sensor MAZDA MODEL CX-30 2021 Repair Manual

The vehicle speed is between
about 2 to 8 km/h (2 to 4 mph).
The SBS-R is not turned off.The DSC is not malfunctioning.In the following cases, the rear
ultrasonic sensor and rear camera
cannot detect obstructions and the
SBS-R may not operate.
The height of the obstruction is
low such as low walls or trucks
with low loading platforms.
The height of the obstruction is
high such as trucks with high
loading platforms.
The obstruction is small.The obstruction is thin such as a
signpost.
The surface of the obstruction is
not pointed vertically relative to
the vehicle.
The obstruction is soft such as a
hanging curtain or snow stuck to a
vehicle.
The obstruction is shaped
irregularly.
The obstruction is extremely close.In the following cases, the rear
ultrasonic sensor and rear camera
cannot detect obstructions correctly
and the SBS-R may not operate.
Something is stuck on the bumper
near a rear ultrasonic sensor.
The brake or accelerator pedal is
operated.
There is another obstruction near
one obstruction.
During inclement weather such as
rain, fog and snow.
High or low humidity.High or low temperaturesStrong winds.The path of travel is not
flat.Heavy luggage is loaded in the
luggage compartment or on the
rear seat.
Objects such as a wireless antenna,
fog light, or illuminated license
plate is installed near a rear
ultrasonic sensor.
The orientation of a rear ultrasonic
sensor has deviated for reasons
such as a collision.
The vehicle is affected by other
sound waves such as the horn,
engine noise, ultrasonic sensor of
another vehicle.
In the following cases, a rear
ultrasonic sensor and rear camera
may detect something as a target
obstruction which could cause the
SBS-R system to operate.
There is a steep slope or bump.There are wheel blocks or a
curbstone.
There are hanging curtains, gate
poles such as at toll gates and
railroad crossing.
When traveling near objects such
as foliage, barriers, vehicles, walls,
and fences along a road.
When driving off-road in areas
where there is grass and forage.
When passing through low gates,
narrow gates, car washing
machines, and tunnels.
A trailer is connected.An exterior accessory such as a
bicycle carrier is installed around a
rear ultrasonic sensor.
(Manual transmission)
If the vehicle is stopped by the SBS-R
operation and the clutch pedal is not
depressed, the engine stops.
When the system operates, the user
is notified by the multi-information
display.
The collision warning beep sounds
intermittently while the SBS-R brake
is operating.
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If cracks or damage caused by flying
gravel or debris is visible around a
rear radar and rear camera, stop
using the SBS-RC system
immediately and have your vehicle
inspected by an Authorized Mazda
Dealer. If the vehicle continues to be
driven with cracks or scratch marks
left around an ultrasonic sensor, the
system may operate unnecessarily
and cause an unexpected accident.
Refer to Stopping the Smart Brake
Support [Rear Crossing] (SBS-RC)
System Operation on page 4-164.
 Consult an Authorized Mazda Dealer
for rear bumper removal.
Do not modify the suspension:
If the vehicle height or inclination is
changed, the SBS-RC system may not
operate correctly because it cannot
detect obstructions correctly.
Do not apply a strong force to a rear
radar and rear camera:
When washing the vehicle, do not
spray highly pressurized water against a
rear radar and rear camera, or rub it
strongly. In addition, do not hit the rear
bumper forcefully when loading and
unloading cargo. Otherwise, the
sensors may not detect obstructions
correctly which could cause the
SBS-RC system to not operate
normally, or it could operate
unnecessarily.NOTE
The SBS-RC system will operate
under the following conditions.
The engine is running for 3 seconds
or more.
The shift lever (manual
transmission vehicle) or the
selector lever (automatic
transmission vehicle) is in the R
(reverse) position.
i-ACTIVSENSE warning indication/
warning light is not displayed in the
multi-information display.
The vehicle speed is under about
10 km/h (6 mph).
The vehicle speed of an
approaching vehicle is about 3
km/h (2 mph) or faster.
The SBS-R is not turned off.The DSC is not malfunctioning.In the following cases, the
i-ACTIVSENSE warning indication/
warning light turns on and operation
of the system is stopped. If the
i-ACTIVSENSE warning indication/
warning light remains illuminated,
have the vehicle inspected at an
Authorized Mazda Dealer as soon as
possible.
Some problem with the system
including the SBS-RC system.
A large deviation in the installation
position of a rear side radar sensor
on the vehicle has occurred.
There is a large accumulation of
snow or ice on the rear bumper
near a rear side radar sensor.
Driving on snow-covered roads for
long periods.
The temperature near the radar
sensors becomes extremely hot
due to driving for long periods on
slopes during the summer.
The battery voltage has decreased.
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Under the following conditions, the
rear side radar sensor cannot detect
target objects or it may be difficult to
detect them.
The rear side radar sensor
detection area is obstructed by a
nearby wall or parked vehicle.
(Reverse the vehicle to a position
where the radar sensor detection
area is no longer obstructed.)
1. Your vehicle
A vehicle is approaching directly
from the rear of your vehicle.
1. Your vehicle
The vehicle is parked on a slant.
1. Your vehicle
A vehicle is approaching from the
opposite direction on a steep
gradient.
1. Your vehicle
Directly after the SBS-RC system
becomes operable using the
personalization feature.
Radio wave interference from a
radar sensor equipped on a nearby
parked vehicle.
Turn off the SBS-RC system while
pulling a trailer or while an accessory
such as a bicycle carrier is installed to
the rear of the vehicle. Otherwise,
the radio waves emitted by the radar
will be blocked causing the system to
not operate normally.
In the following cases, a rear radar
and rear camera may detect
something as a target obstruction
which could cause the SBS-RC
system to operate.
There are hanging curtains, gate
poles such as at toll gates and
railroad crossing.
When traveling near objects such
as foliage, barriers, vehicles, walls,
and fences along a road.
When driving off-road in areas
where there is grass and forage.
When passing through low gates,
narrow gates, car washing
machines, and tunnels.
A trailer is connected.When a rear-mounted bike rack
(towbar bike carrier) is installed.
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360° View Monitor*
▼360° View Monitor
The 360°View Monitor consists of the
following functions which assist the
driver in checking the area surrounding
the vehicle using various indications in
the center display and a warning sound
while the vehicle is being driven at low
speeds or while parking.
To p v i e w
The top view displays an image of
the vehicle from directly above on
the center display by combining the
images taken from the 4 cameras set
on all sides of the vehicle. The top
view displays on the right side of the
screen when the front view or rear
view screen is being displayed. The
top view assists the driver in
checking the area surrounding the
vehicle when the vehicle is moving
forward or in reverse.
Front view/front wide view
The image from the front of the
vehicle is displayed on the center
display.
The view from the front assists the
driver in checking the front of the
vehicle by displaying guide lines on
the displayed image taken from the
front of the vehicle.
Side view
The images taken from the front left
and right sides of the vehicle are
displayed on the center display.
The side view assists the driver in
checking the front sides of the
vehicle by displaying guide lines on
the displayed image taken from the
front left and right sides of the
vehicle.
Rear view/rear wide view
The image from the rear of the
vehicle is displayed on the center
display.
The image from the rear assists the
driver in checking the rear of the
vehicle by displaying guide lines on
the displayed image taken from the
rear of the vehicle.
Parking sensor
If there are any obstructions near the
vehicle while the top view/side view
is displayed, an obstruction
detection indication turns on around
the bumper in the center display.
The parking sensors use ultrasonic
sensors to detect obstructions
around the vehicle when the vehicle
is driven at low speeds, such as
during garage or parallel parking,
and notifies the driver of the
approximate distance from the
vehicle to the surrounding
obstruction using sound and an
obstruction detection indication.
Refer to Parking Sensor System on
page 4-232.
Front Cross Traffic Alert (FCTA)
If there is the possibility of a collision
with an approaching vehicle while
the front view/front wide view/side
view is displayed, a warning is
displayed on the center display.
The Front Cross Traffic Alert (FCTA) is
designed to assist the driver in
checking both sides of the vehicle
when the vehicle starts to drive at an
intersection.
Refer to Front Cross Traffic Alert
(FCTA) on page 4-112.
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Rear Cross Traffic Alert (RCTA)
If there is the possibility of a collision
with an approaching vehicle while
the rear view/rear wide view is
displayed, a warning is displayed on
the center display.
The Rear Cross Traffic Alert (RCTA)
uses rear side radar sensor to detect
vehicles approaching from the rear
left and right sides of the vehicle,
and it assists the driver in checking
the rear of the vehicle while reversing
by flashing the Blind Spot Monitoring
(BSM) warning lights and activating
the warning sound.
Refer to Rear Cross Traffic Alert
(RCTA) on page 4-115.
360°View Monitor Range
1. Cameras
2. Ultrasonic sensors
3. Front/Rear side radar sensors
WARNING
Always confirm the safety of the area
around the vehicle with the mirrors
and directly with your eyes when
driving:
The 360°View Monitor is an auxiliary
device which assi sts the driver in
checking the safety of the area around
the vehicle.
The shooting range of the cameras and
detection range of the sensors are
limited. For example, the areas in black
at the front and rear of the vehicle
image and the seams where each of
the camera images merge are blind
spots where an obstruction may not be
visible. In addition, the extended
vehicle width lines and projected
vehicle path lines are only to be used
as references, and the images on the
screen may differ from the actual
conditions.
CAUTION
 Do not use the 360°View Monitor
under any of the following
conditions.
 Icy or snow-covered roads.
 Tire chains or a temporary spare
tire is installed.
 The front or rear doors are not fully
closed.
 The vehicle is on a road incline.
 The door mirrors are retracted.
 Do not hit the front/rear camera,
front bumper, liftgate, and door
mirrors forcefully. The camera
position or installation angle may
shift.
 The cameras are waterproof. Do not
disassemble, modify, or remove a
camera.
 The camera cover is made of hard
plastic, therefore do not apply oil
film remover, organic solvents, wax,
or coating agents. If any such agent
gets on the camera cover, wipe it off
using a soft cloth immediately.
 Do not rub the camera lens
forcefully, or clean it with an abrasive
or hard brush. Otherwise, it could
scratch the camera lens and
negatively affect the images.
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NOTE
When the shift lever/selector lever is in R position, the displayed screen does not
switch to the top view/front view, top view/front wide view, or the side view.
Display of the top view/front view, top view/front wide view, or the side view
stops even with the display conditions met if any of the following conditions
occurs.
When a switch around the commander knob is pressed.(Manual transmission)
The parking brake is applied.
(Automatic transmission)
The selector lever is shifted to P position (displayed when the selector lever is in
a position other than P).
(Displayed when vehicle speed is less than 15 km/h (9.3 mph))
4 minutes and 30 seconds have passed.The vehicle speed is about 15 km/h (9.3 mph) or faster.(Displayed when the vehicle speed is about 15 km/h (9.3 mph) or faster)
The vehicle speed is about 15 km/h (9.3 mph) or faster after 8 seconds have
passed since pressing the 360°View Monitor switch.
4 minutes and 22 seconds have passed from the point when the vehicle speed
was less than 15 km/h (9.3 mph) afte r 8 seconds have passed since pressing
the 360°View Monitor switch.
The 360°View Monitor settings can be changed as follows.
Refer to the Settings section in the Mazda Connect Owner's Manual.
Automatic display of the 360°View Monitor when the ultrasonic sensor detects
an obstruction.
Automatic display of the 360°View Monitor when the ignition is switched ON.Screen priority level when the system launches.
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Screen operation/icon
WARNING
Always stop the vehicle when adjusting the 360°View Monitor image quality.
Do not adjust the 360°View Monitor image quality while driving. If you adjust the
360°View Monitor image quality (such as brightness, contrast, tone, and color
density) while driving, it could lead to an unexpected accident.
Display/Icon Content
(1) View status icon Indicates which image is displayed among the front
view/front wide view/side view/rear view/rear wide
view.
(2) Parking sensor status icon Indicates that the parking sensor has a problem or it is
switched off.
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Viewing the screen

Display/IconContent
(1) Tire icon Indicates the tire direction. Moves in conjunction with
the steering wheel operation.
(2) Projected vehicle path lines (yellow & red) Indicates the approximate projected path of the vehicle.
Moves in conjunction with the steering wheel operation.
a) Indicates the path where the edge of the front bumper
is expected to travel.
b) Indicates the path where the inner side of the vehicle
is expected to travel.
(3) Extended vehicle width lines (blue) Indicates the approximate width of the vehicle.
(4) Projected vehicle path distance guide lines (yellow & red) Indicates the distance (from front end of bumper) in
front of the vehicle.
The red line indicates the point about 0.5 m (19 in)
from the front end of the bumper.
The yellow lines indicate the points about 1.0 m (39
in) and 2.0 m (78 in) from the front end of the bump-
er.
CAUTION
The parking sensor detection range has limitations. For example, obstructions
closing in from the side and objects shor
t in height may not be detected. Always
confirm the safety around the vehicle visually when driving.
For details, refer to the parking sensor obstruction detection indication and warning
sound.
Refer to Parking Sensor System on page 4-232.
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How to use the projected vehicle path line function
1. (Screen display)
2. (Actual condition)

Make sure that there are no obstructions within the projected vehicle path lines.
Turn the steering wheel so that the projected vehicle path lines travel inside of the
obstruction (A), and drive the vehicle forward until it passes the obstruction.
If the projected vehicle path lines are on an obstruction (B) or outside of the
obstruction (C), the vehicle may contact the obstruction when turning the vehicle
sharply.
CAUTION
 The parking sensor detection range has limitations. For example, obstructions
closing in from the side and objects short in height may not be detected. Always
confirm the safety around the vehicle visually when driving.
For details, refer to the parking sens or obstruction detection indication and
warning sound.
Refer to Parking Sensor System on page 4-232.
 Do not turn the steering wheel any mo re until the vehicle has passed the
obstruction, even if the obstruction is no t visible on the side view image. If the
steering wheel is turned even more, the ve hicle may contact the obstruction if it is
turned sharply.
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How to use the projected vehicle path line function
CAUTION
The front of the vehicle swings out wide when turning the steering wheel while
reversing. Maintain sufficient distance between the vehicle and an obstruction.
 The parking sensor detection range has limitations. For example, obstructions
closing in from the side and objects short in height may not be detected. Always
confirm the safety around the vehicle visually when driving.
For details, refer to the parking sensor obstruction detection indication and
warning sound.
Refer to Parking Sensor System on page 4-232.
NOTE
Because there might be a
difference between the image displayed on the screen,
such as indicated in the following , and the actual conditions when parking, always
check the safety at the rear of the vehicle and the surrounding area directly with
your eyes.
Even though the back end of the parking space (or garage) displayed on the
screen and distance guide lines appear parallel, they may not actually be
parallel.
When parking in a space with a division line on only one side of the parking
space, even though the division line and the vehicle width guide line appear
parallel, they may not actually be parallel.
The following shows an example of vehicle parking with the steering wheel turned
to the left while backing up the vehicle. When backing into a parking space from
the opposite direction, the steering operation is reversed.
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