check engine light TOYOTA YARIS 2009 2.G User Guide

Maintenance and care4
227
4-1. Maintenance and careCleaning and protecting the vehicle exterior......... 228
Cleaning and protecting the vehicle interior.......... 230
4-2. Maintenance Maintenance requirements .................. 233
General maintenance....... 235
Emission inspection and maintenance (I/M)
programs........................ 238 4-3. Do-it-yourself maintenance
Do-it-yourself service precautions .................... 239
Hood ................................ 242
Positioning a floor jack ..... 243
Engine compartment ........ 245
Tires ................................. 258
Tire inflation pressure ...... 264
Wheels ............................. 268
Air conditioning filter......... 270
Key battery ....................... 273
Checking and replacing fuses .............................. 275
Light bulbs........................ 286

308 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. 337)
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
311
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

312 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
313
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. 249)

5
When trouble arises
335
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
337
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.

383
Alphabetical index
If the warning light turns
on ....................................... 307
If you have a flat tire ............ 317
If you lose your keys............. 332
If you think something is wrong ................................. 303
If the vehicle becomes stuck................................... 340
If your vehicle needs to be towed ................................. 297
If your vehicle overheats ...... 337
Engine Compartment........................ 245
Engine switch ....................... 125
Hood ..................................... 242
How to start the engine ........ 125
Identification number ............ 345
If the engine will not start...... 329
Ignition switch ....................... 125
Immobilizer system................. 74
Overheating .......................... 337
Specifications ....................... 346
Warning light ........................ 308
Engine coolant Capacity ............................... 348
Checking .............................. 250
Indicator................................ 141
Preparing and checking before winter ...................... 161
Type ..................................... 348
Warning light ........................ 308
Engine immobilizer system ...... 74
Engine oil
Capacity ............................... 347
Checking .............................. 246
Grade ................................... 347
Initializing the maintenance data .................................... 249
Preparing and checking before winter ...................... 161
Warning light ................ 308, 310
Engine switch .......................... 125 Engine oil maintenance
data .........................................249
EPS EPS .......................................155
Warning light .........................308
Event data recorder .................305
Floor mat...................................224
Fluid Automatic transmission .........349
Brake .....................................252
Clutch ....................................350
Warning light .................307, 310
Washer ..................................256
Fog lights Indicator ................................147
Replacing light bulbs .............286
Switch....................................147
Wattage .................................352
Front fog lights Indicator ................................147
Replacing light bulbs .............286
Switch....................................147
Wattage .................................352
Front passenger's seat belt
reminder light.........................310
Front seats Adjustment ..............................38
Front side marker lights Replacing light bulbs .............286
Switch....................................145
Wattage .................................352
Front turn signal lights Indicator ................................131
Lever .....................................131
Replacing light bulbs .............286
Switch....................................131
Wattage .................................352
Fuel Capacity ................................346
Fuel pump shut off system ....304
Gas station information .........392
Gauge ...................................135
F

387
Alphabetical index
Fog lights switch ................... 147
Hazard lights switch ............. 296
Ignition switch ....................... 125
Headlights switch ................. 145
Light switch........................... 145
Power door lock switch........... 32
Power window switch ............. 67
Turn signal lights .................. 131
Window lock switch ................ 68
Wiper and washer ........ 148, 151
Tachometer .............................. 135
Tail lights Indicator................................ 145
Replacing light bulbs ............ 286
Switch ................................... 145
Wattage ................................ 352
Theft deterrent system Alarm ...................................... 76
Engine immobilizer system..... 74
Theft prevention labels ........... 78
Theft prevention labels ............. 78
Tire inflation pressure ............ 264
Tire information Glossary ............................... 363
Size ...................................... 360
Tire identification number ..... 359
Uniform tire quality
grading ............................... 361
Tires Chains .................................. 161
Checking .............................. 258
If you have a flat tire ............. 317
Identification number ............ 356
Inflation pressure .......... 264, 351
Inflation pressure sensor ...... 259
Information ........................... 356
Replacing ..................... 258, 317
Rotating tires ........................ 258
Size ...................................... 351
Snow tires............................. 161
Spare tire .............................. 317 Tire pressure warning
system ........................258, 310
Warning light .........................310
Tools .........................................317
Total load capacity...................160
Towing Dinghy towing................173, 174
Emergency towing.................297
Trailer towing.................164, 165
Trip meter .................................138
Turn signal lights Indicator ................................131
Lever .....................................131
Replacing light bulbs .............286
Switch....................................131
Wattage .................................352
Vanity mirrors...........................220
Vehicle identification number ...................................345
Warning buzzers Brake system ........................307
Seat belt reminder .................310
Warning lights ABS .......................................308
Airbag system .......................308
Anti-lock brake system ..........308
Brake system ........................307
Charging system .... ...............308
Driver’s seat belt ...................310
Electric power steering system ................................308
Electronic engine control system ................................308
Engine oil replacement..........310
EPS system...........................308
Front passenger occupant classification system ........... 308
Front passenger’s seat belt ...310
High engine coolant temperature ........................308
T
V
W

388 Alphabetical index
Low brake fluid ...................... 307
Low engine oil pressure ........ 308
Low tire inflation pressure ..... 310
Low washer fluid ................... 310
Malfunction ............................ 308
Open door ............................. 310
Seat belt ................................ 310
Seat belt pretensionersystem ................................ 308
SRS ....................................... 308
SRS airbag system ............... 308
Tire pressure ......................... 310
Tire pressure warning system ................................ 310
Washer Checking ............................... 256
Preparing and checking before winter ....................... 161
Switch.................................... 148
Warning light ......................... 310
Washing and waxing ............... 228
Weight Cargo capacity ...................... 157
Load limits ............................. 160
Weight ................................... 344
Wheels ...................................... 268
Window
glasses ............67, 185, 228, 230
Window lock switch ...................68
Windows
Cleaning and protecting .................... 228, 230
Power windows .......................67
Rear window defogger .......... 185
Washer .................................. 148
Windshield wipers ................... 148
Wireless remote control key Replacing the key battery...... 273
Wireless remote control ..........28
WMA disc .................................. 200