check engine TOYOTA AYGO 2017 (in English) Service Manual

4388-2. Steps to take in an emergency
AYGO_OM_Europe_OM99Q24E
Add coolant if necessary.
Water can be used in an emergency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
that the radiator cooling fan operate and to check for coolant leaks
from the radiator or hoses.
The fan operate when the air conditioning system is turned on immediately
after a cold start. Confirm that the fan is operating by checking the fan
sound and air flow. If it is difficult to check these, turn the air conditioning
system on and off repeatedly. (The fan may not operate in freezing tem-
peratures.)
If the fan is not operating:
Stop the engine immediately and contact any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
If the fan is operating:
Have the vehicle inspected at the nearest any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
1KR engineHM01 engine

4469-1. Specifications
AYGO_OM_Europe_OM99Q24E
1KR engine
*: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Warm up and turn off the engine, wait more than 5 minutes,
and check the oil level on the dipstick.
Fuel
Fuel type
When you find these types of fuel label at the gas
station, use only the fuel with one of the following
labels.

EU area:
Unleaded gasoline conforming to European stan-
dard EN228 only
Except EU area:
Unleaded gasoline only
Research octane
number95 or higher
Fuel tank capacity
(Reference)35 L (9.2 gal., 7.7 Imp.gal.)
Lubrication system
Oil capacity
(Drain and refill  Reference*)
With filter2.8 L (3.0 qt., 2.5 Imp.qt.)
Without filter2.6 L (2.7 qt., 2.3 Imp.qt.)

4499-1. Specifications
9
Vehicle specifications
AYGO_OM_Europe_OM99Q24E
HM01 engine
*: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Warm up and turn off the engine, wait more than 5 minutes,
and check the oil level on the dipstick.
■Engine oil selection
“TOTAL ACTIVA 7000/9000” or “TOTAL QUARTZ 7000/9000”
engine oil is used in your Toyota vehicle. Toyota recommends the
use of approved “TOTAL ACTIVA 7000/9000” or “TOTAL QUARTZ
7000/9000” engine oil.
Another motor oil of matching quality can also be used.
Oil grade:
5W-40 and 10W-40:
API grade SL “Energy-Conserving” or SM “Energy-Conserving”
Recommended viscosity (SAE):
If you use SAE 10W-40 or a
higher viscosity engine oil in
extremely low temperatures,
the engine may become difficult
to start, so SAE 5W-40 engine
oil is recommended.
Oil capacity
(Drain and refill  Reference*)
With filter3.25 L (3.43 qt., 2.86 Imp.qt.)
Without filter3.0 L (3.2 qt., 2.6 Imp.qt.)
Temperature range anticipated
before next oil change

4529-1. Specifications
AYGO_OM_Europe_OM99Q24E
HM01 engine
Capacity (Reference)4.5 L (4.8 qt., 4.0 Imp.qt.)
Coolant type
Use either of the following:
• “Toyota Genuine Premium Long Life Coolant
2WZ-TV”
• Similar high-quality ethylene glycol-based non-
silicate, non-amine, non- nitrite, and non-borate
coolant with long-life hybrid organic acid tech-
nology
Do not use plain water alone.
NOTICE
■ To prevent serious engine damage
Do not mix “Toyota Super Long Life Coolant” with “Toyota Genuine Pre-
mium Long Life Coolant 2WZ-TV”.
Electrical system
Battery
Open voltage* at
20 C (68F):
12.6  12.8 V Fully charged
12.2  12.4 V Half charged
11 . 8  12.0 V Discharged
(*: Voltage checked 20 minutes after the
engine and all the lights are turned off)
Charging rates5 A max.

462What to do if... (Troubleshooting)
AYGO_OM_Europe_OM99Q24E
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine keys or mechanical
keys can be made by any authorized Toyota dealer or repairer, or another
duly qualified and equipped professional. ( P. 100)
●Vehicles with a smart entry & start system
If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional immediately. ( P. 107)
●Is the key battery weak or depleted? (P. 354)
●Vehicles with a smart entry & start system
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 160)
●Vehicles with a smart entry & start system
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. ( P. 112, 121)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 111 )
If you have a problem, check the following before contacting any
authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened (5-door models)

469Alphabetical index
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Drive monitor display ................ 91
Switching the display .............. 91
Trip information ....................... 91
Driving ...................................... 144
Break-in tips .......................... 146
Correct posture ....................... 28
Procedures............................ 144
Winter drive tips .................... 229
Electric Power Steering
(EPS) ....................................... 223
Function ................................ 223
Warning light ......................... 391
Electronic key ............................ 98
Battery-saving function ......... 121
If the electronic key does not
operate properly ................. 429
Replacing the battery ............ 354
Emergency, in case of
If the electronic key does not
operate properly ................. 429
If the engine will not start ...... 426
If the shift lever cannot be
shifted ................................. 428
If the vehicle has discharged
battery................................. 432
If the warning buzzer
sounds ................................ 389
If the warning light
turns on............................... 389
If you have a flat tire...... 399, 412
If you lose your keys ............. 100
If you think something is
wrong .................................. 387
If your vehicle becomes
stuck ................................... 440
If your vehicle needs to be
towed .................................. 381
If your vehicle overheats ....... 436
Emergency brake signal ......... 223
Emergency flashers ................ 378
Emergency tire puncture
repair kit ................................. 412
Engine
“ACC” position ...................... 155
Accessory mode ................... 160
Compartment ........................ 331
Engine switch................ 155, 158
Hood ..................................... 328
How to start
the engine................... 155, 158
If the engine will not start ...... 426
Ignition switch
(engine switch) ........... 155, 158
Overheating .......................... 436
Engine coolant ......................... 336
Capacity ................................ 451
Checking ............................... 336
Preparing and checking
before winter....................... 229
Engine coolant
temperature
warning light .................. 389, 390
Engine immobilizer system ...... 76
Engine oil ................................. 333
Capacity ................................ 446
Checking ............................... 333
Preparing and checking
before winter....................... 229
Engine switch
(ignition switch)............. 155, 158
EPS (Electronic Power
Steering)................................. 223
Function ................................ 223
Warning light ......................... 391
E

476Alphabetical index
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Tachometer ................................ 90
Tail lights .................................. 172
Light switch ........................... 172
Replacing light bulbs ............. 371
Wattage................................. 456
Telephone switches*...... 263, 267
Theft deterrent system
Engine immobilizer system ..... 76
Tire inflation pressure ............. 349
Maintenance data ................. 454
Warning light ......................... 394
Tire pressure warning
system .................................... 344
Function ................................ 344
Initializing .............................. 344
Tire pressure warning reset
switch.................................. 345
Warning light ......................... 394
Tires .......................................... 343
Chains ................................... 229
Checking ............................... 343
If you have a flat tire...... 399, 412
Inflation pressure .................. 454
Replacing ...................... 399, 412
Rotating tires ......................... 343
Size ....................................... 454
Snow tires ............................. 231
Spare tire .............................. 399
Tire pressure warning
system ................................ 344
Warning light ......................... 394
Tools ................................. 400, 413
Top strap .................................... 73
Towing
Emergency towing ................ 383
Towing eyelet........................ 383
Trailer towing ........................ 154
Toyota Safety Sense ............... 186
Transmission
If the shift lever cannot be
shifted ................................. 428
Manual transmission ............. 168
Multi-mode manual
transmission ....................... 163
Paddle shift switches ............ 164
TRC (Traction Control) ............ 223
Trip information ......................... 91
Trip meters ................................. 91
Turn signal lights..................... 170
Replacing light
bulbs................... 368, 371, 374
Turn signal lever ................... 170
Wattage ................................ 456
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