the vehicle
WARNING
■ When refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do
so may result in death or serious injury.
● After exiting the vehicle and before opening the fuel door, touch an
unpainted metal surface to discharge any static electricity. It is important to
discharge static electricity before refueling because sparks resulting from
static electricity can cause fuel vapors to ignite while refueling.
● Always hold the grips on the fuel tank cap and turn it slowly to remove it.
A whooshing sound may be heard when the fuel tank cap is loosened.
Wait until the sound cannot be heard before fully removing the cap. In hot
weather, pressurized fuel may spray out the filler neck and cause injury.
● Do not allow anyone that has not discharged static electricity from their
body to come close to an open fuel tank.
● Do not inhale vaporized fuel.
Fuel contains substances that are harmful if inhaled.

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4
4-5. Using the driving support systems
Driving
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Speed limiter∗
A desired maximum speed can be set using the speed limiter switch.
The speed limiter prevents vehicle speed from exceeding the set
speed.
Indicator
Speed limiter switch
Display
*1: For 1KR engine
*2: For HM01 engine
X1KR engine
Press the “ON-OFF” button to
activate the speed limiter.
Press the button once more to
deactivate the speed limiter.
∗: If equipped
Summary of functions
*1*2
*11
2
3
Setting the speed limiter
1

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Accelerate or decelerate to the
desired speed and push the
lever down to set the desired
maximum speed.
XHM01 engine
Press the “ON-OFF” button to
activate the speed limiter.
Press the button once more to
deactivate the speed limiter.
Pull the lever towards you to
setting the speed limiter.
The last desired maximum speed
is set. To change the desired maxi-
mum speed: →P. 182
When the speed limiter is set, the
“OFF” indicator turns off.
Increase speed
Decrease speed
Hold the lever until the desired
speed setting is obtained.
Fine adjustment of the set speed
can be made by lightly pushing the
lever up or down and releasing it.
2
1
2
Adjusting the speed setting
1
2

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Driving
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X1KR engine
Cancel
Pull the lever towards you to can-
cel the speed limiter.
Resume
To resume use of the speed limiter,
push the lever up.
XHM01 engine
Cancel/Resume
Pulling the lever towards you can-
cels the speed limiter. Pulling the
lever towards you again resumes
the speed limiter.
■ When setting the speed limiter
If the vehicle speed is set lower than 30 km/h (20 mph), the desired maximum
speed is set to 30 km/h (20 mph).
■ Exceeding the set speed
In the following situations, when the vehicle speed exceeds the set speed,
the display characters will flash:
● When fully depressing the accelerator pedal
● When driving down a slope (A warning buzzer will sound)
■ When the speed limiter is operating (1KR engine only)
Speed limiter information is displayed in the multi-information display when it
is operating. When the display is switched over to another display, the speed
limiter information returns after 6 seconds.
Canceling and resuming the speed limiter
1
2

185
4
4-5. Using the driving support systems
Driving
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Stop & Star t system∗
With the clutch pedal fully depressed, stop the vehicle. Then shift
the shift lever to N.
Release the clutch pedal.
The engine will stop and the Stop &
Start indicator will come on.
Check that the shift lever is in N and depress the clutch pedal.
The engine will restart. The Stop & Start indicator will go off.
(In this situation, releasing the clutch pedal will not stop the engine again.)
∗: If equipped
The Stop & Start system stops and restarts the engine according
to the clutch pedal operation for stopping and starting the vehi-
cle.
Stopping the engine
1
2
Restarting the engine

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Press the Stop & Start cancel
switch to disable the Stop & Start
system.
The Stop & Start cancel indicator
will come on.
The engine will not stop at each
stop when the clutch pedal is
depressed to stop the engine
( →P. 185).
Pressing the switch again to re-
enable the Stop & Start system.
■If the Stop & Start cancel switch is pressed while the vehicle is
stopped
● When the engine is stopped by the Stop & Start system, pressing
the Stop & Start cancel switch will restart the engine.
From the next time the vehicle is stopped (after Stop & Start sys-
tem has been turned off), the engine will not be stopped.
● With the Stop & Start system disabled, pressing the Stop & Start
cancel switch will re-enable the system but not stop the engine.
From the next time the vehicle is stopped (after Stop & Start sys-
tem has been turned on), the engine will be stopped.
■ Operating conditions
● The Stop & Start system is operational when all of the following conditions
are met:
• The engine is adequately warmed up.
• The battery is sufficiently charged.
• The driver’s door is closed.
• The hood is closed.
• The driver’s seat belt is fastened.
• The clutch pedal is not being depressed.
• The shift lever is in N.
Disabling the Stop & Start system

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● In the following circumstances the engine may not be stopped by the Stop &
Start system. This is not a malfunction of the Stop & Start system.
• The engine coolant temperature is extremely high or low.
• The outside temperature is extremely low.
• The air conditioning system is being used when the vehicle interior tem-
perature is extremely high such as after the vehicle was parked under the
hot sun.
• The air conditioning system is being used when the outside temperature
is high or low.
• Vehicles with an automatic air condi tioning system only: The windshield
defogger is being used.
• The battery is not sufficiently charged, or is undergoing a periodic
recharge.
• Due to traffic or other circumstances the vehicle is stopped repeatedly,
resulting in the amount of time the engine is stopped by the Stop & Start
system to become excessively high.
• The brake booster vacuum is low.
• A large amount of electricity is being used.
• At high altitude.
When the above conditions improve, the Stop & Start system will stop and
restart the engine from the next time the vehicle is stopped.
● In the following situations, the engine may start even without the clutch
pedal being depressed.
• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used or turned on.
• Vehicles with an automatic air condi tioning system only: The windshield
defogger is turned on.
• The battery is not sufficiently charged.
• The vehicle starts to roll on an incline.
• A large amount of electricity is being used.
• The driver’s door is opened.
• The driver’s seat belt is unfastened.
● In the following situations, it may take longer than normal for the Stop & Start
system to activate.
• The battery is discharged.
• After the battery terminals have been disconnected and reconnected
after a battery replacement, etc.
• The engine coolant temperature is low.

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■ Automatic reactivation of the Stop & Start system
Vehicles without a smart entry & start system: Even if the Stop & Start system
is disabled by the Stop & Start cancel switch, it will be automatically re-
enabled once the engine switch is turned to the “LOCK” position then to the
“START” position
Vehicles with a smart entry & start system: Even if the Stop & Start system is
disabled by the Stop & Start cancel switch, it will be automatically re-enabled
once the engine switch is turned off then the engine is started.
■ The Stop & Start system protection feature
Vehicles without a smart entry & st art system: When an excessively loud
sound is being projected by the audio system, the audio system may be auto-
matically cut off in order to maintain power for the Stop & Start system func-
tion.
If this occurs, turning the engine switch to the “LOCK” position then to the
“ACC” or “ON” position re -enables the audio system.
Vehicles with a smart entry & start system: When an excessively loud sound
is being projected by the audio system, the audio system may be automati-
cally cut off in order to maintain power for the Stop & Start system function.
If this occurs, turning the engine switch off then to ACCESSORY mode or
IGNITION ON mode re-enables the audio system.
■ Steering wheel operation
When the engine is stopped by the Stop & Start system, the steering wheel
may become heavier than when driving.
■ Hood
If the hood is opened while the engine is stopped by the Stop & Start system,
the engine cannot be restarted by the Stop & Start system or the automatic
engine start function. Restart the engi ne with the engine switch operation.
( →P. 151, 154)
■ When to use the Stop & Start system
Use the Stop & Start system when stopping the vehicle temporarily at red
lights, intersections, etc. When stoppi ng the vehicle for a longer period of
time, turn off the engine completely.
■ Stop & Start system warning buzzer
If the engine is stopped by the Stop & Start system and the following action is
performed, a buzzer will sound and Stop & Start indicator will flash. This indi-
cates that the engine is only stopped by the Stop & Start system, not that the
engine has been turned off completely.
● The shift lever is shifted into a position other than N with the clutch pedal
released.
Even in this situation, the engine starts if the clutch pedal is depressed.

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Driving
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■ If the Stop & Start cancel indicator continues to flash
The Stop & Start system may be malfunctioning. Contact any authorized
Toyota dealer or repairer, or another duly qualified and equipped professional.
■ If the windshield is fogged up while the engine is stopped by the Stop &
Start system
● Vehicles with a manual air conditioning system: Restart the engine by
depressing the clutch pedal ( →P. 185) or by pressing the Stop & Start can-
cel switch, and then set the air outlet selection dial to . ( →P. 258)
● Vehicles with an automatic air conditioning system: Turn the windshield
defogger on. (The engine will start due to the automatic engine start func-
tion.) ( →P. 264)
If the windshield fogs up frequently, press the Stop & Start cancel switch to
deactivate the system.
■ The Stop & Start system operation time and Stop & Start system total
operation time display
→ P. 8 6
■ Replacing battery
The installed battery is specific to the Stop & Start system. It should only be
replaced with a battery of identical type and rating.
Ask any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional for further details.
WARNING
■ When the Stop & Start system is operating
● Keep the shift lever in N and apply the brake pedal or parking brake for
safety while the engine is stopped due to the Stop & Start system (while
the Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Do not leave the vehicle while the engine is stopped due to the Stop &
Start system (while the Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Ensure that the engine is not stopped by the Stop & Start system while the
vehicle is in a poorly ventilated area. The engine may restart due to the
automatic engine start function, causing exhaust gases to collect and
enter the vehicle and resulting in death or a serious health hazard.

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The slip indicator will flash while
the TRC/VSC systems are operat-
ing.
If the vehicle gets stuck in mud, dirt or snow, the TRC system may
reduce power from the engine to the wheels. Pressing to turn the
system off may make it easier for you to rock the vehicle in order to
free it.
■Turning off the TRC system only
To turn the TRC system off,
quickly press and release the
button.
The “TRC OFF” indicator will
come on.
Press the button again to turn
the system back on.
■Turning off both TRC and VSC systems
To turn the TRC and VSC sys-
tems off, press and hold the
button for more than 3 seconds
while the vehicle is stopped.
The “TRC OFF” indicator and
VSC off indicator will come on.
Press the button again to turn
the system back on.
When the TRC/VSC systems are operating
Disabling the TRC system