cooling TOYOTA VENZA 2015 Owners Manual (in English)

486 4-3. Do-it-yourself maintenance
VENZA_OM_OM73023U_(U)
CAUTION
■When working near the electric cooling fan or radiator grille
Vehicles with smart key system
Be sure the “ENGINE START STOP” switch is off. With the “ENGINE
START STOP” switch in IGNITION ON mode, the electric cooling fan may
automatically start to run if the air conditioning is on and/or if the coolant
temperature is high. ( P. 499)
Vehicles without smart key system
Be sure the engine switch is in the “LOCK” position. With the engine
switch in the “ON” position, the electric cooling fan may automati\
cally
start to run if the air conditioning is on and/or if the coolant temperature is
high. ( P. 499)
■ When working on or under the vehicle
Do not get under the vehicle with just the jack supporting it.
Always use automotive jack stands or other solid supports.
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air. Also a backfire could cause a fire in the engine compart-
ment.

491
4-3. Do-it-yourself maintenance
4
Maintenance and care
VENZA_OM_OM73023U_(U)
Engine compar tment
2GR-FE engine
Engine coolant reservoir( P. 497)
Engine oil filler cap ( P. 495)
Engine oil level dipstick ( P. 493)
Brake fluid reservoir ( P. 500)Battery ( P. 502)
Fuse box ( P. 527)
Electric cooling fans
Condenser ( P. 499)
Radiator ( P. 499)
Washer fluid tank ( P. 505)

492 4-3. Do-it-yourself maintenance
VENZA_OM_OM73023U_(U)
1AR-FE engine
Engine coolant reservoir( P. 497)
Engine oil filler cap ( P. 495)
Engine oil level dipstick ( P. 493)
Brake fluid reservoir ( P. 500)Battery ( P. 502)
Fuse box ( P. 527)
Electric cooling fans
Condenser ( P. 499)
Radiator ( P. 499)
Washer fluid tank ( P. 505)

498 4-3. Do-it-yourself maintenance
VENZA_OM_OM73023U_(U)
■If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock
and water pump.
If you cannot find a leak, have your Toyota dealer pressure test the cap and
check for leaks in the cooling system.
■ Coolant selection
Only use “Toyota Super Long Life Coolant” or similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology.
U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deionized water. (Enabled: -31 F [-35 C])
Canada: “Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45% deionized water. (Enabled: -44 F [-42 C])
For more details about engine coolant, contact your Toyota dealer.
CAUTION
■ When the engine is hot
Do not remove the radiator cap.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.

499
4-3. Do-it-yourself maintenance
4
Maintenance and care
VENZA_OM_OM73023U_(U)
Radiator and condenser
Check the radiator and condenser and clear any foreign objects.
If either of the above parts are extremely dirty or you are not sure of
their condition, have your vehicl e checked by your Toyota dealer.
NOTICE
■When adding the engine coolant
Coolant is neither plain water nor stra ight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent damage to parts or paint.
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.

530 4-3. Do-it-yourself maintenance
VENZA_OM_OM73023U_(U)
FuseAmpereCircuit
1MIRROR10 AOutside rear view mirrors
(driving position memory)
2DEICER20 AWindshield wiper de-icer
3INJ NO.115 A
Multiport fuel injection system/
sequential multiport fuel injection
system
4INJ NO.215 AIgniter system
5EFI NO.215 A
Multiport fuel injection system/
sequential multiport fuel injection
system
6EFI NO.310 A
Multiport fuel injection system/
sequential multiport fuel injection
system
7HEATER50 AAir conditioning system
8VSC NO.150 AAnti-lock brake system, vehicle
stability control system
9FA N M A I N*150 AElectric cooling fan
10VSC NO.230 AAnti-lock brake system, vehicle
stability control system
11CDS FAN*230 AElectric cooling fan
12RDI FAN*230 AElectric cooling fan
13LG/CLOSER30 APower back door
14RR DEF30 ARear window defogger
15ALT
140 A*3
or
120 A
*3
Charging system, HEATER,
ABS NO.1, FAN MAIN, ABS
NO.2, PBD, RR DEF, MIR HTR,
DEICER
16EPS80 AElectric power steering
17ST30 AStarting system
18BI-XENON10 ADischarge headlights
(high beam control)
19DOOR NO.120 APower door lock system
20STRG LOCK20 ASteering lock system
21SEC HORN7.5 ASEC HORN
22AM27.5 AMultiplex communication sys-
tem, starting system
23ALT-S7.5 ACharging system

602 5-2. Steps to take in an emergency
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CAUTION
■Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
●When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, clothing
or the vehicle body.
● Do not lean over the battery.
● If the battery fluid comes into contact with the skin or eyes, immediately
wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
● Do not allow children near the battery.
NOTICE
■When handling jumper cables
Be careful that the jumper cables do not become tangled in the cooling fan
or any of the belts when connecting or disconnecting them.

5
When trouble arises
603
5-2. Steps to take in an emergency
VENZA_OM_OM73023U_(U)
If your vehicle overheats
Correction proceduresStop the vehicle in a safe place and turn off the air condition-
ing system, and then stop the engine.
If you see steam: Carefully lift the hood after the steam subsides.
If you do not see steam: Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The coolant level is satisfactory if
it is between the “F” and “L ” lines
on the reservoir.Reservoir
“F” line
“L” line
Radiator cap
The following may indicate that your vehicle is overheating.
● The engine coolant temperature gauge ( P. 188) reaches the
maximum, or a loss of engine po wer is experienced. (For exam-
ple, the vehicle speed does not increase.)
● Steam comes out from under the hood.
STEP1
STEP2
STEP3
STEP4

604 5-2. Steps to take in an emergency
VENZA_OM_OM73023U_(U)Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the
air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from t he radiator or hoses.
The fans operate when the air conditioning system is turned
on immediately after a cold star t. Confirm that the fans are
operating by checking the fan sound and air flow. If it is diffi-
cult to check these, turn the air conditioning system on and off
repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating: Stop the engine immediately and contact your Toyota
dealer.
If the fans are operating: Have the vehicle inspected at the nearest Toyota dealer.
STEP5
STEP6
STEP7

5
When trouble arises
605
5-2. Steps to take in an emergency
VENZA_OM_OM73023U_(U)
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.
● Keep hands and clothing (especially a tie, a scarf or a muffler) away from
the fans and belts. Failure to do so may cause the hands or clothing to be
caught, resulting in serious injury.
● Do not loosen the radiator cap while the engine and radiator are hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
■When adding engine coolant
Wait until the engine has cooled down before adding engine coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot engine too
quickly can cause damage to the engine.
■ To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant with foreign matter (such as sand or dust
etc.).
● Do not use any coolant additive.