check engine MAZDA MODEL CX-5 2021 Owner's Manual

Chart symbols:
I: Inspect: Inspect and clean, repair, ad just, fill up, or replace if necessary.
R: Replace
L: Lubricate
C: Clean
T: Tighten
D: Drain
Remarks:
*1 If the vehicle is operated in very dusty or sandy areas, clean and if necessary, replace the air filter more often
than the recommended intervals.
*2 Top up with new diesel exhaust fluid in the urea tank once a year.*3 Check the total driving mileage for the last three years. If 19,200 km (12,000 miles) or more, top up with new diesel exhaust fluid in the urea tank.
If less than 19,200 km (12,000 miles), repl ace diesel exhaust fluid in the urea tank.
*4 Replace when glow indicator light is continuously ON. Authorized Mazda dealer can replace all the glow
plugs without charge if indicator light comes ON earlier than 240,000 km (150,000 miles).
*5 Engine oil flexible maintenance is available for U.S.A. and Puerto Rico residents whose vehicle is operated
mainly where none of the following conditions apply.
Extended periods of idling or low-speed operation such as police car, taxi or driving school carDriving in dusty conditions
If any do apply, follow fixed maintenance.
The engine oil and filter must be ch anged at least once a year or within 12,000 km (7,500 miles) since last
engine oil and filter change. Reset the engine oil data whenever repl acing the engine oil regardless of the
message/wrench indicator light display.
*6 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may
cause serious damage to the engine and cooling system.
*7 According to state/provincial and fede ral regulations, failure to perform maintenance on these items will not
void your emissions warranties. However, Mazda recomme nds that all maintenance services be performed at
the recommended time or mileage/kilometer period to ensure long-term reliability.
*8 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with new one before the expiration date.

Maintenance and Care
Scheduled Maintenance
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Maintenance IntervalNumber of months or kilometers (miles), whichever comes first.
Months 6 1218243036424854606672
×1000 km 8 1624324048566472808896
×1000 miles 5 10 15 20 25 30 35 40 45 50 55 60
Exhaust system and heat shields Inspect every 72,000 km (45,000 miles) or 5 years.
All locks and hinges LLLLLLLLLLLL
Washer fluid level IIIIIIIIIIII
Emergency flat tire repair kit (if equipped)
*7Inspect annually.
Cabin air filter Replace every 40,000 km (25,000 miles) or 2 years.
Chart symbols:
I: Inspect: Inspect and clean, repair, ad just, fill up, or replace if necessary.
R: Replace
L: Lubricate
C: Clean
T: Tighten
D: Drain
Remarks:
*1 Top up with new diesel exhaust fluid in the urea tank once a year.*2 Check the total driving mileage for the last three years. If 19,200 km (12,000 miles) or more, top up with new diesel exhaust fluid in the urea tank.
If less than 19,200 km (12,000 miles), repl ace diesel exhaust fluid in the urea tank.
*3 Replace when glow indicator light is continuously ON. Authorized Mazda dealer can replace all the glow
plugs without charge if indicator light comes ON earlier than 240,000 km (150,000 miles).
*4 Reset the engine oil data whenever replacing the engi ne oil regardless of the message/wrench indicator light
display.
*5 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may
cause serious damage to the engine and cooling system.
*6 According to state/provincial and fede ral regulations, failure to perform maintenance on these items will not
void your emissions warranties. However, Mazda recomme nds that all maintenance services be performed at
the recommended time or mileage/kilometer period to ensure long-term reliability.
*7 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with new one before the expiration date.
Maintenance and Care
Scheduled Maintenance
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Maintenance IntervalNumber of months or kilometers, whichever comes first
Months 6 1218243036424854606672
×1000 km 10 20 30 40 50 60 70 80 90 100 110 120
Disc brakes IIIIIIIIIIII
Tire (Rotation) Rotate every 10,000 km
Tire inflation pressure and tire wear IIIIIIIIIIII
Steering operation and linkages I I I I I I I I I I I I
Front and rear suspension, ball joints and wheel
bearing axial play IIIIII
Driveshaft dust boots IIIIII
Bolts and nuts on chassis and body TTTTTT
Exhaust system and heat shields IIIIII
All locks and hinges LLLLLLLLLLLL
Washer fluid level IIIIIIIIIIII
Emergency flat tire repair kit (if equipped)
*4Inspect annually.
Cabin air filter R R R
Chart symbols:
I: Inspect: Inspect and clean, repair, ad just, fill up, or replace if necessary.
R: Replace
L: Lubricate
C: Clean
T: Tighten
D: Drain
Remarks:
*1 Reset the engine oil data whenever replacing the engi ne oil regardless of the message/wrench indicator light
display.
*2 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may
cause serious damage to the engine and cooling system.
*3 According to state/provincial and fede ral regulations, failure to perform maintenance on these items will not
void your emissions warranties. However, Mazda recomme nds that all maintenance services be performed at
the recommended time or kilometer period to ensure long-term reliability.
*4 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with new one before the expiration date.
▼ Schedule 2
Maintenance Interval Number of months or kilometers, whichever comes first
Months 3 6 9 121518212427303336
×1000 km 5 1015202530354045505560
Drive belts I
Engine oil & filter
*1RRRRRRRRRRRR
Cooling system I
Maintenance and Care
Scheduled Maintenance
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Remarks:
*1 Reset the engine oil data whenever replacing the engine oil regardless of the message/wrench indicator light
display.
*2 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may
cause serious damage to the engine and cooling system.
*3 According to state/provincial and fede ral regulations, failure to perform maintenance on these items will not
void your emissions warranties. However, Mazda recomme nds that all maintenance services be performed at
the recommended time or kilometer period to ensure long-term reliability.
*4 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with new one before the expiration date.

(Cont.)
Maintenance Interval Number of months or kilometers, whichever comes first
Months 39 42 45 48 51 54 57 60 63 66 69 72
×1000 km 65 70 75 80 85 90 95 100 105 110 115 120
Drive belts II
Engine oil & filter
*1RRRRRRRRRRRR
Cooling system I I
Engine coolant
*2Replace at first 200,000 km or 10 years; after that, every 100,000 km or 5 years
Engine coolant level IIIIIIIIIIII
Air filter CRCRCR
Fuel lines and hoses I
*3I
Hoses and tubes for emission I
*3I
Fuel filter Replace every 60,000 km
Spark plugs SKYACTIV-G
2.5T
IIIIII
Replace every 64,000 km
Except SKY ‐
ACTIV-G
2.5T IIIIII
Replace every 120,000 km
Function of all lights IIIIIIIIIIII
Brake lines, hoses and connections II I
Brake and clutch fluid level II I I
Brake fluid RR
Disc brakes IIIIII
Tire (Rotation) Rotate every 10,000 km
Tire inflation pressure and tire wear IIIIII
Steering operation and linkages IIIIII
Front and rear suspension, ball joints and wheel
bearing axial play III
Driveshaft dust boots II I
Maintenance and Care
Scheduled Maintenance
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Maintenance IntervalNumber of months or kilometers, whichever comes first
Months 39 42 45 48 51 54 57 60 63 66 69 72
×1000 km 65 70 75 80 85 90 95 100 105 110 115 120
Bolts and nuts on chassis and body TT T
Exhaust system and heat shields III
All locks and hinges LLLLLL
Washer fluid level IIIIII
Emergency flat tire repair kit (if equipped)
*4Inspect annually.
Cabin air filter R R R
Chart symbols:
I: Inspect: Inspect and clean, repair, adju st, fill up, or replace if necessary.
R: Replace
L: Lubricate
C: Clean
T: Tighten
D: Drain
Remarks:
*1 Reset the engine oil data whenever replacing the engine oil regardless of the message/wrench indicator light display.
*2 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 maycause serious damage to the engine and cooling system.
*3 According to state/provincial and federal regulations , failure to perform maintenance on these items will not
void your emissions warranties. However, Mazda recomme nds that all maintenance services be performed at
the recommended time or kilometer period to ensure long-term reliability.
*4 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with new one before the expiration date.
Maintenance and Care
Scheduled Maintenance
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WARNING
Do not perform maintenance work if you lack sufficient knowledge and experience or the
proper tools and equipment to do the work. Have maintenance work done by a qualified
technician:
Performing maintenance work on a vehicle is dangerous if not done properly. You can be
seriously injured while performing some maintenance procedures.
If you must run the engine while working under the hood, make certain that you remove all
jewelry (especially rings, bracelets, watches, and necklaces) and all neckties, scarves, and
similar loose clothing before getting near the engine or cooling fan which may turn on
unexpectedly:
Working under the hood with the engine running is dangerous. It becomes even more
dangerous when you wear jewelry, loose clothing or have long hair or a long beard.
Either can become entangled in moving parts and result in injury.
Pull over to a safe location, then switch the ignition off and make sure the fan is not
running before attempting to work near the cooling fan:
Working near the cooling fan when it is running is dangerous. The fan could continue running
indefinitely even if the engine has stopped and the engine compartment temperature is high.
You could be hit by the fan and seriously injured.
Do not leave items in the engine compartment:
After you have finished checking or doing servicing in the engine compartment, do not forget
and leave items such as tools or rags in the engine compartment.
Tools or other items left in the engine compartment could cause engine damage or a fire
leading to an unexpected accident.
Maintenance and Care
Owner Maintenance
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Overheating
If the temperature gauge indicates
overheating or the high engine coolant
temperature warning light turns on, the
vehicle loses power, or you hear a loud
knocking or pinging noise, the engine is
probably too hot.
WA R N I N G
Pull over to a safe location, then switch
the ignition off and make sure the fan is
not running before attempting to work
near the cooling fan:
Working near the cooling fan when it is
running is dangerous. The fan could
continue running indefinitely even if the
engine has stopped and the engine
compartment temperature is high. You
could be hit by the fan and seriously
injured.
Do not remove either cooling
system cap when the engine and radiator
are hot:
When the engine and radiator are hot,
scalding coolant and steam may shoot out
under pressure and cause serious injury.
Open the hood ONLY after steam is no
longer escaping from the engine:
Steam from an overheated engine is
dangerous. The escaping steam could
seriously burn you.
If the temperature gauge indicates
overheating or the high engine coolant
temperature warning light turns on:

1. Drive safely to the side of the road and
park off the right-of-way.
2. Shift into park (P).
3. Apply the parking brake.
4. Turn off the air conditioner.
5. Check whether coolant or steam is escaping from the engine
compartment.

If steam is coming from the engine
compartment:
Do not go near the front of the vehicle.
Stop the engine.
Wait until the steam dissipates, then
open the hood and start the engine.

If neither coolant nor steam is
escaping:
Open the hood and idle the engine
until it cools.
CAUTION
If the cooling fan does not operate
while the engine is running, the engine
temperature will increase. Stop the
engine and call an Authorized Mazda
Dealer.
6. Make sure the cooling fan is operating, then turn off the engine after the
temperature has decreased.
7. When cool, check the coolant level.
If Trouble Arises
Overheating
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SignalWarning
Charging System Warn‐
ing Indication/Warning Light If the warning light illuminates while drivin
g, it indicates a malfunction of the alter‐
nator or of the charging system.
Drive to the side of the road and park off the right-of-way. Consult an Authorized
Mazda Dealer.
CAUTION
Do not continue driving when the charging system warning light is illuminated be‐
cause the engine could stop unexpectedly.
Engine Oil Warning Light This warning light indicates
low engine oil pressure.
CAUTION
Do not run the engine if the oil pressure is low. Otherwise, it could result in extensive
engine damage.
If the light illuminates or the warni ng indication is displayed while driving:
1. Drive to the side of the road and park off the right-of-way on level ground.
2. Turn off the engine and wait 5 minutes for the oil to drain ba ck into the oil pan.
3. Inspect the engine oil level (page 6-24). If it's low, add the appropriate amount of
engine oil while being careful not to overfill.
CAUTION
Do not run the engine if the oil level is low. Otherwise, it could result in extensive
engine damage.
4. Start the engine and check the warning light.

If the light remains illuminated even though the oil level is normal or after adding oil,
stop the engine immediately and have your vehicle towed to an Authorized Mazda
Dealer.
(Red)
High Engine Coolant
Temperature Warning Indication/Warning Light The light flashes when the en
gine coolant temperature is extremely high, and illumi‐
nates when the engine coolant temperature increases further.
Handling Procedure
Flashing light
Drive slowly to reduce engine load until you can find a safe place to stop the vehicle
and wait for the engine to cool down.
Illuminated light
This indicates the possibility of overheating. Park the vehicle in a safe place immedi ‐
ately and stop the engine.
Refer to Overheating on page 7-18.
CAUTION
Do not drive the vehicle with the high engi ne coolant temperature warning light illumi‐
nated. Otherwise, it could resu lt in damage to the engine.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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SignalWarning
(Red)
Brake Pedal Opera ‐
tion Demand Warn ‐
ing Light
*
When only flashing
Flashes if there is the possibility of the vehi cle not being held in the stopped position by
the AUTOHOLD function, such as on steep slopes. Depress and hold your foot on the
brake pedal.
When flashing and beep sound is activated at the same time
The warning light flashes and the beep sound is activated for about 5 seconds if there is a
problem with the system. If the warning light flashes and the warning sound is activated,
immediately depress the brake pedal and st op using the AUTOHOLD function then con ‐
tact an Authorized Mazda Dealer.
WARNING
Immediately depress the brake pedal if the warning light flashes and the beep sound is acti‐
vated while using the AUTOHOLD function:
Because the AUTOHOLD function is canceled forcibly, the vehicle may move unexpectedly
and result in an accident.
Check Engine Light If this light illuminates while driving, the ve
hicle may have a problem. It is important to
note the driving conditions wh en the light illuminated and consult an Authorized Mazda
Dealer.
The check engine light may illu minate in the following cases:
The engine's electrical system has a problem.The emission control system has a problem.(Except SKYACTIV-D 2.2)
The fuel tank level being very low or approaching empty.The fuel-filler cap is missing or not tightened securely.
If the check engine light remains on, or it flashes continuously , do not drive at high
speeds and consult an Authorized M azda Dealer as soon as possible.
WARNING
If the check engine light turns on, do not disconnect the battery cables.
If the battery cables are disconnected and th en reconnected, the engine could be damaged
and catch on fire.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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SignalWarning
(Flashing)
Tire Pressure Moni ‐
toring System
Warning Light
*
If the tire pressure monitoring system has a malfunction, the tire pressure warning light
flashes. Have your vehicle checked by an Au thorized Mazda Dealer as soon as possible.
WA R N I N G
If the tire pressure monitoring system warning light illuminates or
flashes, or the tire pres‐
sure warning beep sound is heard, decrease vehicle speed immediately and avoid sudden
maneuvering and braking:
If the tire pressure monitoring system warning light illuminates or flashes, or the tire pres‐
sure warning beep sound is heard, it is dangerous to drive the vehicle at high speeds, or
perform sudden maneuvering or braking. Vehicle drivability could worsen and result in an
accident.
To determine if you have a slow leak or a flat, pull over to a safe position where you can
check the visual condition of the tire and determine if you have enough air to proceed to a
place where air may be added and the system monitored again by an Authorized Mazda
Dealer or a tire repair station.
Do not ignore the TPMS Warning Light:
Ignoring the TPMS warning light is dangerous, even if you know why it is illuminated. Have
the problem taken care of as soon as possible before it develops into a more serious situa‐
tion that could lead to tire failure and a dangerous accident.
(Amber)
KEY Warning Indi ‐
cation
*
“Keyless System Malfunction” is displayed
This message is displayed if the advanced keyless entry & push button start system has a
problem.
Contact an Authori zed Mazda Dealer.
CAUTION
If the message is indicated, or the pu sh button start indicator light (amber)
flashes, the en‐
gine may not start. If the engine cannot be st arted, try starting it using the emergency oper‐
ation for starting the engine, and have the vehicle inspected at an Authorized Mazda Deal‐
er as soon as possible.
Refer to Emergency Operation for Starting the Engine on page 4-9.
“Ignition is On” is displayed
This message is displayed when the driver's door is opened without switching the ignition
off.
“Key Not Detected” is displayed
This message is displayed when any of the fo llowing operations is performed with the key
out of the operational range or placed in areas inside the cabin where it is difficult for the
key to be detected.
The push button start is pressed with the ignition switched offThe ignition is switched onAll doors are closed withou t switching the ignition off
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-31
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