2012 TOYOTA RAV4 EV radiator

342
4-2. Maintenance
General maintenance
Motor compartment
ItemsCheck points
12-volt battery Check the connections.
(P. 362)
Brake fluid Is the brake fluid at the correct
level? (
P. 361)
Motor/traction battery coolant Is the coolant at the correct level?
(P. 357)
Heater coolant Is the coolant at the correct level?
(P. 359)
Condenser/radiators The condenser and radiators
should be free from foreign
objects. (
P. 360)
Washer fluid Is there sufficient washer fluid?
(P. 365)
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Owner's Warranty Informa-
tion Booklet” or “Owner’s Manual Supplement/Scheduled
Maintenance Guide”. It is recommended that any problem you notice
should be brought to the attention of your Toyota dealer or qualified
service shop for advice.

347
4-3. Do-it-yourself maintenance
4
Maintenance and care
ItemsParts and tools
Fuses ( P. 385)• Fuse with same amperage rating
as original
Headlight aim ( P. 398) • Phillips-head screwdriver
Light bulb ( P. 400)• Bulb with same number and watt-
age rating as original
• Flathead screwdriver
• Phillips-head screwdriver
Condenser and radiators (P. 360) 
Tire inflation pressure (
P. 374) • Tire pressure gauge
• Compressed air source
Washer fluid
(P. 365) • Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

348 4-3. Do-it-yourself maintenance
CAUTION
The motor compartment contains many mechanisms and fluids that may move
suddenly, become hot, or become electrically energized. To avoid death or
serious injury, observe the following precautions:
■When working on the motor compartment
●Make sure that the indicator on the “POWER” switch and the “READY”
indicator are both off.
● Keep hands, clothing and tools away from the moving fans.
● Be careful not to touch the motor, power control unit, radiator, heater, etc.
right after driving as they may be hot. Coolant and other fluids may also be
hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
motor compartment.
● Do not smoke, cause sparks or expose an open flame to the 12-volt bat-
tery. 12-volt battery fumes are flammable.
● Be extremely cautious when working on the 12-volt battery. It contains poi-
sonous and corrosive sulfuric acid.
● Take care because brake fluid can harm your hands or eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with
clean water immediately.
If you still experience discomfort, see a doctor.
● Never touch, disassemble, remove or replace the high voltage parts,
cables and their connectors. It can cause severe burns or electric shock
that may result in death or serious injury.
■ When working near the electric c ooling fans or radiator grille
Be sure the “POWER” switch is off.
With the “POWER” switch in ON mode, the electric cooling fans may auto-
matically start to run if the air conditioning is on and/or the coolant tempera-
ture is high. ( P. 360)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.

355
4-3. Do-it-yourself maintenance
4
Maintenance and care
Motor compartment
Fuse boxes (P. 385)
Motor coolant reservoir ( P. 357)
12-volt battery ( P. 362)
Brake fluid reservoir ( P. 361)
Heater coolant reservoir ( P. 359)Traction battery coolant
reservoir ( P. 357)
Radiators ( P. 360)
Condenser ( P. 360)
Electric cooling fans
Washer fluid tank ( P. 365)

358 4-3. Do-it-yourself maintenance
■Coolant selection
Only use “Zerex G 48” or “Glysantin G 48”.
“Zerex G 48” and “Glysantin G 48” are blue in color.
Reference:
The dilution ratio for both “Zerex G 48” and “Glysantin G 48” is 50% cool-
ant and 50% deionized water. (Minimum temperature: approximately -32 F
[-36 C])
For more details about motor/traction battery coolant, contact your Toyota
dealer.
■ If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, motor/traction battery coolant reservoir
cap, drain cock and water pump.
If you cannot find a leak, have your Toyota dealer test the cap and check for
leaks in the cooling system.
CAUTION
■When the EV system is hot
Do not remove the coolant reservoir cap.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
●Coolant is neither plain water nor straight antifreeze. The correct mixture
of water and antifreeze must be used to provide proper lubrication, corro-
sion protection and cooling. Be sure to read the antifreeze or coolant label.
● Do not add heater coolant to the motor or traction battery coolant reser-
voirs. Doing so will negatively affect the coolant’s performance and cause
the cooling system to malfunction.
■ If you spill coolant
Be sure to wash it off with water to prevent damage to parts or paint.

360 4-3. Do-it-yourself maintenance
Condenser and radiatorsCheck the condenser and radiator s, and clear away any foreign
objects.
If either of the above parts are ex tremely dirty or you are not sure of
their condition, have your vehicl e checked by your Toyota dealer.
NOTICE
■When adding heater coolant
●Coolant is neither plain water nor straight antifreeze. The correct mixture
of water and antifreeze must be used to provide proper lubrication and
corrosion protection. Be sure to read the antifreeze or coolant label.
● Do not add motor or traction battery coolant to the heater coolant reser-
voir. Doing so will negatively affect the coolant’s performance and cause
the heater system to malfunction.
■ If you spill coolant
Be sure to wash it off with water to prevent damage to parts or paint.
CAUTION
■When the EV system is hot
Do not touch the condenser or radiators as they may be hot and cause seri-
ous injuries, such as burns.

476 5-2. Steps to take in an emergency
If necessary, add motor/traction
battery coolant up to the “F” or
“FULL” line.
Add after confirming the type of
coolant. (P. 357)
Water can be used in an emer-
gency if motor/traction battery
coolant is unavailable.
Have the vehicle checked at nearest Toyota dealer as soon as possi-
ble.
STEP 5
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 motor compartment may be very hot, caus-
ing serious injury such as burns.
● Check that the indicator on the “POWER” switch and the “READY” indica-
tor are off.
● When the “READY” indicator is illuminated, the cooling fans may su\
ddenly
start to operate. Do not touch or approach the 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 EV system and radiator
are hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
■When adding motor/traction battery coolant
Wait until the EV system has cooled down before adding motor/traction bat-
tery coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot EV system
too quickly can cause damage to the EV system.

514 Alphabetical index
Odometer .................................. 218
OpenerCharging port door ..................59
Hood...................................... 349
Outside rear view mirrors
Adjusting and folding ............. 143
Defogger ............................... 292
Overheat ................................... 475
Parking brake ........................... 216
Parking lights
Replacing light bulbs ............. 400
Switch.................................... 234
Personal/interior lights Switch.................................... 294
Wattage ................................. 488
Power outlet ............................. 306
“POWER” switch...................... 200
Power windows ........................ 146
Pre-climate (Remote Climate Control)Pre-climate ......................53, 277
Pre-climate schedule...............53
Remote Climate Control ..........................53, 277 Radiator .................................... 360
Range map ................................. 28
Rear seat
Adjustment ............................ 121
Folding down......................... 122
Rear side marker lights Replacing light bulb............... 400
Switch ................................... 234
Wattage................................. 488
Rear turn signal lights Replacing light bulbs ............. 400
Wattage................................. 488
Rear view monitor system ...... 247
Rear window defogger ............ 292
Rear window wiper .................. 241
Regenerative braking .......... 27, 29
Remote Climate Control system ...................................... 53
Replacing Fuses .................................... 385
Key battery ............................ 383
Light bulbs............................. 400
Tires ...................................... 366
Reporting safety defects for U.S. owners ............................ 506O
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