check engine TOYOTA RAV4 PHEV 2021 Owner's Manual

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7
7-3. Do-it-yours elf maintenance
Maintenance and care
■Engine oil consumption
A certain amount o f engine oil will be
consumed while driving. In the following
situations, oil consumption may increase, and engine oil may need to be
refilled in between oil maintenance inter -
vals.
●When the engine is new, for example
directly after purchasing the vehicle or after replacing the engine
●If low quality oil or oil of an inappropri - ate viscosity is used
●When driving at high engine speeds or with a heavy load , when towing, or
when driving while accelerating or
decelerating frequently
●When leaving the engine idling for a
long time, or when driving frequently through heavy traffic
The coolant level is satisfactory if it
is between the “ FULL” and “LOW”
lines on the reservoir when the
hybrid system is cold.
■Engine coolant reservoir
Reservoir cap
“FULL” line
WARNING
■Used engine oil
●Used engine oil contains poten -
tially harmful contaminants which may cause skin di sorders such as
inflammation and skin cancer, so
care should be taken to avoid pro - longed and repeated contact. To
remove used engine oil from your
skin, wash thoroughly with soap and water.
●Dispose of used oi l and filters only in a safe and acceptable manner.
Do not dispose of used oil and fil -
ters in household trash, in sewers or onto the ground. Call any autho -
rized Toyota ret ailer or Toyota
authorized repairer, or any reliable repairer, service station or auto
parts store for in formation concern-
ing recycling or disposal.
●Do not leave used e ngine oil within
the reach of children.
NOTICE
■To prevent serious engine dam -
age
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine
could be damaged.
●Check the oil leve l on the dipstick
every time you refill the vehicle.
●Be sure the engine oil filler cap is
properly tightened.
■If oil is spilled on the engine
cover
To prevent the engine cover from
being damaged, remove any engine
oil from the engine cover as soon as possible using a neutral detergent. Do
not use an organic solvent such as
brake cleaner.
Checking the coolant
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5047-3. Do-it-yourself maintenance
“LOW” line
If the level is on or below the “LOW”
line, add coolant up to the “FULL” line.
( →P.611)
■Power control unit coolant
reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW”
line, add coolant up to the “FULL” line.
( →P.613)
■Coolant selection
Only use “Toyota Super Long Life Coo - lant” or a similar hig h quality ethylene
glycol based non-si licate, non-amine,
non-nitrite, and non- borate coolant with long-life hybrid org anic acid technology.
“Toyota Super Long Life Coolant” is a
mixture of 50% coolant and 50% deion - ized water. (Minimu m temperature: -
35°C [-31°F])
For more details about coolant, contact any authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
■If the coolant level drops within a short time of replenishing
Visually check the radiators, hoses,
engine/power control unit coolant reser - voir caps, drain cock and water pump.
If you cannot find a leak, have any
authorized Toyota r etailer or Toyota
authorized repairer, or any reliable repairer, test the cap and check for
leaks in the cooling system.
Check the radiator and condenser,
and clear away any foreign objects.
If either of the above parts is
extremely dirty or you are not sure
of their condition, have your vehicle
inspected by any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer.
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WARNING
■When the hybrid system is hot
Do not remove the engine/power con -
trol unit coolant reservoir caps.
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 mix - ture of water and antifreeze must be
used to provide proper lubrication,
corrosion protection and cooling. Be sure to read the anti freeze or coolant
label.
■If you spill coolant
Be sure to wash it off with water to
prevent it from damaging parts or
paint.
Checking the radiator and
condenser

505
7
7-3. Do-it-yours elf maintenance
Maintenance and care
Without level gauge
Type A: If any washer does not
work, the washer tank may be
empty. Add washer fluid.
Type B: If any washer does not
work or the wa rning message
appears on the multi-information
display, the washer tank may be
empty. Add washer fluid.
With level gauge
If the washer fluid level is at “LOW”,
add washer fluid.
■Using the gauge (if equipped)
The washer fluid level can be checked
by observing the position of the level on
the liquid-covered holes in the gauge.
If the level falls below the second hole
from the bottom (the “LOW” position),
refill the washer fluid.
Current fluid level
WARNING
■When the hybrid system is hot
Do not touch the radiator or con -
denser as they may be hot and cause serious injuries, such as burns.
■When the electric cooling fan is operating
Do not touch the engine compart -
ment.
With the power swi tch in ON mode, the electric cooli ng fan may automati-
cally start to run if t he air conditioning
is on and/or the c oolant temperature is high. Be sure the power switch is
off when working near the electric
cooling fan or radiator grille.
Checking and adding the
washer fluid
WARNING
■When adding washer fluid
Do not add washer fluid when the
hybrid system is hot or operating as
washer fluid contains alcohol and may catch fire if sp illed on the hybrid
system, etc.
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545
7
7-3. Do-it-yours elf maintenance
Maintenance and care
1Turn the power switch off.
Confirm that the charging connector is
not connected. Also, do not use the
Remote Air Conditioning System during the procedure.
2 Open the fuse box cover.
Engine compartment: Type A
fuse box
Push claw and to completely
release the lock, and then lift up the
cover.
Engine compartment: Type B
fuse box
Push claw and to completely
release the lock, and then lift up the
cover.
Left side instrument panel
Left-hand drive vehi cles: Remove the
lid.
Right-hand drive vehicles: Push the tab
in and remove the cover, and then
remove the lid.
Checking and replacing
fuses
If any of the electrical compo -
nents do not operate, a fuse
may have blown. If this hap -
pens, check and replace the
fuses as necessary.
Checking and replacing
fuses
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579
8
8-2. Steps to take in an emergency
When trouble arises
A warning message about an operation
of the brake pedal m ay be shown while
the driving suppor t systems such as
PCS (Pre-Collis ion system) (if
equipped) or the dynamic radar cruise
control with full- speed range (if
equipped) is operating. If a warning
message is shown, be sure to deceler -
ate the vehicle or follow an instruction
shown on the multi-in formation display.
• A warning message is shown when
Brake Override System operates. ( →P.301, 574)
• A warning message is shown when
Drive-Start Control or Parking Support Brake function (if equipped) operates
( →P.301, 420). Follow the instructions
on the multi-information display.
●If a message about an operation of
the power switch is shown
An instruction for operation of the power
switch is shown when the incorrect pro -
cedure for starting the hybrid system is
performed or the power switch is oper -
ated incorrectly. Follow the instructions
shown on the multi-in formation display
to operate the pow er switch again.
●If a message about a shift lever opera-
tion is shown
To prevent the shift lever from being
operated incorrectly or the vehicle from
moving unexpectedly, a message that
requires shifting the shift lever may be
shown on the multi-in formation display.
In that case, follow the instruction of the
message and shift the shift lever.
●If a message or image about an
open/close state of a part or replen-
ishment of a consumable is shown
Confirm the part indicated by the multi-
information display or a warning light,
and then perform the coping method
such as closing the open door or replen -
ishing a consumable.
■If a message that indicates the
need for visiting any authorized Toyota retailer or Toyota autho -
rized repairer, or any reliable
repairer is displayed
The system or part sh own on the multi-
information display is malfunctioning.
Have the vehicle inspected by any authorized Toyota r etailer or Toyota
authorized repairer, or any reliable
repairer immediately.
■If a message that indicates the need for referring to Owner’s Man -
ual is displayed
●If the following messages are shown,
follow the instructions, accordingly.
• “Blind Spot Monitor Unavailable” ( →P.394, 578)
• “RCTA Unavailable” ( →P.394, 578)
• “Engine Coolant Temp High” ( →P.611)
• “Exhaust Filter Full” ( →P.437)
●If the following messages are shown,
there may be a malfunction. Immedi -
ately stop the vehicle in a safe place and contact any authorized Toyota
retailer or Toyota authorized repairer,
or any reliable repairer. Continuing to drive the vehicle may be dangerous.
• “Plug-in charging system malfunction”
• “Hybrid System Malfunction” • “Charging System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction” • “Accelerator System Malfunction”
• “Smart Entry & Start System Malfunc -
tion”
●If the following messages are shown,
there may be a malfunction. Immedi - ately have the vehi cle inspected by
any authorized Toyota retailer or
Toyota authorized repairer, or any reli -
able repairer. • “Oil Pressure Low”
• “Braking Power Low”
●If any of the following messages are
shown on the multi-information dis -
play, the vehicle ma y have run out of fuel. Stop the vehicle in a safe place
and, if the fuel leve l is low, refuel the

581
8
8-2. Steps to take in an emergency
When trouble arises
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level may be low. Check
the level of the engine oil, and add
engine oil if necessary. This message may be displayed if the vehicle is
stopped on a slope. Move the vehicle to
a level surface and check if the mes - sage disappears.
■If a message that indicates the mal -
function of fron t camera is dis-
played (if equipped)
The following systems may be sus -
pended until the prob lem shown in the
message is resolved. ( →P.353, 568)
●PCS (Pre-Collision System)*
●LTA (Lane Tracing Assist)*
●Automatic High Beam*
●RSA (Road Sign Assist)*
●Dynamic radar cruise control with full-
speed range*
*: If equipped
■If “Radar Cruise Control Unavail -
able See Owner ’s Manual” is
shown (if equipped)
The dynamic radar cru ise control with full-speed range system (if equipped) is
suspended temporarily or until the prob -
lem shown in the message is resolved. (causes and coping methods: →P.353)
■If “Radar Cruise Control Unavail-
able” is shown (if equipped)
The dynamic radar cru ise control with full-speed range system (if equipped)
cannot be used temporarily. Use the
system when it bec omes available again.
■Warning buzzer
→ P.576
WARNING
■If a warning light comes on or a
warning buzzer sounds when a
warning message is shown on the multi-information display
→ P.577
NOTICE
■“High Power Consumption Par- tial Limit On AC/Heater Opera -
tion” is frequently shown
There is a possible malfunction relat - ing to the chargin g system or the 12-
volt battery may b e deteriorating.
Have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
■If “Maintenance required For
Traction Battery A t Your Dealer” is shown
The hybrid battery (traction battery) is
scheduled to be inspected or
replaced. Have the vehicle inspected by any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer immediately.
●Continuing to drive the vehicle with -
out having the hybr id battery (trac-
tion battery) inspected will cause the hybrid system not to start.
●If the hybrid system does not start, contact any autho rized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer immediately.

6128-2. Steps to take in an emergency
3After the hybrid system has
cooled down sufficiently, inspect
the hoses and radiator core
(radiator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contac t any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
4 The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
5 Add coolant if necessary.
Water can be used in an emergency if
engine coolant is unavailable.
If water was added in an emergency,
have the vehicle i nspected at any
authorized Toyota r etailer or Toyota authorized repairer, or any reliable
repairer as soon as possible.
6 Start the hybrid system and turn
the air conditioning system on to
check that the radiator cooling
fan operates and to check for
coolant leaks from the radiator
or hoses.
The fan operates when the air condi -
tioning system is turned on immediately
after a cold start. Confirm that the fan is operating by check ing the fan sound
and air flow. If it is difficult to check
these, adjust the temperature control switch to “LO” and turn the “A/C” switch
ON and OFF. After t his, turn the air
conditioning system o n and off repeat- edly. (The fan may not operate in freez-
ing temperatures.)
7 If the fan is not operating:
Stop the hybrid system immedi -
ately and contact any authorized
Toyota retailer or Toyota autho -
rized repairer, or any reliable
repairer.
If the fan is operating:
Have the vehicle inspected at
the nearest authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer.
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613
8
8-2. Steps to take in an emergency
When trouble arises
8 Check if “Engine Coolant Temp
High Stop in a Safe Place See
Owner’s Manual” is shown on
the multi-information display.
If the message does not disap -
pear:
Stop the hybrid system and con -
tact any authorized Toyota
retailer or Toyo ta authorized
repairer, or any reliable repairer.
If the message is not displayed:
Have the vehicle inspected at
the nearest authorized Toyota
retailer or Toyo ta authorized
repairer, or any reliable repairer.
■If “Hybrid System Overheated
Output Power Reduced” is
shown on the multi-informa -
tion display
1 Stop the vehicle in a safe place.
2 Stop the hybrid system and
carefully lift the hood.
3 After the hybrid system has
cooled down, inspect the hoses
and radiator core (radiator) for
any leaks.
Radiator
Cooling fan
If a large amount o f coolant leaks,
immediately contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
4 The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
5 Add coolant if necessary.
Water can be used in an emergency if
power control unit coolant is unavail- able.
If water was added in an emergency,
have the vehicle i nspected at any authorized Toyota r etailer or Toyota
authorized repairer, or any reliable
repairer as soon as possible.
6 After stopping the hybrid system
and waiting for 5 minutes or
more, start the hybrid system
again and check th e multi-infor-
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6148-2. Steps to take in an emergency
mation display.
If the message does not disap -
pear: Stop the hybrid system
and contact any authorized
Toyota retailer or Toyota autho -
rized repairer, or any reliable
repairer.
If the message is no t displayed: The
hybrid system temperature has dropped and the vehicle may be driven
normally.
However, if the message appears again frequently, contact any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●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.
●After the hybrid system has been
turned off, check that the “READY” indicator is off.
When the hybrid system is operat -
ing, the gasoline engine may auto - matically start, or the cooling fan
may suddenly operate even if the
gasoline engine stops. Do not touch or approach rotatin g parts such as
the fan, which may lead to fingers
or clothing (especia lly a tie, a scarf or a muffler) getting caught, result -
ing in serious injury.
●Do not loosen the c oolant reservoir
cap while t he hybrid system and
radiator are hot. High temperature steam or coolant
could spray out.
NOTICE
■When adding engine/power con -
trol unit coolant
Add coolant slowly after the hybrid system has cooled down sufficiently.
Adding cool coolant to a hot hybrid
system too quickly can cause dam- age to the hybrid system.
■To prevent damage to the cool -
ing system
Observe the following precautions:
●Avoid contaminating the coolant
with foreign matter (such as sand or dust, etc.).
●Do not use any coolant additive.

621
9
9-1. Specifications
Vehicle specifications
■Oil capacity (Drain and refill ⎯ reference*)
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up the engine and turning off the hybrid system, wait more than
5 minutes, and check the oi l level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used
in your Toyota veh icle. Toyota rec-
ommends the use of approved
“Toyota Genuine Motor Oil”.
Another motor oil of matching qual -
ity can also be used.
Oil grade:
0W-16:
API grade SN “Resource-Conserv -
ing” or SN PLUS “Resource-Con -
serving” multigrade engine oil
0W-20 and 5W-30:
API grade SL “Energy-Conserving”,
SM “Energy-Conserving”, SN
“Resource-Conserving” or SN
PLUS “Resource-Conserving”; or
ILSAC multigrade engine oil
Recommended visc osity (SAE):
SAE 0W-16 is filled into your
Toyota vehicle at manufacturing,
and the best choice for good fuel
economy and good starting in cold
weather.
If SAE 0W-16 oil is not available,
SAE 0W-20 oil may be used. How -
ever, it should be replaced with
SAE 0W-16 at the next oil change.
Preferred
Temperature range anticipated
Hybrid battery (traction battery)
TypeLithium-ion battery
Voltage3.7 V/cell
Capacity51 Ah
Quantity96 cells
Nominal voltage355.2 V
Lubrication system
With filter4.5 L (4.8 qt., 4.0 Imp. qt.)
Without filter4.2 L (4.4 qt., 3.7 Imp. qt.)
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