2012 TOYOTA AYGO check engine

266 4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
Radiator and condenser
Check the radiator and condenser and clear away any foreign
objects.
If either of the above parts are extremely dirty or you are not sure of
their condition, have your vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
Battery
Check the battery as follows.
Caution symbols
The meanings of each caution symbol on the top of the battery are as
follows:
CAUTION
When the engine is hot
Do not touch the radiator or condenser as they may be hot and cause seri-
ous injuries, such as burns.
No smoking, no naked
flames, no sparksBattery acid
Shield eyesNote operating
instructions
Keep away from chil-
drenExplosive gas

279
4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96E
Air conditioning filter
Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to
the “Toyota Service Booklet” or “Toyota Warranty Booklet”.)
If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.
The air conditioning filter must be changed regularly to maintain air
conditioning efficiency.
Replacement method
Turn the engine switch to the “LOCK” position.
Pull out the air conditioning fil-
ter as shown in the illustration.
Replace it with a new one.

282
4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Instrument panel
If the following procedures seems difficult to perform, consult any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
Remove the meter cover
screws, by using a Phillips-
head screwdriver.
If the steering lock is engaged,
please disengage it. (P. 131)

326 5-2. Steps to take in an emergency
AYGO_WE_99E96E
CAUTION
Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off the
jack, leading to death or serious injury.
Do not use the tire jack for any purpose other than replacing tires or install-
ing and removing tire chains.
Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do not use other tire jacks for replac-
ing tires on this vehicle.
Always check that the tire jack is securely set to the jack point.
Do not put any part of your body under the vehicle while it is supported by
the jack.
Do not start or run the engine while your vehicle is supported by the jack.
Do not raise the vehicle while someone is inside.
When raising the vehicle, do not put an object on or under the jack.
Do not raise the vehicle to a height greater than that required to replace
the tire.
Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one working
on or near the vehicle may be injured.

336
5-2. Steps to take in an emergency
AYGO_WE_99E96E
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 sub-
sides 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 any authorized Toyota
dealer or repairer, or another duly qualified and equipped
professional.
After the engine has cooled
down sufficiently, check the
engine coolant level and
inspect the radiator core (radi-
ator) for any leaks.

347 6-1. Specifications
6
Vehicle specifications
AYGO_WE_99E96E
Fuel
Lubrication system
*: 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.
Fuel typeEU area:
Unleaded gasoline conforming to European stan-
dard EN228 only
Except EU area:
Unleaded gasoline only
Research octane num-
ber95 or higher
Fuel tank capacity
(Reference)35 L (9.2 gal., 7.7 Imp.gal.)
Oil capacity
(Drain and refill
 reference
*)
With filter
Without filter3.3 L (3.5 qt., 2.9 Imp.qt.)
3.1 L (3.3 qt., 2.7 Imp.qt.)

351 6-1. Specifications
6
Vehicle specifications
AYGO_WE_99E96E
Ignition system
Electrical system
Manual transmission
Spark plug
Make
GapDENSO SK16HR11
1.1 mm (0.043 in.)
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Battery
Open voltage* at
20C (68F):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 engine and all the lights are
turned off)
Charging rates 5 A max.
Gear oil capacity (Reference) 1.7 L (1.8 qt., 1.5 Imp.qt.)
Gear oil typeUse either of the following:
• “TOYOTA Genuine Manual Transmission
Gear Oil LV”
• Other gear oil that meets API GL-4 and
SAE 75W specifications

361 Alphabetical index
AYGO_WE_99E96E
If your vehicle becomes
stuck ................................... 339
If your vehicle has to be
stopped in an emergency ... 341
If your vehicle needs to be
towed .................................. 305
If your vehicle overheats ....... 336
Engine
Compartment ........................ 260
Engine switch ........................ 130
Hood ..................................... 254
How to start the
engine ................................. 130
Identification number............. 344
If the engine will not start ...... 329
Ignition switch ....................... 130
Overheating .......................... 336
Engine coolant
Capacity ................................ 350
Checking ............................... 264
Preparing and checking
before winter ....................... 163
Engine immobilizer system ...... 73
Engine oil
Capacity ................................ 347
Checking ............................... 261
Preparing and checking
before winter ....................... 163
Engine switch........................... 130
EPS............................................ 158
Floor mat .................................. 238
Fluid
Washer.................................. 269
Fog lights
Replacing light bulbs ............. 292
Switch ................................... 152
Wattage................................. 354
Front fog lights
Replacing light bulbs ............. 292
Switch ................................... 153Wattage ................................ 354
Front passenger’s seat belt
reminder light ........................ 316
Front position lights
Replacing light bulbs............. 292
Switch ................................... 148
Wattage ................................ 354
Front seats
Adjustment .............................. 52
Front turn signal lights
Replacing light bulbs............. 292
Switch ................................... 140
Wattage ................................ 354
Fuel
Capacity ................................ 347
Fuel gauge ............................ 143
Fuel pump shut off system.... 311
Gas station information ......... 368
Information ............................ 355
Refueling................................. 69
Type ...................................... 347
Fuel door .................................... 69
Fuel filler door............................ 69
Fuel pump shut off system ..... 311
Fuses ........................................ 282
Gas station information .......... 368
Gauges ..................................... 143
Hands-free phone system....... 214
Hazard lights
Switch ................................... 304
Head restraints
Adjusting ................................ 57
Headlights
Replacing light bulbs............. 292
Switch ................................... 148
Wattage ................................ 354
Hood ......................................... 254
Horn .......................................... 142
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