check engine light TOYOTA YARIS HATCHBACK 2010 User Guide

316 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. 345)
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
319
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

320 5-2. Steps to take in an emergency
■Key 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).
■ Light reminder buzzer
The buzzer indicates that the headlight switch is left on (with the key
removed and the driver’s door opened).
■ If the malfunction indicator lamp comes on while driving
First check the following:
● Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
● 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.
■ 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.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level.
■The 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).
■When 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
321
5-2. Steps to take in an emergency
■If 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.)
●If tires not equipped with tire pressure warning valves and transmit-
ters are used.
●If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
●If 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.)
●If electronic devices or facilities using similar radio wave frequencies
are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
●If 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.)
●If tire chains are used.
■If 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.
■ After changing the engine oil (except Canada)
Make sure to reset the oil maintenance data. ( →P. 256)

5
When trouble arises
343
5-2. Steps to take in an emergency
■
Starting the engine when the battery is discharged (vehicles with an
automatic transmission)
The engine cannot be started by push-starting.
■ Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned
off.
● 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
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery.
●Make 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.
● Do not allow the jumper cables to come into contact with the “+” and “-” ter-
minals.
● 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
345
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.

357
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
■ 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
■Automatic 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.

391
Alphabetical index
If the warning light turns
on ....................................... 315
If you have a flat tire ............ 325
If you lose your keys............. 340
If you think something is wrong ................................. 311
If the vehicle becomes stuck................................... 348
If your vehicle has to be stopped in an emergency... 350
If your vehicle needs to be
towed ................................. 305
If your vehicle overheats ...... 345
Engine
Compartment........................ 253
Engine switch ....................... 129
Hood ..................................... 250
How to start the engine ........ 129
Identification number ............ 353
If the engine will not start...... 337
Ignition switch ....................... 129
Immobilizer system................. 78
Overheating .......................... 345
Specifications ....................... 354
Warning light ........................ 316
Engine coolant
Capacity ............................... 356
Checking .............................. 258
Indicator................................ 145
Preparing and checking before winter ...................... 169
Type ..................................... 356
Warning light ........................ 316
Engine immobilizer system ...... 78
Engine oil Capacity ............................... 355
Checking .............................. 254
Grade ................................... 355
Initializing the maintenance data .................................... 256
Preparing and checking
before winter ...................... 169
Warning light ................ 316, 318 Engine switch ...........................129
Engine oil maintenance
data .........................................256
EPS EPS .......................................160
Warning light .........................316
Event data recorder .................313
Floor mat...................................232
Fluid Automatic transmission .........357
Brake .....................................260
Clutch ....................................358
Warning light .................315, 318
Washer ..................................264
Fog lights
Indicator ................................151
Replacing light bulbs .............294
Switch....................................151
Wattage .................................360
Front fog lights Indicator ................................151
Replacing light bulbs .............294
Switch....................................151
Wattage .................................360
Front passenger's seat belt reminder light.........................318
Front seats
Adjustment ..............................40
Front side marker lights Replacing light bulbs .............294
Switch....................................149
Wattage .................................360
Front turn signal lights
Indicator ................................135
Lever .....................................135
Replacing light bulbs .............294
Switch....................................135
Wattage .................................360
Fuel
Capacity ................................354
Fuel pump shut off system ....312
Gas station information .........400
F

395
Alphabetical index
Fog lights switch ................... 151
Hazard lights switch ............. 304
Ignition switch ....................... 129
Headlights switch ................. 149
Light switch........................... 149
Power door lock switch........... 32
Power window switch ............. 71
Turn signal lights .................. 135
VSC OFF switch ................... 162
Window lock switch ................ 72
Wiper and washer ........ 152, 155
Tachometer .............................. 139
Tail lights Indicator................................ 149
Replacing light bulbs ............ 294
Switch ................................... 149
Wattage ................................ 360
Theft deterrent system
Alarm ...................................... 80
Engine immobilizer system..... 78
Theft prevention labels ........... 82
Theft prevention labels ............. 82
Tire inflation pressure ............ 272
Tire information Glossary ............................... 371
Size ...................................... 368
Tire identification number ..... 367
Uniform tire quality grading ............................... 369
Tires
Chains .................................. 169
Checking .............................. 266
If you have a flat tire ............. 325
Identification number ............ 364
Inflation pressure .......... 272, 359
Inflation pressure sensor ...... 267
Information ........................... 364
Replacing ..................... 266, 325
Rotating tires ........................ 266
Size ...................................... 359
Snow tires............................. 169
Spare tire .............................. 325 Tire pressure warning
system ........................266, 318
Warning light .........................318
Tools .........................................325
Total load capacity...................168
Towing Dinghy towing................181, 182
Emergency towing.................305
Trailer towing.................172, 173
Trip meter .................................142
Turn signal lights Indicator ................................135
Lever .....................................135
Replacing light bulbs .............294
Switch....................................135
Wattage .................................360
Vanity mirrors...........................228
Vehicle identification number ...................................353
Vehicle stability control...........160
VSC............................................160
Warning buzzers Brake system ........................315
Seat belt reminder .................318
Warning lights
ABS .......................................316
Airbag system .......................316
Anti-lock brake system ..........316
Brake system ........................316
Charging system .... ...............316
Driver’s seat belt ...................318
Electric power steering
system ................................316
Electronic engine control
system ................................316
Engine oil replacement..........318
EPS system...........................316
Front passenger occupant classification system ...........316
Front passenger’s seat belt ...318
T
V
W

396 Alphabetical index
High engine coolant temperature ........................ 316
Low brake fluid ...................... 315
Low engine oil pressure ........ 316
Low tire inflation pressure ..... 318
Low washer fluid ................... 318
Malfunction ............................ 316
Open door ............................. 318
Seat belt ................................ 318
Seat belt pretensioner system ................................ 316
SRS ....................................... 316
SRS airbag system ............... 316
Tire pressure ......................... 318
Tire pressure warning system ................................ 318
VSC OFF............................... 316
Washer Checking ............................... 264
Preparing and checking before winter ....................... 169
Switch.................................... 152
Warning light ......................... 318
Washing and waxing ............... 236
Weight Cargo capacity ...................... 165
Load limits ............................. 168
Weight ................................... 352
Wheels ...................................... 276
Window
glasses ............71, 193, 236, 238
Window lock switch ...................72
Windows
Cleaning and protecting .................... 236, 238
Power windows .......................71
Rear window defogger .......... 193
Washer .................................. 152
Windshield wipers ................... 152
Wireless remote control key Replacing the key battery...... 281
Wireless remote control ..........28
WMA disc .................................. 208