engine TOYOTA RAV4 PLUG-IN HYBRID 2022 Workshop Manual

459
7
7-3. Do-it-yourself 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 warning 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.
QUsing 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
QWhen 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.
QWhen the electric cooling fan is operating
Do not touch the engine compart-
ment.
With the power switch in ON, the electric cooling fan may automatically
start to run if the air conditioning is on and/or the coolant temperature is high. Be sure the power switch is off
when working near the electric cool- ing fan or radiator grille.
Checking and adding the
washer fluid
WARNING
QWhen 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 spilled on the hybrid system, etc.
A

4607-3. Do-it-yourself maintenance
The 12-volt battery is located in the
right-hand side of luggage compart-
ment.
QBefore recharging
When recharging, the 12-volt battery produces hydrogen gas which is flam-mable and explosive. Therefore,
observe the following precautions before recharging:
OIf recharging with the 12-volt battery installed on the vehicle, be sure to dis-connect the ground cable.
OMake sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the 12-volt battery.
QAfter recharging/reconnecting the 12-volt battery
The hybrid system may not start. Follow the procedure below to initialize the sys-tem.
1 Shift the shift lever to P.
2 Open and close any of the doors.
3 Restart the hybrid system.
OUnlocking the doors using the smart entry & start system may not be possi-
ble immediately after reconnecting the 12-volt battery. If this happens, use the wireless remote control or the
mechanical key to lock/unlock the
NOTICE
QDo not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.Doing so may cause streaking on the
vehicle’s painted surfaces, as well as damaging the pump leading to prob-lems of the washer fluid not spraying.
QDiluting washer fluid
Dilute washer fluid with water as nec-
essary. Refer to the freezing temperatures listed on the label of the washer fluid
bottle.
12-volt battery
Location

4887-3. Do-it-yourself maintenance
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.
2Open the fuse box cover.
Engine compartment: Type A
fuse box
Push claws and to completely
release the lock, and then lift up the
cover.
Engine compartment: Type B
fuse box
Push claws and to completely
release the lock, and then lift up the
cover.
Left side instrument panel
Left-hand drive vehicles: 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
AB
AB

4907-3. Do-it-yourself maintenance
Type C
Normal fuse
Blown fuse
QAfter a fuse is replaced
OWhen installing the lid, make sure that
the tab is installed securely.
OIf the lights do not turn on even after
the fuse has been replaced, a bulb may need replacement. ( P.491)
OIf the replaced fuse blows again, have the vehicle inspected by any autho-
rized Toyota retailer or Toyota autho- rized repairer, or any reliable repairer.
QIf there is an overload in a circuit
The fuses are designed to blow, protect-
ing the wiring harness from damage.
QWhen replacing an electronic com- ponent, such as a lights, etc.
Toyota recommends that you use genu-
ine Toyota products designed for this vehicle. Because certain bulbs are con-nected to circuits designed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be unus-able.
A
B
WARNING
QTo 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.
ONever use a fuse of a higher amperage rating than that indi-
cated, or use any other object in place of a fuse.
OAlways use a genuine Toyota fuse or equivalent.Never replace a fuse with a wire,
even as a temporary fix.
ODo not modify the fuses or fuse
boxes.
NOTICE
QBefore replacing fuses
Have the cause of electrical overload determined and repaired by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer as soon as possible.
QTo prevent damage to the engine compartment fuse box cover
When opening the fuse box, com- pletely release the claw locks before lifting up the cover. Otherwise, the
claws may be damaged.

5028-1. Essential information
water pressure.
QWater level exceeds the floor
When the water level exceeds the floor and time has passed, the electrical equipment will get damaged, the power
windows will not operate, the engine and motor stop, and the vehicle may not be able to get moving.
QUsing an emergency escape ham-
mer*1
Laminated glass*2 is used in the wind- shield and the windows on this vehicle.
Laminated glass cannot be shattered
with an emergency hammer*1.*1: Contact any authorized Toyota
retailer or Toyota authorized repairer,
or any reliable repairer or aftermarket
accessory manufacturer for further
information about an emergency
hammer.
*2: If equipped
QHow to distinguish laminated glass
When looking from the cross-sectional
view point, laminated glass is two sheets of glass pasted together.
Laminated glass
Tempered glass
A
B
WARNING
QCaution while driving
Do not drive on roads where the
roads may be submerged or the water may be rising. Otherwise the vehicle may be damaged and cannot move,
as well as become flooded and set a drift, which may lead to death.

5068-2. 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.379
If the hybrid system does 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.283)
When the shift lever cannot be shifted:
 P.279
QWhile 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.
QWheel nut wrench (if equipped)
Wheel nut wrench is installed in the deck under tray. ( P.523, 534)
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

509
8
8-2. Steps to take in an emergency
When trouble arises
QCharging system warning light*
*: This light illuminates on the multi-information display.
QHigh coolant temperature warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
QHybrid system overheat warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
QLow 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.551)
Warning lightDetails/Actions
Indicates that the hybrid system has overheated
 Stop the vehicle in a safe place.
Handling method ( P.551)
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.

5108-2. Steps to take in an emergency
QMalfunction indicator lamp*
*: This light illuminates on the multi-information display.
QSRS warning light
QABS warning light
QElectric 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 repairer 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 repairer 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 repairer 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 repairer immediately.

519
8
8-2. Steps to take in an emergency
When trouble arises
• A warning message about an opera-
tion of the brake pedal may be shown while the driving support systems such as PCS (Pre-Collision 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 decel- erate the vehicle or follow an instruc-tion shown on the multi-information
display. • A warning message is shown when Brake Override System operates.
( P.257) • A warning message is shown when Drive-Start Control or Parking Support
Brake function (if equipped) operates ( P.257, 379). Follow the instructions on the multi-information display.
OIf 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-information display
to operate the power switch again.
OIf 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-information display.
In that case, follow the instruction of the
message and shift the shift lever.
OIf 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.
QIf 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 shown on the multi- information display is malfunctioning.
Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer immediately.
QIf a message that indicates the need for referring to Owner’s Man-ual is displayed
OIf the following messages are shown, follow the instructions, accordingly.
• “Blind Spot Monitor Unavailable” ( P.350) • “RCTA Unavailable” ( P.350)
• “Engine Coolant Temp High” ( P.551) • “Exhaust Filter Full” ( P.390)
OIf the following messages are shown, there may be a malfunction.
Immediately have the vehicle inspected by any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer.• “Plug-in Charging System Malfunc-
tion” • “Hybrid System Malfunction”• “Charging system malfunction”
• “Check Engine” • “Traction battery system malfunction”• “Accelerator System Malfunction”
• “Smart Entry & Start System Malfunc- tion”
OIf the following messages are shown, there may be a malfunction.
Immediately stop the vehicle in a safe place and contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer. Con- tinuing to drive the vehicle may be dan-gerous.
•“Oil Pressure Low” • “Braking Power Low”
OIf any of the following messages are shown on the multi-information dis-

5208-2. Steps to take in an emergency
play, the vehicle may have run out of
fuel. Stop the vehicle in a safe place and, if the fuel level is low, refuel the vehicle.
• “Hybrid System Stopped” • “Engine Stopped”
OIf “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 vent or filter of the DC/DC converter are dirty, perform
the procedures on P.479 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.
OIf “12-Volt Battery Charging System Malfunction Stop in a Safe Place See
Owner’s Manual” is shown
Indicates a malfunction 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.
QIf “Hybrid System Overheated Out- put Power Reduced” is shown
The message may be shown when driv-
ing under severe operating conditions. (For example, when driving up a long steep hill or driving up a steep hill in
reverse.)
Coping method: P.551
QIf “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.
QIf “Traction Battery Needs to be
Protected Shift into P to Restart” is shown
This message is displayed when the
hybrid battery (traction 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.
QIf “Shift to P Before Exiting Vehi-
cle” 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 shift lever to P.
QIf “Shift Out of N Release Accelera-
tor Before Shifting” is shown
Message is displayed 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.
QIf “Press Brake when vehicle is
stopped Hybrid system may over- heat” is shown
Message is displayed 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.
QIf “Auto Power OFF to Conserve Battery” is shown
Power was turned off due to the auto-
matic power off function.
Next time when starting the hybrid sys- tem, operate the hybrid system for
approximately 5 minutes to recharge the 12-volt battery.