2021 TOYOTA RAV4 PLUG-IN HYBRID engine

547
7
7-3. Do-it-yours elf maintenance
Maintenance and care
Type C
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that
the tab is installed securely.
●If the lights do not t urn on even after
the fuse has been replaced, a bulb
may need replacement. ( →P.548)
●If the replaced fuse blows again, have
the vehicle inspec ted by any autho-
rized Toyota retailer or Toyota autho - rized repairer, or any reliable repairer.
■If there is an over load in a circuit
The fuses are designed to blow, protect -
ing the wiring har ness from damage.
■When replacing an electronic com- ponent, such as a lights, etc.
Toyota recommends that you use genu -
ine Toyota product s designed for this vehicle. Because certain bulbs are con -
nected to circuits de signed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be unus -
able.
A
B
WARNING
■To prevent system breakdowns
and vehicle fire
Observe the following precautions. Failure to do so may cause damage
to the vehicle, and possibly a fire or
injury.
●Never use a fu se of a higher
amperage rating than that indi -
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota fuse
or equivalent. Never replace a fuse with a wire,
even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of el ectrical overload
determined and repaired by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer as soon as possible.
■To prevent damage to the engine
compartment fuse box cover
When opening the fuse box, com - pletely release th e claw locks before
lifting up the cover. Otherwise, the
claws may be damaged.

5668-2. Steps to take in an emergency
5Securely attach cables or chains
to the towing eyelet.
Take care not to damage the vehicle
body.
6 Enter the vehicle being towed
and start the hybrid system.
Turn off the Parking Support Brake
function. (if equipped): →P.420
If the hybrid system d oes not start, turn
the power switch to ON.
7 Shift the shift lever to N and
release the parking brake.
Turn automatic mode off. ( →P.327)
When the shift lever cannot be shifted:
→ P.323
■While towing
If the hybrid system is not running, the
power assist for the brakes and steering will not function, making steering and
braking more difficult.
■Wheel nut wrench (if equipped)
Wheel nut wrench is installed in the deck under tray. ( →P.583, 594)
Fluid leaks under the vehicle
(Water dripping from the air con -
ditioning after use is normal.)
 Flat-looking tires or uneven tire
wear
 High coolant temperature warn-
ing light flashes or come on
 Changes in exhaust sound
 Excessive tire squeal when cor-
nering
 Strange noises related to the
suspension system
 Pinging or other noises related to
the hybrid system
 Engine missing, stumbling or
running roughly
 Appreciable loss of power
If you think something is
wrong
If you notice any of the follow -
ing symptoms, your vehicle
probably needs adjustment or
repair. Contact any authorized
Toyota retailer or Toyota
authorized repairer, or any reli -
able repairer as soon as possi -
ble.
Visible symptoms
Audible symptoms
Operational symptoms

569
8
8-2. Steps to take in an emergency
When trouble arises
■Charging system warning light*
*: This light illuminates on the multi-information display.
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
■Hybrid system overheat warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging sys-
tem
→ Immediately stop the vehicle in a safe place
and contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable
repairer.
Warning lightDetails/Actions
Indicates that the engine is overheating
→ Immediately stop the vehicle in a safe place.
Handling method ( →P.611)
Warning lightDetails/Actions
Indicates that the hybrid system has overheated
→ Stop the vehicle in a safe place.
Handling method ( →P.611)
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
→ Immediately stop the vehicle in a safe place
and contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable
repairer.

5708-2. Steps to take in an emergency
■Malfunction indicator lamp*
*: This light illuminates on the multi-information display.
■SRS warning light
■ABS warning light
■Electric power steering system warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
Warning lightDetails/Actions
Indicates a malfunction in:
 The hybrid system;
 The electronic engine control system;
 The electronic throttle control system; or
 The emission control system (if equipped)
→ Have the vehicle inspected by any authorized
Toyota retailer or Toyota authorized repairer,
or any reliable re pairer immediately.
Warning lightDetails/Actions
Indicates a malfunction in:
 The SRS airbag system; or
 The seat belt pretensioner system
→ Have the vehicle inspected by any authorized
Toyota retailer or Toyota authorized repairer,
or any reliable re pairer immediately.
Warning lightDetails/Actions
Indicates a malfunction in:
 The ABS; or
 The brake assist system
→ Have the vehicle inspected by any authorized
Toyota retailer or Toyota authorized repairer,
or any reliable re pairer immediately.
Warning lightDetails/Actions
(Red/yellow)
Indicates a malfunction in the EPS (Electric Power
Steering) system
→ Have the vehicle inspected by any authorized
Toyota retailer or Toyota authorized repairer,
or any reliable re pairer immediately.

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

5808-2. Steps to take in an emergency
vehicle.
• “Hybrid System Stopped” • “Engine Stopped”
●If “Maintenance required for DCDC converter cooling parts See Owner’s
Manual” is shown, the filter may be
clogged, the air intake vent may be blocked, or there may be a gap in the
duct. Therefore, perform the following
correction procedure. • If the air intake v ent or filter of the
DC/DC converter are dirty, perform
the procedures on P.536 to clean them.
• If the warning message is shown
when the air intake vent and filter of the DC/DC converter are not dirty,
have the vehicle inspected at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
●If “12-Volt Battery Charging System
Malfunction Stop in a Safe Place See
Owner’s Manual” is shown
Indicates a malfunct ion in the vehicle’s
charging system. Pull over and stop the
vehicle as soon as it is safe to do so.
While the message is displayed, the
functions of the air conditioning, etc.
may be partially limited in order to
reduce the power consumption of the
12-volt battery.
■If “Hybrid System Overheated Out - put Power Reduced” is shown
The message may be shown when driv -
ing under severe ope rating conditions. (For example, when driving up a long
steep hill or drivi ng up a steep hill in
reverse.)
Coping method: →P.611
■If “Traction Battery Needs to be Protected Refrain from the Use of N
Position” is shown
This message may be displayed when the shift lever is in N.
As the hybrid battery (traction battery)
cannot be charged when the shift lever
is in N, shift the shift lever to P when the
vehicle is stopped.
■If “Traction Battery Needs to be Protected Shift into P to Restart” is
shown
This message is displayed when the hybrid battery (trac tion battery) charge
has become extremely low because the
shift lever has been left in N for a certain amount of time.
When operating the vehicle, shift to P
and restart the hybrid system.
■If “Shift to P when Parked” is shown
Message is displayed when the driver’s
door is opened without turning the power switch to OFF with the shift lever
in any position other than P.
Shift the shif t lever to P.
■If “Shift is in N Release Accelerator Before Shifting” is shown
Message is displaye d when the acceler-
ator pedal has been depressed and the shift lever is in N. Release the accelera -
tor pedal and shift the shift lever to D or
R.
■If “Press Brake when Vehicle is Stopped Hybrid System may Over -
heat” is shown
Message is displaye d when the acceler- ator pedal is depressed to maintain the
vehicle position when stopped on a
upward slope, etc.
If this continues, the hybrid system may
overheat.
Release the accelerator pedal and depress the brake pedal.
■If “Auto Power OFF to Conserve
Battery” is shown
Power was turned off due to the auto -
matic power o ff function.
Next time when starting the hybrid sys -
tem, operate the hybrid system for
approximately 5 minutes to recharge the 12-volt battery.

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.

6008-2. Steps to take in an emergency
WARNING
■When using the compact spare
tire
●Remember that the compact spare tire provided is specifically
designed for use with your vehicle.
Do not use your compact spare tire on another vehicle.
●Do not use more than one compact
spare tire simultaneously.
●Replace the compact spare tire with
a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt
steering, sudden braking and shift - ing operations that cause sudden
engine braking.
■When the compact spare tire is
attached
The vehicle speed may not be cor - rectly detected, and the following sys -
tems may not oper ate correctly:
• ABS & Brake assist
• VSC/Trailer Sway Control
•TRC
• Cruise control (if equipped)
• Dynamic radar cruise control with
full-speed range (if equipped)
• PCS (Pre-Collision System) (if
equipped)
• EPS
• LTA (Lane Tracing Assist) (if
equipped)
• Tire pressure warning system
• AHB (Automatic High Beam) (if equipped)
• BSM (Blind Spot Monitor) (if equipped)
• Rear view monitor system (if equipped)
• Panoramic view monitor (if equipped)
• Toyota parking assist monitor (if equipped)
• Toyota parking assist-sensor (if equipped)
• PKSB (Parking Support Brake) (if equipped)
• Navigation system (if equipped)
Also, not only can the following sys-
tem not be utilized fully, but it may actually negatively affect the drive-
train components:
• E-Four (Electro nic On-Demand AWD system)
■Speed limit when using the com - pact spare tire
Do not drive at speeds in excess of 80
km/h (50 mph) when a compact spare tire is installed on the vehicle.
The compact spare tire is not
designed for driving at high speeds. Failure to observe this precaution
may lead to an accident causing
death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their
storage location to reduce the possi -
bility of personal i njury during a colli- sion or sudden braking.
NOTICE
■Be careful when driving over
bumps with the compact spare
tire installed on the vehicle
The vehicle height may become lower
when driving with the compact spare
tire compared to w hen driving with standard tires. Be careful when driv-
ing over uneven road surfaces.