check engine TOYOTA GR YARIS 2023 Service Manual

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Owner's Manual_Europe_M52P63_en
7-2. Steps to take in an emergency
When trouble arises
engine coolant is unavailable.
6Start 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 condition-
ing 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 temperatures.)
7 If the fan is not operating: Stop
the engine immediately and
contact any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer.
If the fan is operating: Have the
vehicle inspected at the nearest
any authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the hood, do not open the hood until the steam has subsided. The
engine compartment may be very hot.
●Keep hands and clothing (espe-cially a tie, a scarf or a muffler) away from the fan and belts. Failure
to do so may cause the hands or clothing to be caught, resulting in serious injury.
●Do not loosen the coolant reservoir caps while the engine and radiator
are hot. High temperature steam or coolant could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently. Adding
cool coolant to a hot engine too quickly can cause damage to the engine.
■To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant
with foreign matter (such as sand or dust etc.).
●Do not use any coolant additive.

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Owner's Manual_Europe_M52P63_en
8-1. Specifications
*: If unleaded gasoline with a Research Octane Number of 98 is not available,
unleaded gasoline with a Research Octane Number of 95 may be us ed with no
detriment to engine durability or driveability.
■Oil capacity (Drain and refill
[Reference*])
*: 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 8 minutes,
and check the oil level on the dip-
stick.
■Engine oil selection
Gasoline Engine 
“Toyota Genuine Motor Oil” is used
in your Toyota vehicle. Toyota rec-
ommends the use of approved
“Toyota Genuine Motor Oil”.
Another motor oil of matching qual-
ity can also be used.
Oil grade:
API grade SN PLUS “Resource-
Conserving” or SP “Resource-Con-
serving”; or ILSAC GF-6A multi-
grade engine oil
Recommended viscosity (SAE):
SAE 0W-20
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 Euro-
pean standard EN228 only
Except EU area:
Unleaded gasoline only
Research Octane Number98 or higher*
Fuel tank capacity
(Reference)50.0 L (13.2 gal., 11.0 Imp. gal.)
Lubrication system
With filter4.3 L (4.5 qt., 3.7 Imp. qt.)
Without fil-
ter4.0 L (4.2 qt., 3.5 Imp. qt.)

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8-1. Specifications
Ignition system (spark plug)
MakeDILKAR8U7G
Gap0.7 mm (0.027 in.)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.
Electrical system (battery)
Open voltage at 20°C (68°F):
12.3 V or higher
If the specific voltage is lower than the standard
value, charge the battery.
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A max.
Manual transmission
Gear oil capacity (Reference)
Vehicles with a LSD
2.0 L (2.1 qt., 1.7 Imp. qt.)
Vehicles without a LSD
2.1 L (2.2 qt., 1.8 Imp. qt.)
Gear oil type“TOYOTA Genuine Manual Transmission Gear
Oil LV GL-4 75W” or equivalent
NOTICE
■Manual transmission gear oil type
●Please be aware that depending on the particular characteristic s of the gear oil
used or the operating conditions, idle sound, shift feeling and /or fuel efficiency may be different or affected and, in the worst case, damage to the vehicle’s transmission.
Toyota recommends to use “TOYOTA Genuine Manual Transmission Ge ar Oil LV GL-4 75W” to achieve optimal performance.

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Owner's Manual_Europe_M52P63_en
What to do if... (Troubleshooting)
1-1.What to d o if... (Tro ublesho oting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys
can be made by any authorized
Toyota retailer or Toyota autho-
rized repairer, or any reliable
repairer. ( P.336)
 If you lose your electronic keys,
the risk of vehicle theft increases
significantly. Contact any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer immediately.
( P.336)
 Is the electronic key battery
weak or depleted? ( P.293)
 Is the engine switch in ON?
When locking the doors, turn the
engine switch off. ( P. 1 3 6)
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.108)
 Did you press the engine switch
while firmly depressing the clutch
pedal? ( P.134)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.107)
 Is the steering wheel unlocked?
( P.134)
 Is the electronic key battery
weak or depleted?
In this case, the engine can be started
in a temporary way. ( P.338)
Is the battery discharged?
( P.339)
 It is locked automatically to pre-
vent theft of the vehicle.
( P.134)
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
If you think something is
wrong
The engine does not start
The steering wheel cannot
be turned after the engine is
stopped

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Owner's Manual_Europe_M52P63_en
What to do if... (Troubleshooting)
Is the window lock switch
pressed?
The power window except for the one
at the driver’s seat cannot be operated
if the window lock switch is pressed.
( P. 1 2 4)
The auto power off function will
be operated if the vehicle is left
in ACC or ON (the engine is not
running) for a period of time.
( P.136)
 The seat belt reminder light is
flashing
Are the driver and the passenger wear-
ing the seat belts? ( P.316)
The parking brake indicator is on
Is the parking brake released?
( P. 1 4 1)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.313, 321)
 Did anyone inside the vehicle
open a door or anything move
inside the vehicle during setting
the alarm?
The sensor detects it and the alarm
sounds. ( P. 7 2)
Do one of the following to deacti-
vate or stop the alarms:
 Unlock the doors using the entry
function or wireless remote con-
trol.
 Starting the engine. (The alarm
will be deactivated or stopped
after a few seconds.)
 Is the electronic key left inside
the vehicle?
Check the message on the multi-infor-
mation display. ( P.321)
When a warning light turns on or
a warning message is displayed,
refer to P.313, 321.
 Stop the vehicle in a safe place
and repair the flat tire temporarily
with the emergency tire puncture
The windows do not open or
close by operating the
power window switches
The engine switch is turned
off automatically
A warning buzzer sounds
during driving
An alarm is activated and the
horn sounds (vehicles with
an alarm)
A warning buzzer sounds
when leaving the vehicle
A warning light turns on or a
warning message is dis-
played
When a problem has
occurred
If you have a flat tire

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Owner's Manual_Europe_M52P63_en
Alphabetical Index
Doors
Back door ................................... 104
Door glasses .............................. 122
Door lock ............................ 101, 104
Open door warning buzzer. 102, 103
Outside rear view mirrors ........... 120
Side doors .................................. 101
Double locking system .................. 71
Drive distance ................................. 87
Drive information ............................ 87
Driving ........................................... 126
AWD mode select switch ........... 215
Break-in tips ............................... 127
Correct driving posture................. 29
Procedures................................. 126
Winter drive tips ......................... 224
Driving information display ........... 86
Driving range .................................. 86
Driving support system information
display ........................................... 87
Dynamic radar cruise control ...... 179
Road Sign Assist (RSA) ............. 186
Warning message ...................... 188
E
eCall ................................................. 60
“SOS” button ................................ 60
Elapsed time ................................... 87
Electric Power Steering (EPS) ..... 218
Warning light .............................. 315
Electronic key ................................. 98
Battery-saving function .............. 108
If the electronic key does not operate
properly.................................... 337
Replacing the battery ................. 293
Emergency brake signal .............. 218
Emergency flashers ..................... 304
Emergency tire puncture ............. 323
Emergency, in case of
If a warning buzzer sounds ........ 313
If a warning light turns on ........... 313
If a warning message is displayed
................................................. 321
If the battery is discharged ......... 339
If the electronic key does not operate
properly .................................... 337
If the engine will not start ........... 335
If the vehicle is trapped in rising
water ........................................305
If you have a flat tire ................... 323
If you lose your keys ..................336
If you think something is wrong .. 311
If your vehicle becomes stuck .... 346
If your vehicle has to be stopped in
an emergency .......................... 304
If your vehicle needs to be towed
................................................. 307
If your vehicle overheats ............344
Engine ............................................ 349
ACC............................................ 136
Compartment .............................269
Engine switch .............................134
Fuel pump shut off system ......... 312
Hood........................................... 266
How to start the engine .............. 134
Identification number ..................349
If the engine will not start ........... 335
If your vehicle has to be stopped in
an emergency .......................... 304
Ignition switch (engine switch) ... 134
Overheating................................ 344
Tachometer ............................ 81, 93
Engine coolant .............................. 271
Capacity ..................................... 351
Checking .................................... 271
Preparing and checking before win-
ter ............................................. 224

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Owner's Manual_Europe_M52P63_en
Alphabetical Index
Engine coolant temperature gauge
....................................................... 81
Engine immobilizer system ........... 70
Engine oil ...................................... 269
Capacity ..................................... 350
Checking .................................... 269
Preparing and checking before win-
ter ............................................ 224
Warning light .............................. 314
Engine switch ............................... 134
Auto power off function .............. 136
Changing the engine switch modes
................................................. 136
If your vehicle has to be stopped in
an emergency .......................... 304
EPS (Electric Power Steering) ..... 218
Warning light .............................. 315
Expert mode .................................. 219
Extended Headlight Lighting ....... 143
F
Flat tire .......................................... 323
Tire pressure warning system .... 277
Floor mats ....................................... 28
Fluid
Brake.......................................... 354
Clutch ......................................... 353
Washer ....................................... 272
Fog lights
Replacing light bulbs .................. 299
Switch ........................................ 148
Front fog lights
Replacing light bulbs .................. 299
Switch ........................................ 148
Front position lights
Replacing light bulbs .................. 299
Front seats .................................... 112
Adjustment ................................. 112
Cleaning ..................................... 249
Correct driving posture ................. 29
Head restraints ........................... 115
Seat heaters ............................... 233
Front turn signal lights................. 140
Replacing light bulbs ..................299
Turn signal lever ......................... 140
Fuel ................................................ 151
Capacity ..................................... 350
Fuel gauge ................................... 81
Fuel pump shut off system ......... 312
Information ................................. 357
Refueling .................................... 151
Type ........................................... 350
Warning light .............................. 315
Fuel consumption
Average fuel economy ................. 86
Current fuel consumption ............. 86
Fuel economy.................................. 86
Fuel filler door ............................... 151
Refueling .................................... 151
Fuel gauge ....................................... 81
Fuel pump shut off system .......... 312
Fuses ............................................. 295
G
Gauges............................................. 81
Gear Shift Indicator ...................... 139
Glove box ...................................... 238
GPF (Gasoline Particulate Filter)
system ......................................... 216

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Owner's Manual_Europe_M52P63_en
Alphabetical Index
Stuck
If the vehicle becomes stuck ...... 346
Sun visors ..................................... 242
Switches
Airbag manual on-off switch......... 43
Audio remote control switches ... 243
Automatic High Beam system .... 145
AWD mode select switch ........... 215
Display change button ................. 82
Door lock switches ..................... 103
Dynamic radar cruise control switch
................................................. 180
Emergency flashers switch ........ 304
Engine switch ............................. 134
Heated steering wheel switch .... 233
Ignition switch ............................ 134
Intrusion sensor cancel switch ..... 73
Light switches ............................ 142
LTA (Lane-Tracing Assist) switch175
Meter control switches ................. 85
Outside rear view mirror switches
................................................. 120
Power door lock switch .............. 103
Power window switches ............. 122
Rear window and outside rear view
mirror defoggers switch ........... 228
Seat heater switches.................. 233
“SOS” button ................................ 60
Stop & Start cancel switch ......... 194
Vehicle-to-vehicle distance switch
................................................. 180
VSC OFF switch ........................ 218
Window lock switch .................... 124
Windshield wiper and washer switch
................................................. 148
T
Tachometer...................................... 81
Tail lights
Light switch ................................ 142
Replacing light bulbs ..................299
Theft deterrent system
Alarm ............................................ 72
Double locking system ................. 71
Engine immobilizer system .......... 70
Intrusion sensor............................ 73
Tire inflation pressure ..................288
Maintenance data.......................355
Warning buzzers ........................ 317
Warning light .............................. 317
Tire pressure warning system ..... 277
Function ..................................... 277
Initializing ...................................280
Installing tire pressure warning
valves and transmitters ............279
Registering ID codes ..................281
Selecting wheel set .................... 283
Warning buzzers ........................ 317
Warning light .............................. 317
Tires ............................................... 275
Chains ........................................225
Checking .................................... 275
Emergency tire puncture repair kit
................................................. 323
If you have a flat tire ................... 323
Inflation pressure........................ 288
Replacing ...................................285
Rotating tires .............................. 277
Size ............................................ 355
Snow tires .................................. 224
Tire pressure warning system .... 277
Warning buzzers ........................ 317
Warning light .............................. 317

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Owner's Manual_Europe_M52P63_en
Alphabetical Index
Warning lights............................... 313
ABS ............................................ 314
Brake Override System .............. 315
Brake system ............................. 313
Charging system ........................ 313
Electric power steering............... 315
High coolant temperature........... 313
Low engine oil pressure ............. 314
Low fuel level ............................. 315
LTA indicator .............................. 317
Malfunction indicator lamp ......... 314
Pre-collision system ................... 319
RCTA OFF indicator ................... 318
Seat belt reminder light .............. 316
Slip indicator .............................. 319
SRS airbag................................. 314
Stop & Start cancel indicator...... 317
Tire pressure .............................. 317
Toyota parking assist-sensor OFF
indicator ................................... 318
Warning messages ....................... 321
Washer........................................... 148
Checking .................................... 272
Preparing and checking before win-
ter ............................................ 224
Switch ........................................ 148
Washing and waxing ............ 246, 256
Weight ............................................ 348
Wheels ........................................... 290
Replacing ...................................290
Size ............................................ 355
Window lock switch...................... 124
Windows
Power windows .......................... 122
Rear window defogger ............... 230
Washer ....................................... 148
Windshield wipers ........................ 148
Winter driving tips ........................ 224
Wireless remote control ................. 99
Battery-Saving Function ............. 108
Locking/Unlocking ........................ 99
Replacing the battery ................. 293