check engine TOYOTA AYGO 2019 (in English) Service Manual

4668-2. Steps to take in an emergency
AYGO_OM_Europe_OM99R19E
The coolant level is satisfactory if it is between the “FULL” or “F”
and “LOW” lines on the reservoir.
Radiator cap
Reservoir
“FULL” or “F”
“LOW”
Add coolant if necessary.
Water can be used in an emer-
gency 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.)
Ty pe ATy pe B
1
2
3
4

4749-1. Specifications
AYGO_OM_Europe_OM99R19E
*: 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
Model1KR-FE
Ty p e3-cylinder in line, 4-cycle, gasoline
Bore and stroke71.0  84.0 mm (2.79  3.30 in.)
Displacement998 cm3 (60.9 cu.in.)
Valve clearance
(engine cold)
Intake: 0.145  0.235 mm (0.006  0.009 in.)
Exhaust: 0.275  0.365 mm (0.011  0.014 in.)
Drive belt tensionAutomatic adjustment
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.)

4789-1. Specifications
AYGO_OM_Europe_OM99R19E
Ignition system
Spark plug
MakeDENSO FC16HR-Q8
Gap0.8 mm (0.031 in.)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Open voltage* at
20 C (68 F):12.3 V or higher
If the specific voltage is lower than the stan-
dard value, charge the battery.
(
*: Voltage checked 20 minutes after the
engine and all the lights are turned off)
Charging rates5 A max.

488What to do if... (Troubleshooting)
AYGO_OM_Europe_OM99R19E
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 retailer or Toyota authorized
repairer, or any reliable repairer. ( P. 1 1 2 )
●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 retailer or Toyota authorized
repairer, or any reliable repairer immediately. ( P. 117)
●Is the key battery weak or depleted? (P. 383)
●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. 187)
●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. 122, 132)
●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. 121)
If you have a problem, check the following before contacting any
authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
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)

495Alphabetical index
AYGO_OM_Europe_OM99R19E
Emergency brake signal ......... 247
Emergency flashers................. 406
Emergency tire puncture
repair kit ................................. 427
Engine
“ACC” position....................... 182
Accessory mode ................... 187
Compartment ........................ 361
Engine switch ................ 182, 185
Hood ..................................... 358
How to start
the engine................... 182, 185
If the engine will not start ...... 455
Ignition switch
(engine switch) ........... 182, 185
Overheating .......................... 465
Engine coolant ......................... 365
Capacity ................................ 477
Checking ............................... 365
Preparing and checking
before winter....................... 253
Engine coolant
temperature
warning light .......................... 417
Engine immobilizer system ...... 76
Engine oil.................................. 362
Capacity ................................ 474
Checking ............................... 362
Preparing and checking
before winter....................... 253
Engine switch
(ignition switch) ............. 182, 185
EPS (Electronic Power
Steering) ................................. 247
Function ................................ 247
Warning light ......................... 419
Flat tire
Vehicles with a spare tire ...... 442
Vehicles without
a spare tire ......................... 427
Floor mats .................................. 26
Fluid
Brake .................................... 480
Washer ................................. 370
Fog lights ................................. 203
Replacing light bulbs..... 397, 400
Switch ................................... 203
Wattage ................................ 482
Follow me home system ......... 201
Front position lights ................ 199
Light switch ........................... 199
Replacing light bulbs............. 403
Front seats ............................... 152
Adjustment ............................ 152
Cleaning................................ 350
Correct driving posture ........... 28
Seat heaters ......................... 332
Front turn signal lights ........... 197
Replacing light bulbs............. 397
Turn signal lever ................... 197
Wattage ................................ 482
Fuel ........................................... 474
Capacity ................................ 474
Fuel gauge ............................ 101
Fuel pump shut off system.... 416
Information ............................ 483
Refueling............................... 209
Type .............................. 209, 474
Warning light ......................... 422
Fuel filler door.......................... 211
Refueling............................... 209
Fuel pump shut off system ..... 416
Fuses ........................................ 386
F

501Alphabetical index
AYGO_OM_Europe_OM99R19E
LDA (Lane Departure Alert) switch.................................. 232
Light switches ....................... 199
Outside rear view mirror switches.............................. 161
Paddle shift switches ............ 191
PCS (Pre-Collision system) switch .................... 222
Power window switch ............ 163
Rear window and outside rear view mirror
defoggers switch......... 322, 328
Rear window wiper and washer switch ..................... 207
Seat heater switch ................ 332
Speed limiter ......................... 237
Stop & Start cancel switch .... 241
Telephone switches
*.... 291, 295
Tire pressure warning reset switch......................... 373
VSC off switch....................... 248
Windshield wipers and washer switch ..................... 205 Tachometer .............................. 102
Tail lights .................................. 199
Light switch ........................... 199
Replacing light bulbs............. 400
Wattage ................................ 482
Telephone switches
*...... 291, 295
Theft deterrent system Engine immobilizer system ..... 76
Tire inflation pressure ............. 378 Maintenance data ................. 480
Warning light ......................... 422
Tire pressure warning system .................................... 373Function ................................ 373
Initializing .............................. 373
Tire pressure warning reset switch ................................. 374
Warning light ......................... 422
Tires .......................................... 372 Chains................................... 253
Checking ............................... 372
If you have a flat tire ..... 427, 442
Inflation pressure .................. 480
Replacing ...................... 427, 442
Rotating tires......................... 372
Size ....................................... 480
Snow tires ............................. 255
Spare tire .............................. 442
Tire pressure warning system ................................ 373
Warning light ......................... 422
T
*: For vehicles with a multimedia system , refer to “Multimedia owner’s manual”.

503Alphabetical index
AYGO_OM_Europe_OM99R19E
Warning lights .......................... 417
ABS ....................................... 419
Brake system ........................ 417
Charging system ................... 417
Electric power steering.......... 419
High engine coolant
temperature ........................ 417
LDA
(Lane Departure Alert) ....... 421
Low engine oil pressure ........ 417
Low fuel level ........................ 422
Malfunction indicator lamp .... 419
Multi-mode manual
transmission warning
light ..................................... 418
Open door ............................. 421
PCS (Pre-Collision
system) .............................. 420
Seat belt reminder light ......... 421
Slip indicator light .................. 421
Smart entry & start
system ........................ 421, 425
Speed limiter ......................... 420
SRS....................................... 419
“STOP” warning light............. 418
Stop & Start cancel
indicator .............................. 420
Tire pressure ......................... 422
Washer.............................. 205, 207
Checking ............................... 370
Preparing and checking
before winter....................... 253
Switch ........................... 205, 207
Washing and waxing ............... 346
Weights..................................... 472
Wheels ...................................... 380
Replacing wheels.................. 380
Size ....................................... 480
Window glasses....................... 163
Windows ................................... 163
Power windows ..................... 163
Rear window
defogger ..................... 322, 328
Windshield wipers ................... 205
Winter driving tips ................... 253
Wireless remote control key... 110
Locking/Unlocking......... 119, 123
Replacing the battery ............ 383
*: For vehicles with a multimedia system , refer to “Multimedia owner’s manual”.