2011 TOYOTA AURIS engine coolant

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429
5-1. Essential information
When trouble arises
UK_AURIS_HV_EE
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional, as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
Flat-looking tires or uneven tire wear
Engine coolant temperature gauge continually indicates that
the temperature is higher than normal
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the hybrid system
Operational symptoms
Engine missing, stumbling or running rough
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle pulls heavily to one side when driving on a level road
Loss of brake effectiveness, spongy feeling, pedal almost
touches the floor

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431 5-2. Steps to take in an emergency
When trouble arises
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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 any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system.
High engine coolant temperature warning light
Indicates that the engine is almost overheating. (P. 479)

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479
5-2. Steps to take in an emergency
When trouble arises
UK_AURIS_HV_EE
If your vehicle overheats
Correction procedures
If the top segments of the engine coolant temperature gauge
are flashing
Stop the vehicle in a safe place and turn off the air condition-
ing system.
Check to see if steam is coming out from under the hood.
If you see steam:
Stop the hybrid system. Carefully lift the hood after the
steam subsides and then restart the hybrid system.
If you do not see steam:
Leave the hybrid system operating and carefully lift the
hood.
The following may indicate that your vehicle is overheating:
The top segments of the engine coolant temperature gauge are
flashing:
The engine may be overheating.
“HYBRID SYSTEM OVERHEAT” is shown on the multi-informa-
tion display:
The power control unit may be overheating.
Follow the correction procedure as described below.
STEP1
STEP2

480 5-2. Steps to take in an emergency
UK_AURIS_HV_EECheck to see if the cooling fans are operating.
If the fans are operating:
Wait until the high engine coolant temperature warning light
goes off and then stop the hybrid system.
If the fans are not operating:
Stop the hybrid system immediately and call any authorized
Toyota dealer or repairer, or another duly qualified and
equipped professional.
After the hybrid system has
cooled down sufficiently, check
the engine coolant level and
inspect the radiator core (radia-
tor) for any leaks.
If necessary, add engine coolant
up to the “FULL” line.
Water can be used in an emer-
gency measure if engine coolant
is unavailable. (P. 496)
STEP3
STEP4
STEP5

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483 5-2. Steps to take in an emergency
When trouble arises
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CAUTION
To prevent an accident or injury when inspecting under the hood of
your vehicle
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, caus-
ing serious injury such as burns.
With a hybrid vehicle, there are times when the gasoline engine automati-
cally starts to run or the cooling fans suddenly start to operate. Do not
touch or approach the rotating parts of the belt or fans. Doing so may lead
to fingers, clothes or tools getting caught, resulting in an accidental injury.
Do not loosen the coolant reservoir cap while the hybrid system and radia-
tor are hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
When adding engine/power control unit coolant
Wait until the hybrid system has cooled down before adding engine/power
control unit coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot hybrid sys-
tem too quickly can cause damage to the hybrid system.

496 6-1. Specifications
UK_AURIS_HV_EE
Cooling system
Ignition system
Capacity (reference)
Gasoline engine
With an exhaust heat
recovery system
Without an exhaust heat
recovery system
Power control unit7.2 L (7.6 qt., 6.3 Imp. qt.)
6.5 L (6.9 qt., 5.7 Imp. qt.)
2.1 L (2.2 qt., 1.8 Imp. qt.)
Coolant typeUse either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and
non-borate coolant with long-life hybrid
organic acid technology
Do not use plain water alone.
Spark plug
Make
GapDENSO SC20HR11
1.1 mm (0.043 in.)
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust spark plug gap.

513 Alphabetical index
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Emergency tire puncture
repair kit ................................. 457
Engine
Compartment ........................ 373
Hood ..................................... 369
How to start the
hybrid system ..................... 173
Identification number............. 491
If the hybrid system will
not start............................... 469
Ignition switch ....................... 173
Overheating .......................... 479
“POWER” switch ................... 173
Engine coolant temperature
gauge ...................................... 191
Engine oil
Capacity ................................ 493
Checking ............................... 374
Preparing and checking
before winter ....................... 241
Engine/power control unit
coolant
Capacity ................................ 496
Checking ............................... 377
Preparing and checking
before winter ....................... 241
EPS............................................ 233
EV-Drive Mode ......................... 178Floor mat .................................. 352
Fluid
Washer ................................. 379
Fog lights
Replacing light bulbs............. 411
Switch ................................... 209
Wattage ................................ 501
Front fog lights
Replacing light bulbs............. 411
Switch ................................... 209
Wattage ................................ 501
Front passenger's seat belt
reminder light ........................ 433
Front position lights
Replacing light bulbs............. 411
Switch ................................... 204
Wattage ................................ 501
Front seats
Adjustment .............................. 79
Front turn signal lights
Replacing light bulbs............. 411
Switch ................................... 188
Wattage ................................ 501
Fuel
Capacity ................................ 492
Fuel gauge ............................ 191
Gas station information ......... 524
Information ............................ 502
Refueling............................... 103
Type ...................................... 492
Fuel door .................................. 103
Fuel filler door.......................... 103
Fuses ........................................ 400F

521
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What to do if...
What to do if...
A tire puncturesP. 447
P. 457If you have a flat tire
The hybrid system does not
startP. 469If the hybrid system will not start
P. 106Immobilizer system
P. 474If the 12-volt battery is discharged
The top segments of the engine coolant
temperature gauge are flashing
Steam can be seen coming
from under the hood
P. 479If your vehicle overheats
The key is lostP. 471If you lose your keys
The 12-volt battery runs outP. 474If the 12-volt battery is discharged
The doors cannot be lockedP. 7 2Side doors
P. 7 4Back door
The horn begins to soundP. 1 1 4Alarm
The vehicle is stuck in
mud or sandP. 484If the vehicle becomes stuck
A warning light or indicator light
comes onP. 430If a warning light turns on or a
warning buzzer sounds...