sensor TOYOTA RAV4 PLUG-IN HYBRID 2023 Repair Manual

399
5 5-5. Using the driving support systems
Driving
tors, motorcycle engines, air brakes of
large vehicles, the clearance sonar of
other vehicles or other devices which
produce ultrasonic waves are near the
vehicle.
●A sensor is coated with a sheet of
spray or heavy rain.
●If objects draw too close to the sensor.
●When a pedestrian is wearing clothing
that does not reflect ultrasonic waves
(ex. skirts with gathers or frills).
●When objects that are not perpendicu-
lar to the ground, not perpendicular to
the vehicle traveling direction,
uneven, or waving are in the detection
range.
●Strong wind is blowing.
●When driving in inclement weather
such as fog, snow or a sandstorm.
●When an object that cannot be
detected is between the vehicle and a
detected object.
●If an object such as a vehicle, motor-
cycle, bicycle or pedestrian cuts in
front of the vehicle or runs out from
the side of the vehicle.
●If the orientation of a sensor has been
changed due to a collision or other
impact.
●When equipment that may obstruct a
sensor is installed, such as a towing
eyelet, bumper protector (an addi-
tional trim strip, etc.), bicycle carrier,
or snow plow.
●If the front of the vehicle is raised or
lowered due to the carried load.
●If the vehicle cannot be driven in a
stable manner, such as when the
vehicle has been in an accident or is
malfunctioning.
●When tire chains, a compact spare
tire or an emergency tire puncture
repair kit are used.
■Situations in which the system may
operate even if there is no possibil-
ity of a collision
In some situations, such as the follow-ing, the system may operate even
though there is no possibility of a colli-
sion.
●When driving on a narrow road.
●When driving toward a banner, flag,
low-hanging branch or boom barrier
(such as those used at railroad cross-
ings, toll gates and parking lots).
●When there is a rut or hole in the sur-
face of the road.
●When driving on a metal cover (grat-
ing), such as those used for drainage
ditches.
●When driving up or down a steep
slope.
●If a sensor is hit by a large amount of
water, such as when driving on a
flooded road.
●There is dirt, snow, water drops or ice
on a sensor. (Cleaning the sensors
will resolve this problem.)
●A sensor is coated with a sheet of
spray or heavy rain.
●When driving in inclement weather
such as fog, snow or a sandstorm.
●When strong winds are blowing.
●When vehicle horns, vehicle detec-
tors, motorcycle engines, air brakes of
large vehicles, the clearance sonar of
other vehicles or other devices which

4005-5. Using the driving support systems
produce ultrasonic waves are near the
vehicle.
●If the front of the vehicle is raised or
lowered due to the carried load.
●If the orientation of a sensor has been
changed due to a collision or other
impact.
●The vehicle is approaching a tall or
curved curb.
●Driving close to columns (H-shaped
steel beams, etc.) in multi-story park-
ing garages, construction sites, etc.
●If the vehicle cannot be driven in a
stable manner, such as when the
vehicle has been in an accident or is
malfunctioning.
●On an extremely bumpy road, on an
incline, on gravel, or on grass.
●When tire chains, a compact spare
tire or an emergency tire puncture
repair kit are used.
■Detection range of the sensors
Approximately 100 cm (3.3 ft.)
Approximately 150 cm (4.9 ft.)
Approximately 60 cm (2.0 ft.)
The diagram shows the detection
range of the sensors. Note that the
sensors cannot detect objects that
are extremely close to the vehicle.
The range of the sensors may
change depending on the shape of
the object, etc.
■Distance display
When an object is detected by a sensor, the approximate distance to the
object will be displayed on the multi-information display or Multimedia Dis-
play. (As the distance to the object becomes short, the distance segments
may blink.)
The images may differ from that shown in the illustrations.
Approximate distance to object
• Front center sensor: 100 cm (3.3 ft.) to 60 cm (2.0 ft.)
Sensor detection display,
object distance
A
B
C

401
5 5-5. Using the driving support systems
Driving
• Rear center sensor: 150 cm (4.9 ft.) to 60 cm (2.0 ft.)
*1: Vehicles with 7-inch multi-information display
*2: Vehicles with 12.3-inch multi-information display
Approximate distance to object: 60 cm (2.0 ft.) to 45 cm (1.5 ft.)
*1: Vehicles with 7-inch multi-information display
*2: Vehicles with 12.3-inch multi-information display
Approximate distance to object: 45 cm (1.5 ft.) to 30 cm (1.0 ft.)
*1: Vehicles with 7-inch multi-information display
*2: Vehicles with 12.3-inch multi-information display
Approximate distance to object: 30 cm (1.0 ft.) to 15 cm (0.5 ft.)
*1: Vehicles with 7-inch multi-information display
*2: Vehicles with 12.3-inch multi-information display
*3: The distance segments will blink slowly.
Multi-information displayMultimedia Display
*1*2
Multi-information displayMultimedia Display
*1*2
Multi-information displayMultimedia Display
*1*2
Multi-information display*3Multimedia Display
*1*2

4025-5. Using the driving support systems
Approximate distance to object: Less than 15 cm (0.5 ft.)
*1: Vehicles with 7-inch multi-information display
*2: Vehicles with 12.3-inch multi-information display
*3: The distance segments will blink rapidly.
■Buzzer operation and dis-
tance to an object
A buzzer sounds when the sensors
are operating.
The buzzer beeps faster as the
vehicle approaches an object.
When the vehicle comes within
approximately 30 cm (1.0 ft.) of
the object, the buzzer sounds
continuously
When 2 or more sensors simulta-
neously detect a static object,
the buzzer sounds for the near-
est object.
Even when the sensors are oper-
ating, the buzzer will be muted in
some situations. (automatic
buzzer mute function)
■Muting the buzzer sound (vehicles
with PKSB)
●Automatic buzzer mute function
Even when the sensors are operating,
the buzzer will be muted in the following
situations:
• The distance between the vehicle and
the detected object does not become
shorter (except when the distance
between the vehicle and object is 30 cm [1.0 ft.] or less).
• Your vehicle is moving away from the
object.
• There are no detectable objects enter-
ing the path of your vehicle.
However, if another object is detected or
the situation changes while the buzzer is
muted, the buzzer begins sounding
again.
●To mute the buzzer sound
The buzzer can be temporarily muted by
pressing of the meter control
switches while a suggestion that says
mute is available is shown on the multi-
information display.
●When the mute is canceled
Mute will be automatically canceled in
the following situations.
• When the shift position is changed
• When the vehicle speed has reached
or exceeded a certain speed
• When the Toyota parking assist is
turned off once and turned on again
• When the power switch is turned off
once and turned to ON again
■Customization
The buzzer volume can be adjusted on
the multi-information display. (except for
vehicles without front sensors)
(P.206, 217)
Multi-information display*3Multimedia Display
*1*2

403
5
5-5. Using the driving support systems
Driving
*: If equipped
■Parking Support Brake func-
tion (static objects)
 P.407
■Parking Support Brake func-
tion (rear-crossing vehicles)
 P.410
PKSB (Parking Support
Brake)*
The Parking Support Brake
system consists of the follow-
ing functions that operate
when driving at a low speed or
backing up, such as when
parking. When the system
determines that the possibility
of a collision with a detected
object is high, a warning oper-
ates to urge the driver to take
evasive action. If the system
determines that the possibility
of a collision with a detected
object is extremely high, the
brakes are automatically
applied to help avoid the colli-
sion or help reduce the impact
of the collision.
PKSB (Parking Support
Brake) system
WARNING
■Cautions regarding the use of the system
Do not overly rely on the system, as doing so may lead to an accident.
Always drive while checking the
safety of the surroundings of the vehi- cle.
Depending on the vehicle and road
conditions, weather, etc., the system may not operate.
The detection capabilities of sensors
and radars are limited. Always drive while checking the safety of the sur-roundings of the vehicle.
●The driver is solely responsible for safe driving. Always drive carefully,
taking care to observe your sur- roundings. The Parking Support Brake system is designed to pro-
vide support to lessen the severity of collisions. However, it may not operate in some situations.
●The Parking Support Brake system is not designed to stop the vehicle
completely. Additionally, even if the system has stopped the vehicle, it is necessary to depress the brake
pedal immediately as brake control will be canceled after approximately 2 seconds.
●It is extremely dangerous to check the system operations by intention-
ally driving the vehicle into the direction of a wall, etc. Never attempt such actions.
■When to disable the Parking Sup-port Brake
In the following situations, disable the Parking Support Brake as the system may operate even though there is no
possibility of a collision.
●When inspecting the vehicle using
a chassis roller, chassis dynamo or free roller.

4045-5. Using the driving support systems
The Parking Support Brake can be
enabled/disabled on the screen
of the multi-information display. All
of the Parking Support Brake func-
tions (static objects and rear-cross-
ing vehicles) are enabled/disabled
simultaneously. ( P.206, 217)
When the Parking Support Brake is dis-
abled, the PKSB OFF indicator
( P.184) illuminates on the multi-infor-
mation display.
To re-enable the system, select on
the multi-information display, select
and turn it on.
If the system is disabled, it will remain
off even if the power switch is turned to
ON after the power switch has been
turned off.
WARNING
●When loading the vehicle onto a boat, truck or other transport ves-
sel.
●If the suspension has been modi-
fied or tires of a size other than specified are installed.
●If the front of the vehicle is raised or lowered due to the carried load.
●When equipment that may obstruct a sensor is installed, such as a tow-ing eyelet, bumper protector (an
additional trim strip, etc.), bicycle carrier, or snow plow.
●When using automatic car washing devices.
●If the vehicle cannot be driven in a stable manner, such as when the vehicle has been in an accident or
is malfunctioning.
●When the vehicle is driven in a
sporty manner or off-road.
●When the tires are not properly
inflated.
●When the tires are very worn.
●When tire chains, a compact spare tire or an emergency tire puncture
repair kit are used.
●When your vehicle is towing a
trailer or during emergency towing.
NOTICE
■If “Parking Support Brake Unavailable” is displayed on the
multi-information display and the PKSB OFF indicator illuminates
If this message is displayed immedi-
ately after the power switch is changed to ON, operate the vehicle carefully, paying attention to your sur-
roundings. It may be necessary to drive the vehicle for a certain amount of time before the system returns to
normal. (If the system does not return to normal after driving for a while, clean the sensors and their surround-
ing area on the bumpers.)
Enabling/Disabling the Park-
ing Support Brake

407
5 5-5. Using the driving support systems
Driving
■Re-enabling the Parking Support
Brake
To re-enable the Parking Support Brake
when it is disabled due to operation of
the Parking Support Brake, either
enable the system again (P.404), or
turn the power switch off and then back
to ON. Additionally, if the object
becomes no longer in the traveling
direction of the vehicle or if the traveling
direction of the vehicle changes (such
as changing from moving forward to
backing up, or from backing up to mov-
ing forward), the system will be re-
enabled automatically.
■If “Parking Support Brake Unavail-
able” is displayed on the multi-
information display and the PKSB
OFF indicator illuminates
●If “Clean Parking Assist Sensor” is
displayed simultaneously, a sensor
may be covered with ice, snow, dirt,
etc. In this case, remove the ice,
snow, dirt, etc., from the sensor to
return the system to normal. If this
message is shown even after remov-
ing dirt from the sensor, or shown
when the sensor was not dirty to begin
with, have the vehicle inspected at
any authorized Toyota retailer or
Toyota authorized repairer, or any reli-
able repairer.
●If “Parking Assist Unavailable” is dis-
played simultaneously, water may be
continuously flowing over the sensor
surface, such as in a heavy rain.
When the system determines that it is
normal, the system will return to nor-
mal.
*: If equipped
This function will operate in situa-
tions such as the following if an
object is detected in the traveling
direction of the vehicle.
Parking Support Brake
function (static objects)
*
If the sensors detect a static
object, such as a wall, in the
traveling direction of the vehi-
cle and the system determines
that a collision may occur due
to the vehicle suddenly moving
forward due to an accidental
accelerator pedal operation,
the vehicle moving the unin-
tended direction due to the
wrong shift position being
selected, or while parking or
traveling at low speeds, the
system will operate to lessen
the impact with the detected
static object and reduce the
resulting damage.
Examples of function opera-
tion

4085-5. Using the driving support systems
■When traveling at a low speed
and the brake pedal is not
depressed, or is depressed
late
■When the accelerator pedal is
depressed excessively
■When the vehicle moves in the
unintended direction due to
the wrong shift position being
selected
 P.395
■The Parking Support Brake func- tion (static object) will operate
when
The function will operate when the PKSB OFF indicator is not illuminated
( P.183, 184) and all of the following conditions are met:
●Hybrid system output restriction con-
Types of sensors
WARNING
■To ensure the system can oper-
ate properly
 P.397
■If the Parking Support Brake function (static objects) operates unnecessarily, such as at a rail-
road crossing
 P.406
■Notes when washing the vehicle
 P.397

409
5 5-5. Using the driving support systems
Driving
trol
• The Parking Support Brake is
enabled.
• The vehicle speed is approximately 15
km/h (9 mph) or less.
• There is a static object in the traveling
direction of the vehicle and approxi-
mately 2 to 4 m (6 to 13 ft.) away.
• The Parking Support Brake deter-
mines that a stronger-than-normal
brake operation is necessary to avoid
a collision.
●Brake control
• Hybrid system output restriction con-
trol is operating
• The Parking Support Brake deter-
mines that an immediate brake opera-
tion is necessary to avoid a collision.
■The Parking Support Brake func-
tion (static objects) will stop oper-
ating when
The function will stop operating if any of
the following conditions are met:
●Hybrid system output restriction con-
trol
• The Parking Support Brake is dis-
abled.
• The system determines that the colli-
sion has become avoidable with nor-
mal brake operation.
• The static object is no longer approxi-
mately 2 to 4 m (6 to 13 ft.) away from
the vehicle or in the traveling direction
of the vehicle.
●Brake control
• The Parking Support Brake is dis-
abled.
• Approximately 2 seconds have
elapsed since the vehicle was
stopped by brake control.
• The brake pedal is depressed after
the vehicle is stopped by brake con-
trol.
• The static object is no longer approxi-
mately 2 to 4 m (6 to 13 ft.) away from
the vehicle or in the traveling direction
of the vehicle.
■Detection range of the Parking Sup-
port Brake function (static objects)
The detection range of the Parking Sup-port Brake function (static objects) dif-
fers from the detection range of the
Toyota parking assist-sensor. (P.400)
Therefore, even if the Toyota parking
assist-sensor detects an object and pro-
vides a warning, the Parking Support
Brake function (static objects) may not
start operating.
■Situations in which the Parking
Support Brake function (static
objects) may not operate
When the shift lever is in N
■Situations in which the system may
not operate properly
P.398
■Situations in which the system may
operate even if there is no possibil-
ity of a collision
P.399

4105-5. Using the driving support systems
*: If equipped
This function will operate in situa-
tions such as the following if a vehi-
cle is detected in the traveling
direction of the vehicle.
■When reversing, a vehicle is
approaching and the brake
pedal is not depressed, or is
depressed late
 P.388
■The Parking Support Brake func- tion (rear-crossing vehicles) will
operate when
The function will operate when the PKSB OFF indicator is not illuminated
( P.183, 184) and all of the following conditions are met:
●Hybrid system output restriction con-trol• The Parking Support Brake is
enabled. • The vehicle speed is approximately 15 km/h (9 mph) or less.
• Vehicles are approaching from the right or left at the rear of the vehicle at a traveling speed of approximately 8
km/h (5 mph) or more. • The shift lever is in R.• The Parking Support Brake deter-
mines that a stronger than normal brake operation is necessary to avoid a collision with an approaching vehi-
cle.
●Brake control
• Hybrid system output restriction con- trol is operating• The Parking Support Brake deter-
mines that an emergency brake oper- ation is necessary to avoid a collision with an approaching vehicle.
■The Parking Support Brake func-
tion (rear-crossing vehicles) will stop operating when
The function will stop operating if any of
the following conditions are met:
●Hybrid system output restriction con-
trol • The Parking Support Brake is dis-
Parking Support Brake
function (rear-crossing
vehicles)*
If a rear radar sensor detects a
vehicle approaching from the
right or left at the rear of the
vehicle and the system deter-
mines that the possibility of a
collision is high, this function
will perform brake control to
reduce the likelihood of an
impact with the approaching
vehicle.
Examples of function opera-
tion
Types of sensors
WARNING
■To ensure the system can oper-
ate properly
 P.388