2023 MAZDA CX30 check engine

▼Check Fuel Cap Warning
Indication/Warning Light
If the check fuel cap warning light
illuminates while driving, the
fuel-filler
cap may not be installed properly.
Action to be taken
Stop the engine and reinstall the
fuel-filler cap.
Refer to Refueling on page 3-33.
▼ Engine Oil Level Warning
Indication/Warning Light
This warning light indicates that the
engine oil level is around the MIN
mark (page 6-17).
CAUTION
Do not continue to drive the vehicle
with the engine oil level warning
indication/warning light displayed/
turned on. If the vehicle continues to
be driven with an
insufficient amount
of engine oil, it could cause damage to
the engine.
Action to be taken
Add 1 L (0.26 US gal, 0.22 Imp gal) of
engine oil (page 6-16).
▼ Seat Belt Warning Indication/
Warning Light (Front seat)
The seat belt warning light turns on if
the driver or front passenger's seat is
occupied and the seat belt is not
fastened with the ignition switched
ON.
If the driver or front passenger's seat
belt is unfastened (only when the front
passenger's seat is occupied) and if the
vehicle is driven at about 20 km/h (12
mph) or faster, or about 10 km/h (6
mph) or faster for a continuous 30
seconds, with the seat belt unfastened,
the warning light flashes for a certain
period. After a short time, the warning
light stops
flashing, but remains
illuminated.
NOTE
The warning light flashes for about 6
seconds if the driver or front
passenger's seat is not fastened
when the ignition is switched ON.
(Except Mexico)
Placing heavy items on the front
passenger's seat may cause the front
passenger's seat belt warning
function to operate depending on
the weight of the item.
To allow the front passenger
occupant classification sensor to
function properly, do not place and
sit on an additional seat cushion on
the front passenger's seat. The
sensor may not function properly
because the additional seat cushion
could cause sensor interference.
If a small child is seated on the front
passenger's seat, the warning light
may not operate.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Display*1*2*3ContentAction to be taken
Mazda Radar Cruise
Control Canceled. Drive
Safely This message is indicated when the
Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function), and the Traffic Jam
Assist (TJA) have been canceled other
than by the driver.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Distance & Speed Alert
Operation Canceled
Drive Safely This message is indicated when the
Distance & Speed Alert (DSA) have
been canceled other than by the driv-
er.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Cruise Control Opera-
tion Canceled. Drive
Safely This message is indicated when the
Cruise Control have been canceled
other than by the driver.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Emergency Braking Acti-
vated. Depress Brake
Pedal to Hold Stop This message is indicated after the
Smart Brake Support (SBS) brakes op-
erate and when the Smart Brake Sup-
port (SBS) is canceled.
Depress the brake pedal.
Touch Key Fob to Push
Button Start Switch This message is indicated when the
key battery is weak (battery dead or
damaged key). Touch the key against push button
start to start the engine.
Refer to Engine Start Function When
Key Battery is Dead on page 4-8.
Depress Brake Pedal to
Start Vehicle This message is indicated when the
push button start is pressed without
depressing the brake pedal. When starting the engine, press the
push button start with the brake ped-
al depressed.
Check Gear Selector
Lever Position This message is indicated when the
selector lever is shifted to the P or R
position while driving.
Check the selector lever position.
Close Door and Fasten
Seat Belt This message is indicated when AU-
TOHOLD is about to operate and a
door is opened or a seat belt is unfas-
tened. When the AUTOHOLD is turned on,
close the doors and fasten seat belts.
Wiper Blades Must Be
on Windshield Before
Operating This message is indicated when the
ignition is switched ON with the wip-
er arms at the service positions.
Return the wiper arms to the initial
positions.
Windshield Wiper Range
of Motion Reduced. Re-
move Obstruction(s) This message is indicated when there
is snow or dirt accumulation on the
windshield and the wiper operation
range is narrowed.
Remove foreign matter from the
windshield.
Vehicle Not Switched
Off This message is indicated when the
driver’s door is opened without
switching the ignition OFF.
Switch the ignition OFF before leaving
the vehicle.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Power Liftgate Warning Beep*
If system operation precautions are
necessary, the driver is notified by the
warning sound.
Warning beep What to check
The beep sounds 3
times The conditions re-
quired for the power
liftgate to operate have
not been met, such as
an object being stuck
in the liftgate.
The beep sound con-
tinues The vehicle is being
driven with the liftgate
open. Stop the vehicle
and close the liftgate.
▼
Low Fuel Warning Beep
When the low fuel warning light
flashes, a warning beep is activated
once at the same time.
▼
Brake System Warning Beep (With
M Hybrid)
A warning beep is activated if a
problem with the brake system occurs
and the brakes may not work as
intended. Decelerate the vehicle while
checking the safety of the surrounding
area, and park the vehicle in a safe
place. After stopping the vehicle,
contact an Authorized Mazda Dealer.
▼Brake Override Warning Beep
A warning beep is activated when the
accelerator pedal and brake pedal are
depressed at the same time while
driving. Only depress the brake pedal.
▼Shift Position Warning Beep
A sound is activated when the push
button start is pressed while the
selector lever is in a position other
than P, and the ignition is switched to
ACC. Check the selector lever
position.
▼
Selector Lever Not In P or N
Reminder Warning Beep (With M
Hybrid)
A warning beep is activated
continuously if the driver's door is
opened with the selector lever in a
position other than the P or N position
when the engine is running. Shift the
selector lever to the P or N position, or
close the driver's door.
▼
i-stop Warning Beep*
If the driver's door is opened while
engine idling is stopped, the warning
sound operates to notify the driver
that engine idling is stopped. It stops
when the driver's door is closed.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-41
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▼Electric Parking Brake (EPB)
Warning Beep
The warning buzzer is activated under
the following conditions:
The vehicle is driven with the parking
brake applied.
The Electric Parking Brake (EPB)
switch is pulled while the vehicle is
driven.
You attempt to start driving the
vehicle while the conditions for
releasing the Electric Parking Brake
(EPB) automatically have not been
met.
▼AUTOHOLD Warning Beep
Warning light flashes/message is
displayed and beep sound is activated
simultaneously for about 5 seconds
when using AUTOHOLD function or
when AUTOHOLD switch is operated.
Because a problem with AUTOHOLD
function has occurred, AUTOHOLD
function does not operate even if
AUTOHOLD switch is operated.

If the warning light flashes/message is
displayed and the beep sound is
activated simultaneously, have your
vehicle inspected at an Authorized
Mazda Dealer.
▼
Vehicle Problem Warning Beep
If any of the following problems occur,
a warning beep is activated. Check the
information regarding the warning
indication in the instrument cluster or
on the center display.
Automatic transmission problemIncrease in automatic transmission
internal temperature
M Hybrid problemBrake fluid amount decreaseEngine oil level sensor problemElectric Parking Brake (EPB) problem
Engine hydraulic pressure decreaseEngine coolant temperature increaseEngine system problem
▼ Blind Spot Monitoring (BSM)
System Warning Beep*
The Blind Spot Monitoring (BSM)
warning beep operates when the turn
signal lever is operated to the side
where the Blind Spot Monitoring
(BSM) warning light is illuminated.
▼Front Cross Traffic Alert (FCTA)
Warning Beep*
The Front Cross Traffic Alert (FCTA)
warning beep is activated if there is a
possibility of collision with a vehicle
approaching from the front on the left
and right sides of the vehicle.
▼Rear Cross
Tra ffi c Alert (RCTA)
Warning Beep*
The Rear Cross Traffic Alert (RCTA)
warning beep is activated if there is a
possibility of collision with a vehicle
approaching from the rear on the left
and right sides of the vehicle.
▼ Lane Departure Warning Sound*
While the system is operating, if the
system determines that the vehicle may
depart from the lane, it sounds a
warning sound.
NOTE
The volume of the Lane Departure
Warning System (LDWS) warning
sound can be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-42*Some models.
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▼Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function) System
War n in gs
*
The Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) system warnings notify
the driver of system malfunctions and
cautions on use when required.
Check based on the beep sound.
Warning beep type Notification content
The beep sounds 1
time while the Mazda
Radar Cruise Control
with Stop & Go func-
tion (MRCC with Stop
& Go function) is op-
erating. If a malfunction occurs
in the system, make
sure that the Mazda
Radar Cruise Control
with Stop & Go func-
tion (MRCC with Stop
& Go function) has
been canceled.
The beep sounds in-
termittently while the
Mazda Radar Cruise
Control with Stop &
Go function (MRCC
with Stop & Go func-
tion) is operating. The distance between
your vehicle and the
vehicle ahead is too
close. Check the safety
of the surrounding
area and reduce vehi-
cle speed.
▼
Excessive Speed Warning*
If the vehicle speed exceeds the speed
limit sign displayed in the active driving
display/instrument cluster, the area
around the speed limit sign flashes in
amber and the warning sound is
activated at the same time. If the
vehicle speed continues to exceed the
displayed speed limit sign, the
indication stops flashing and remains
on.
▼Collision warning*
If there is a possibility of a collision
with a vehicle ahead, a warning sound
is activated at the same time as the
warning indications are displayed in
the instrument cluster or active driving
display.
▼Door-ajar Warning Beep
A warning beep is activated if the
vehicle is driven with any door or
liftgate ajar. Drive the vehicle after
closing the doors and liftgate.
▼Battery Saving Mode Warning
Sound
A warning sound is activated when the
vehicle goes into Battery Saving Mode.
Refer to Message Indicated on
Multi-information Display on page
7-35.
The warning sound will stop just after
starting the engine.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-43
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Specifications
▼Engine
Item Specification
SKYACTIV-G 2.0 SKYACTIV-G 2.5 SKYACTIV-G 2.5T
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke 83.5 × 91.2 mm (3.29 ×
3.59 in) 89.0 × 100.0 mm (3.50 × 3.94 in)
Displacement 1,997.6 ml (1,997.6 cc) 2,488.5 ml (2,488.5 cc)
Compression
ratio 13.0 10.5
▼
Electrical System
Classification
Specification
Battery
*112V-60Ah/20HR
Spark-plug
number SKYACTIV-G 2.0
Mazda Genuine
spark plug
*2PE5R-18-110-A or
PE5S-18-110
SKYACTIV-G 2.5 With Cylinder De-
activation
Mazda Genuine
spark plug
*2P5SP-18-110
Without Cylinder
Deactivation Mazda Genuine
spark plug
*2PE5R-18-110-A or
PE5S-18-110
SKYACTIV-G 2.5T Mazda Genuine
spark plug
*2PY8V-18-110
*1 Check the battery installed on the vehicle and us
e a battery with an equal or higher performance.
However, the performance of the battery may vary even among the same battery types, consult an
Authorized Mazda Dealer for replacement.
*2 This spark plug provides the SKYACTIV-G engine with optimum performance. Contact an Authorized Mazda Dealer for details.
CAUTION
When cleaning the iridium plugs, do not use a wire brush. The
fine particulate
coating on the iridium alloy and platinum tips could be damaged.
▼ Lubricant Quality
Lubricant
Classification
Engine oil Refer to Recommended Oil on page 6-16.
Coolant FL-22 type
Specifications
Specifications
9-4
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LubricantClassification
Automatic transmission
fluid
*1
With Cylinder Deactiva-
tion Mazda Genuine ATF A7
Without Cylinder Deac-
tivation Mazda Genuine ATF FZ
Tra n s f e r c a s e o i l
*2Mazda Long Life Hypoid Gear Oil SG1
Rear differential oil
*2Mazda Long Life Hypoid Gear Oil SG1
Brake fluid SAE J1703 or FMVSS116 DOT-3
*1 Periodic replacement is unnecessary.*2 Replacement is necessary when the component is submerged in water.
NOTE
Refer to Introduction on (page 6-2) for owner's responsibility in protecting your
investment.
▼ Capacities
(Approximate Quantities)
Item
Capacity
Engine oil SKYAC-
TIV-G 2.0
With oil filter replacement
4.2 L (4.4 US qt, 3.7 Imp qt)
Without oil filter replacement 4.0 L (4.2 US qt, 3.5 Imp qt)
SKYAC-
TIV-G 2.5 With oil filter replacement
4.5 L (4.8 US qt, 4.0 Imp qt)
Without oil filter replacement 4.3 L (4.5 US qt, 3.8 Imp qt)
SKYAC-
TIV-G 2.5T With oil filter replacement
4.8 L (5.1 US qt, 4.2 Imp qt)
Without oil filter replacement 4.6 L (4.9 US qt, 4.0 Imp qt)
Coolant SKYACTIV-G 2.0
6.2 L (6.6 US qt, 5.5 Imp qt)
SKYACTIV-G 2.5 6.3 L (6.7 US qt, 5.5 Imp qt)
SKYAC-
TIV-G 2.5T For engine
8.2 L (8.7 US qt, 7.2 Imp qt)
For water-cooled charge air cooler 1.6 L (1.7 US qt, 1.4 Imp qt)
Automatic
transmission
fluid SKYACTIV-G 2.0, SKYACTIV-G 2.5
7.6 L (8.0 US qt, 6.7 Imp qt)
SKYACTIV-G 2.5T 8.0 L (8.5 US qt, 7.0 Imp qt)
Transfer case oil 0.35 L (0.37 US qt, 0.31 Imp qt)
Rear differential oil 0.35 L (0.37 US qt, 0.31 Imp qt)
Fuel tank FWD
51.0 L (13.5 US gal, 11.2 Imp
gal)
AWD 48.0 L (12.7 US gal, 10.6 Imp
gal)
Check oil and fluid levels with dipsticks or reservoir gauges.
Specifications
Specifications
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