2023 TOYOTA RAV4 ECU

4376-3. Do-it-yourself maintenance
6
Maintenance and care
with a rag.
2Turn the bulb base counter-
clockwise.
Remove the cord from the clip
before turning the bulb base.
3Remove the light bulb. 4
Install a new light bulb.
5 Install the bulb base to the
light unit by inserting it and
turning the bulb base clock-
wise.
Secure the cord wit h the clip back
again after installing the bulb base.
6 Reinstall the cover.

4386-3. Do-it-yourself maintenance
WARNING
■Replacing light bulb
●Turn off the light. Do not attempt
to replace the bulb immediately
after turning off the light.
The bulb become very hot and
may cause burns.
●Do not touch the glass portion
of the light bulb with bare
hands. When it is unavoidable
to hold the glass portion, use
and hold with a clean dry cloth
to avoid getting moisture and
oils on the bulb.
Also, if the bulb is scratched or
dropped, it may blow out or
crack.
●Fully install light bulb and any
parts used to secure it. Failure
to do so may result in heat dam-
age, fire, or water entering the
light unit. This may damage the
light or cause condensation to
build up on the lens.
●Do not attempt t o repair or dis-
assemble light bulbs, connec-
tors, electric circuits or
component parts.
Doing so may result in death or
serious injury due to electric
shock.
■To prevent damage or fire
●Make sure bulb is fully seated
and locked.
●Check the wattage of the bulb
before installing to prevent heat
damage.

4417-1. Essential information
7
When trouble arises
Vehicles with smart key sys-
tem
Press and hold the engine switch
for 2 consecutive seconds or more,
or press it briefly 3 times or more in
succession.
5Stop the vehicle in a safe
place by the road. 
If the door can be opened,
open the door and exit the
vehicle.
 If the door can not be opened,
open the window using the
power window switch and
ensure an escape route.
 If the window can be opened,
exit the vehicle through the
window.
 If the door and window cannot
be opened due to the rising
water, remain calm, wait until
the water level inside the
vehicle rises to the point that
the water pressure inside of
the vehicle equals the water
pressure outside of the vehi-
cle and then open the door
after waiting for the rising
water to enter the vehicle, and
exit the vehicle. When the
WARNING
■If the engine has to be turned
off while driving
●Power assist for the brakes and
steering wheel will be lost, mak-
ing the brake pedal harder to
depress and the steering wheel
heavier to turn. Decelerate as
much as possible before turning
off the engine.
●Vehicles without smart key sys-
tem: Never attempt to remove
the key, as doing so will lock the
steering wheel.
If the vehicle is sub-
merged or water on
the road is rising
This vehicle is not designed
to be able to drive on roads
that are deeply flooded with
water. Do not drive on roads
where the roads may be
submerged or the water
may be rising. It is danger-
ous to remain in the vehicle,
if it anticipated that the vehi-
cle will be flooded or set a
drift. Remain calm and fol-
low the following.

4457-2. Steps to take in an emergency
7
When trouble arises
If a tow truck is not available in
an emergency, your vehicle may
be temporarily towed using
cables or chains secured to the
emergency towing eyelets. This
should only be attempted on
hard surfaced roads for at most
50 miles (80 km) at under 18
mph (30 km/h).
A driver must be in the vehicle to
steer and operate the brakes.
The vehicle’s wheels, drive
train, axles, steering and brakes
must be in good condition.
To have your vehicle towed by
another vehicle, the towing eye-
let must be installed to your
vehicle. Install the towing eyelet
using the following procedure.
1Take out the wheel nut
wrench and towing eyelet.
( P.464)
2 Using a flathead screw-
driver, remove eyelet cover
( ), and then remove eyelet
cover ( ).
To protect the bodywork, place a
rag between the screwdriver and
the vehicle body as shown in the
illustration.
Type A
Type B
3 Insert the towing eyelet into
the hole and tighten partially
by hand.
Type A
Emergency towing (vehi-
cles with towing eyelet)
Emergency towing proce-
dure (vehicles with towing
eyelet)
A
B

4467-2. Steps to take in an emergency
Type B
4 Tighten down the towing eye-
let securely using a wheel nut
wrench or hard metal bar.
Type A
Type B
5 Securely attach cables or
chains to the towing eyelet.
Take care not to damage the vehi-
cle body.
6Enter the vehicle being towed
and start the engine.
Turn off the Parkin g Support Brake function (if equipped):
P.299
If the engine does not start, turn the
engine switch to ON.
Vehicles with Stop & Start system:
Before towing the ve hicle, turn the
engine switch to OFF once, and
then start the engine.
7 Shift the shift lever to N and
release the parking brake.
Turn automatic mode off. ( P.215)
When the shift lever cannot be
shifted:  P.210
■While towing
If the engine 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
tool bag in luggage compartment.
(  P.464)
WARNING
Observe the following precau-
tions. Failure to do so may result
in death or serious injury.
■While towing
●When towing using cables or
chains, avoid sudden starts, etc.
which place excessive stress on
the towing eyelets, cables or
chains. The towing eyelets,
cables or chains may become
damaged, broken debris may hit
people, and cause serious dam-
age.
●Vehicles without smart key sys-
tem: Do not turn the engine
switch to the “LOCK” position.
There is a possibility that the
steering wheel is locked and
cannot be operated.

4477-2. Steps to take in an emergency
7
When trouble arises
Fluid leaks under the vehicle
(Water dripping from the air
conditioning after use is nor-
mal.)
 Flat-looking tires or uneven
tire wear
 Engine coolant temperature
gauge needle continually
points higher than normal.
 Changes in exhaust sound
 Excessive tire squeal when
cornering
 Strange noises related to the
suspension system
 Pinging or other noises
related to the engine
 Engine missing, stumbling or
running roughly
 Appreciable loss of power
 Vehicle pulls heavily to one
WARNING
■Installing towi ng eyelets to
the vehicle
Make sure that towing eyelets are
installed securely. If not securely
installed, towing eyelets may
come loose during towing.
NOTICE
■To prevent damage to the
vehicle during emergency
towing
Do not secure cables or chains to
the suspension components.
■When towing the vehicle
(vehicles with Stop & Start
system)
If it is necessary to tow the vehicle
with all four wheels on the ground,
perform the following procedure
before towing the vehicle, in order
to protect t he system.
Turn the engine switch to OFF
and then start the engine or turn
the engine switch to ON.
If you think something
is wrong
If you notice any of the fol-
lowing symptoms, your
vehicle probably needs
adjustment or repair. Con-
tact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4567-2. Steps to take in an emergency
passenger that his or her seat belt is not fastened. If the sea t belt is
unfastened, the buzzer sounds int ermittently for a certain period of time
after the vehicle reaches a certain speed.
■Rear passengers’ seat belt reminder lights*1 (warning
buzzer*2)
*1: These lights illumina te on the multi-information display.
*2: Rear passengers’ seat belt warning buzzer:
The rear passengers’ seat belt w arning buzzer sounds to alert the rear
passenger that his or her seat belt is not fastened. If the seat belt is
unfastened, the buzzer sounds intermittently for a certain peri od of time,
after the seat belt is fastened and unfastened and the vehicle reaches a
certain speed.
■Warning buzzer
In some cases, the buzzer may not
be heard because of noisy place or
an audio sound.
■Front passenger detection sen-
sor, seat belt reminder and
warning buzzer
●If luggage is placed on the front
passenger seat, the front passen-
ger detection sensor may cause
the warning light to flash and the
warning buzzer to sound even if a
passenger is not sitting in the
seat.
●If a cushion is placed on the seat,
the sensor may n ot detect a pas-
senger, and the warning light may
not operate properly.
■SRS warning light
This warning light system monitors
the airbag sensor assembly, front
impact sensors, side impact sensors
(front door), side impact sensors
(front), driver’s seat position sen- sor, driver’s seat belt buckle switch,
front passenger occupant classifica-
tion system (ECU and sensors),
“AIR BAG ON” indicator light, “AIR
BAG OFF” indicator light, front pas-
senger’s seat belt buckle switch,
driver’s seat belt pr
etensioner, front
passenger’s seat b elt pretensioner
and force limiter, airbags, intercon-
necting wiring and power sources.
(  P.34)
■If the malfunction indicator
lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel ta nk cap loose?
If it is, tighten it securely.
The light will go off after several
driving trips.
If the light does not go off even after
several trips, con tact your Toyota
dealer as soon as possible.
Warning lightDetails/Actions
(if equipped)
Warns the rear passengers to fasten their seat
belts
 Fasten the seat belt.

4667-2. Steps to take in an emergency
1Take out the jack holder.
2 Loosen the center fastener
that secures the spare tire. 1
Chock the tires.
2 For vehicles with full wheel
ornament: Remove the wheel
ornament using the wrench.
To prevent damage, cover the tip of
the wrench with a rag.
Taking out the spare tire
WARNING
■When storing the spare tire
Be careful not to catch fingers or
other body parts between the
spare tire and the body of the
vehicle.
Replacing a flat tire
Flat tireWheel chock positions
Front left-
hand sideBehind the rear right-
hand side tire
Front right-
hand sideBehind the rear left-
hand side tire
Rear left-
hand sideIn front of the front
right-hand side tire
Rear right-
hand sideIn front of the front
left-hand side tire