engine TOYOTA AYGO 2015 Owners Manual (in English)

3057-3. Do-it-yourself maintenance
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Maintenance and care
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■Before recharging
When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore, before recharging:
● If recharging with the battery installed on the vehicle, be sure to disconnect
the ground cable.
● Make sure the power switch on the charger is off when connecting and dis-
connecting the charger cables to the battery.
■ After recharging/reconnecting the battery (vehicles with a smart entry &
start system)
The engine may not start. Follow the procedure below to initialize the system.
Depress the brake pedal with the shift lever in N.
Open and close any of the doors.
Restart the engine.
● Unlocking the doors using the smart entry & start system may not be possi-
ble immediately after reconnecting the battery. If this happens, use the wire-
less remote control or the mechanical key to lock/unlock the doors.
● Start the engine with the engine switch in ACCESSORY mode. The engine
may not start with the engine switch turned off. However, the engine will
operate normally from the second attempt.
● The engine switch mode is recorded by the vehicle. If the battery is recon-
nected, the vehicle will return the engine switch mode to the status it was in
before the battery was disconnected. Make sure to turn off the engine
before disconnect the battery. Take extra care when connecting the battery
if the engine switch mode prior to discharge is unknown.
If the engine will not start even after multiple attempts, contact any authorized
Toyota dealer or repairer, or another duly qualified and equipped professional.
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3067-3. Do-it-yourself maintenance
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WARNING
■ Chemicals in the battery
A battery contains poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following precautions while working on or near the
battery:
● Do not cause sparks by touching the battery terminals with tools.
● Do not smoke or light a match near the battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the battery.
● Keep children away from the battery.
■ Where to safely charge the battery
Always charge the battery in an open area. Do not charge the battery in a
garage or closed room w here there is not sufficient ventilation.
■ How to recharge the battery
Only perform a slow charge (5 A or less). The battery may explode if
charged at a quicker rate.
■ Emergency measures regarding electrolyte
● If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immedi-
ate medical attention. If possible, continue to apply water with a sponge or
cloth while traveling to the nearest medical facility.
● If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
● If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
● If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.
NOTICE
■ When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.

3077-3. Do-it-yourself maintenance
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Maintenance and care
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If the washer does not work, the
washer tank may be empty. Add
washer fluid.
Washer fluid
WARNING
■ When adding washer fluid
Do not add washer fluid when the engine is hot or running as washer fluid
contains alcohol and may catch fire if spilled on the engine, etc.
NOTICE
■ Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
■ Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures list ed on the label of the washer fluid bot-
tle.

3107-3. Do-it-yourself maintenance
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■How to initialize the tire pressure warning system
Park the vehicle in a safe place 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).
Initialization cannot be performed while the vehicle is moving.
Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. ( →P. 416)
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
Turn the engine switch to the “ON” position (vehicles without a
smart entry & start system) or IGNITION ON mode (vehicles with
a smart entry & start system).
Press and hold the tire pres-
sure warning reset switch
until the tire pressure warn-
ing light blinks slowly 3 times.
■ Situations in which the tire pressure warning system may not operate
properly (if equipped)
● This tire pressure warning system ensure a proper function when OE (Origi-
nal Equipment) tire is installed.
● In the following cases, the tire pressure warning system may not operate
properly.
• The vehicle uses non-standard size tires or tires made by other manufac-
turers.
• The vehicle uses tire of different size or manufacturers.
• The vehicle uses snow tires, comp act spare tire (if equipped) or tire
chains.
• The vehicle is being driven below approximately 40 km/h (25 mph).
• The vehicle is being driven on slippery or rough road surfaces.
● When tire inflation pressure declines rapidly for example when a tire has
burst, the warning may not function.
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3187-3. Do-it-yourself maintenance
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Air conditioning filter
Vehicles without a smart entry & start system: Turn the engine
switch to the “LOCK” position.
Vehicles with a smart entry & start system: Turn the engine switch
off.
Pull out the air conditioning filter
as shown in the illustration.
Replace it with a new one.
■ Changing interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to the
“Toyota Service Booklet” or “Toyota Warranty Booklet”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
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NOTICE
■ When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditi oning system without a filter may cause damage to the
system.

3227-3. Do-it-yourself maintenance
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Checking and replacing fuses
Vehicles without a smart entry & start system:
Turn the engine switch to the “LOCK” position.
Vehicles with a smart entry & start system:
Turn the engine switch off.
After a system failure, see “Fuse layout and amperage ratings” for
details about which fuse to check. ( →P. 324)
Open the fuse box cover.
XEngine compartment
Push the tabs in and lift the
cover off.
XDriver’s side instrument panel
Remove the cover.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
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3247-3. Do-it-yourself maintenance
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■Engine compartment
Fuse layout and amperage ratings
FuseAmpereCircuit
1H-LP RH-LO10Right-hand headlight (low beam)
2H-LP LH-LO10Left-hand headlight (low beam), manual
headlight leveling dial
3H-LP RH-HI7.5Right-hand headlight (high beam)
4H-LP LH-HI7.5Left-hand headlight (high beam), gauges
and meters
5EFI NO.3*115Multiport fuel injection system/sequential
multiport fuel injection system
6EFI NO.4*17.5Multiport fuel injection system/sequential
multiport fuel injection system
7EFI NO.5*115Multiport fuel injection system/sequential
multiport fuel injection system
8RDI NO.2*17.5Electric cooling fan
9A/C COMP7.5Air conditioning system
10IG2 NO.3*27.5
Multiport fuel injection system/sequential
multiport fuel injection system, stop
lights, high mounted stoplight
11DOME5Interior light, luggage compartment light
12HAZ10Turn signal lights, emergency flashers,
gauges and meters

3267-3. Do-it-yourself maintenance
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*1: HM01 engine
*2: 1KR engine
*3: Vehicles with a multi-mode manual transmission
*4: Vehicles with a Stop & Start system
*5: Replace the fuse with one of the same ampere rating as the original
33ABS NO.150Anti-lock brake system, vehicle stability
control system
34SPARE10Spar e fus e
35SPARE20Spar e fus e
36SPARE30Spar e fus e
37DEF20Rear window defogger, outside rear view
mirror defoggers
38ABS NO.230Anti-lock brake system, vehicle stability
control system
39FOG FR7.5Front fog lights, gauges and meters
40DRL7.5Daytime running lights
41S/HTR F/R15Seat heaters (right side)
42CANVAS TOP20Canvas top
43S/HTR F/L15Seat heaters (left side)
FuseAmpereCircuit

3297-3. Do-it-yourself maintenance
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Maintenance and care
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*1: 1KR engine
*2: HM01 engine
*3: Left-hand drive vehicles
*4: Right-hand drive vehicles
■After a fuse is replaced
● If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( →P. 330)
● If the replaced fuse blows again, have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
26DOOR F/R*3
25Power windowsDOOR F/L*4
27A/C10Air conditioning system
28FOG RR5Rear fog light
WARNING
■ To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicated, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■ Before replacing fuses
Have the cause of electrical overload determined and repaired by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional as soon as possible.
FuseAmpereCircuit

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8When trouble arises
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8-1. Essential information
Emergency flashers ........... 342
If your vehicle has to
be stopped in an
emergency ....................... 343
8-2. Steps to take in
an emergency
If your vehicle needs
to be towed ...................... 345
If you think
something is wrong.......... 350
Fuel pump shut off
system ............................ 351
If a warning light turns
on or a warning buzzer
sounds ............................. 352
If you have a flat tire
(vehicles with
a spare tire) ..................... 361
If you have a flat tire
(vehicles without
a spare tire) ..................... 374
If the engine
will not start...................... 388
If the shift lever cannot
be shifted (vehicles
with a multi-mode
manual transmission) ...... 390
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system)........ 391
If the vehicle battery
is discharged ................... 394
If your vehicle overheats .... 398
If the vehicle becomes
stuck ................................ 402