check engine light TOYOTA YARIS HATCHBACK 2011 User Guide

320 5-2. Steps to take in an emergency
Stop the vehicle immediately.The following warnings indicate the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Toyota dealer.
*: The light may come on when the oil level is extremely low. It is not designed to indicate low oil level, and the oil level must be checked using the engine
oil level dipstick.
Have the vehicle inspected immediately.
Failing to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging sys-
tem.
Low engine oil pressure warning light Indicates that the engine oil pressure is too low*.
High engine coolant temperature warning light Indicate a engine is almost overheating.( →P. 349)
Warning lightWarning light/Details
(except Canada)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control sys-tem; or
• Emission control system.

5
When trouble arises
323
5-2. Steps to take in an emergency
*1: Driver's seat belt reminder:
The driver’s seat belt reminder sounds to alert the driver that his or her seat
belt is not fastened. Once the engine switch is turned to the ON or START
position, the buzzer sounds for 6 seconds. If the vehicle has reached a
speed of at least 12 mph (20 km/h), the buzzer sounds intermittently for
approximately 10 seconds. Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for approximately 20 more seconds.
*2:Front passenger’s seat belt reminder:
The front passenger’s seat belt reminder sounds to alert the front passenger
that his or her seat belt is not fastened. The buzzer sounds intermittently for
approximately 10 seconds after the vehicle has reached a speed of at least
12 mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for approximately 20 more seconds.(except Canada)
Engine oil replacement
reminder light
• Illuminates for about 3
seconds and then flashes
for about 12 seconds: Indi-
cates that the engine oil is
scheduled to be changed. Check the engine oil,
and change if neces-
sary.
• Comes on and remains: Indicates that the engine
oil should be changed. Check and change the
engine oil.
Warning lightWarning light/DetailsCorrection procedure

324 5-2. Steps to take in an emergency
nKey reminder buzzer
The buzzer indicates that the key has not been removed (with the engine
switch in the ACC or LOCK position and the driver’s door opened).
n Light reminder buzzer
The buzzer indicates that the headlight switch is left on (with the key
removed and the driver’s door opened).
n If the malfunction indicator lamp comes on while driving
First check the following:
l Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
l Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
n Front passenger detect ion sensor and passenger seat belt reminder
If luggage or other load is placed on the front passenger seat, depending on
its weight, the reminder light to flash and buzzer to sound.
n
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level.
nThe tire pressure warning light ma y turn on due to natural causes
The tire pressure warning light may turn on due to natural causes such
as natural air leaks or tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after a few minutes).
nWhen a tire is replaced with a spare tire
The compact spare tire is not equipped with the tire pressure warning
valve and transmitter. If a tire goes flat, the tire pressure warning light will
not turn off even though the flat tire is replaced with the spare tire.
Replace the spare tire with the repair ed tire and adjust the proper tire
inflation pressure. The ti re pressure warning light will turn off after a few
minutes.

5
When trouble arises
325
5-2. Steps to take in an emergency
nIf the tire pressure warning system is inoperative
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition be
comes normal, the system will work properly.)
lIf tires not equipped with tire pressure warning valves and transmit-
ters are used.
lIf the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
lIf the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or
higher.
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
lIf electronic devices or facilities using similar radio wave frequencies
are nearby.
lIf a radio set at similar frequencies is in use in the vehicle.
lIf a window tint that affects the radio wave signals is installed.
lIf there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
lIf non-genuine Toyota wheels are used. (Even if you use Toyota
wheels, the tire pressu re warning system may not work properly with
some types of tires.)
lIf tire chains are used.
nIf the tire pressure warning light comes on after blinking for 1
minute frequently
If the tire pressure warning light comes on after blinking for 1 minute fre-
quently when the engine switch is turned to the ON position, have it
checked by your Toyota dealer.
n After changing the engine oil (except Canada)
Make sure to reset the oil maintenance data. ( →P. 259)

5
When trouble arises
347
5-2. Steps to take in an emergency
n
Starting the engine when the battery is discharged (vehicles with an
automatic transmission)
The engine cannot be started by push-starting.
n Avoiding a discharged battery
lTurn off the headlights and the audio system while the engine is turned
off.
l Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic, etc.
CAUTION
nAvoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery.
lMake sure the jumper cable is connected to the correct terminal and that it
is not unintentionally in contact with any part other than the intended termi-
nal.
l Do not allow the jumper cables to come into contact with the “+” and “-” ter-
minals.
l Do not smoke, use matches, cigarette lighters or allow open flame near
the battery.
Reinstall the cover.
Once the engine starts, have the vehicle checked at your Toyota
dealer as soon as possible.

5
When trouble arises
349
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air condi-
tioning system.
Check to see if steam is coming out from under the hood.
If you see steam: Stop the engine. Carefully lift the hood after the steam
subsides and then restart the engine.
If you do not see steam: Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is operating.
If the fan is operating: Wait until the high engine coolant temperature warning
light goes off and then stop the engine.
If the fan is not operating: Stop the engine immediately and call your local Toyota
dealer.

363
6-1. Specifications
6
Vehicle specifications
Electrical system
Automatic transaxle
*: The fluid capacity is the quantity of reference. If replacement is necessary,
contact your Toyota dealer.
NOTICE
n Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.
Battery
Open voltage at
68° F (20 °C): 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 key is removed with all the lights
turned off)
Charging rates 5 A max.
Fluid capacity*6.8 qt. (6.4 L, 5.6 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
nAutomatic transmission fluid type
Using automatic transmission fluid other than “Toyota Genuine ATF WS”
may cause deterioration in shift quality, locking up of your transmission
accompanied by vibration, and ultimately damage the automatic transmis-
sion of your vehicle.

405
Alphabetical index
Electric power steering
Electric power steering ......... 160
Warning light ........................ 320
Emergency flashers Switch ................................... 308
Emergency, in case of If the engine will not start...... 341
If the shift lever cannot be shifted from P ..................... 343
If the vehicle battery is discharged ......................... 345
If the warning buzzer sounds ............................... 319
If the warning light turns
on ....................................... 319
If you have a flat tire ............ 329
If you lose your keys............. 344
If you think something is wrong ................................. 315
If the vehicle becomes
stuck................................... 352
If your vehicle has to be stopped in an emergency... 354
If your vehicle needs to be towed ................................. 309
If your vehicle overheats ...... 349
Engine Compartment........................ 256
Engine switch ....................... 130
Hood ..................................... 253
How to start the engine ........ 130
Identification number ............ 359
If the engine will not start...... 341
Ignition switch ....................... 130
Immobilizer system................. 78
Overheating .......................... 349
Specifications ....................... 360
Warning light ........................ 320 Engine coolant
Capacity ................................362
Checking ...............................261
Indicator ................................146
Preparing and checking
before winter .......................169
Type ......................................362
Warning light .........................320
Engine immobilizer system.......78
Engine oil Capacity ................................361
Checking ...............................257
Grade ....................................361
Initializing the maintenance
data .....................................259
Preparing and checking before winter .......................169
Warning light .................320, 322
Engine switch ...........................130
Engine oil maintenance data .........................................259
EPS EPS .......................................160
Warning light .........................320
Event data recorder .................317E

410 Alphabetical index
Tachometer............................... 140
Tail lightsIndicator ................................ 150
Replacing light bulbs ............. 297
Switch.................................... 150
Wattage ................................. 366
Theft deterrent system Alarm .......................................80
Engine immobilizer system .....78
Theft prevention labels ............83
Theft prevention labels..............83
Tire inflation pressure ............. 275
Tire information Glossary ................................ 377
Size ....................................... 374
Tire identification number ...... 373
Uniform tire quality
grading ................................ 375
Tires Chains ................................... 169
Checking ............................... 269
If you have a flat tire .............. 329
Identification number ............. 370
Inflation pressure........... 275, 365
Inflation pressure sensor ....... 270
Information ............................ 370
Replacing ...................... 269, 329
Rotating tires ......................... 269
Size ....................................... 365
Snow tires ............................. 169
Spare tire............................... 329
Tire pressure warning
system ........................ 269, 322
Warning light ......................... 322
Tools ......................................... 329
Total load capacity................... 168
Towing Dinghy towing................ 181, 182
Emergency towing................. 309
Trailer towing................. 172, 173 Trip meter ................................. 143
Turn signal lights
Indicator ................................ 136
Lever ..................................... 136
Replacing light bulbs ............. 297
Switch ................................... 136
Wattage................................. 366
Vanity mirrors .......................... 228
Vehicle identification number ................................... 359
Vehicle stability control .......... 160
VSC ........................................... 160
Warning buzzers Brake system ........................ 319
Seat belt reminder................. 322
Warning lights
ABS ....................................... 320
Airbag system ....................... 320
Anti-lock brake system .......... 320
Brake system ........................ 320
Charging system .... ............... 320
Driver’s seat belt ................... 322
Electric power steering
system ................................ 320
Electronic engine control
system ................................ 320
Engine oil replacement ......... 322
EPS system .......................... 320
Front passenger occupant classification system ........... 320
Front passenger’s seat belt... 322
High engine coolant
temperature ........................ 320
Low brake fluid ...................... 319
Low engine oil pressure ........ 320
Low tire inflation pressure ..... 322
Low washer fluid ................... 322
Malfunction............................ 320
Open door ............................. 322
Seat belt ................................ 322T
V
W

TABLE OF CONTENTSIndex
4
4-3. Do-it-yourself maintenanceDo-it-yourself service precautions ...................... 250
Hood................................... 253
Positioning a floor jack ....... 254
Engine compartment .......... 256
Tires ................................... 269
Tire inflation pressure......... 275
Wheels ............................... 279
Air conditioning filter ........... 281
Key battery ......................... 284
Checking and replacing fuses ................................ 286
Light bulbs .......................... 297
5-1. Essential information Emergency flashers ........... 308
If your vehicle needs to be towed ............................... 309
If you think something is wrong ............................... 315
Fuel pump shut off system .............................. 316
Event data recorder............ 317 5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ........................... 319
If you have a flat tire ........... 329
If the engine will not start .... 341
If the shift lever cannot be shifted from P (vehicles
with an automatic
transmission) .................... 343
If you lose your keys ........... 344
If the vehicle battery is discharged ........................ 345
If your vehicle overheats..... 349
If the vehicle becomes stuck ................................. 352
If your vehicle has to be stopped in an
emergency........................ 354
6-1. Specifications Maintenance data (fuel, oil level, etc.) ........... 358
Fuel information .................. 367
Tire information................... 370
6-2. Customization Customizable features ........ 383
Items to initialize ................. 385
5When trouble arises
6Vehicle specifications