2017 MAZDA MODEL CX-9 check engine light

7–31
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning


Electronic Brake Force
Distribution System
Warning If the electronic brake force distribution control unit determines that some components
are operating incorrectly, the control unit may illuminate the brake system warning
light and the ABS warning light simultaneously. The problem is likely to be the
electronic brake force distribution system. WARNING
Do not drive with both the ABS warning light and brake warning light illuminated.
Have the vehicle towed to an Authorized Mazda Dealer to have the brakes
inspected as soon as possible:
Driving when the brake system warning light and ABS warning light are
illuminated simultaneously is dangerous.
When both lights are illuminated, the rear wheels could lock more quickly in an
emergency stop than under normal circumstances.


Charging System
Warning Indication/
Warning Light If the warning light illuminates while driving, it indicates a malfunction of the
alternator 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
because 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 warning 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 back into the oil pan.
3. Inspect the engine oil level 6-29 . If it's low, add the appropriate amount of engine
oil while being careful not to overfi ll.
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.
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7–33
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.
Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/fl ashes, the system may
have a malfunction. Contact an Authorized Mazda Dealer to have your vehicle inspected.

Signal Warning

ABS Warning Light If the ABS warning light stays on while you're driving, the ABS control unit has detected a
system malfunction. If this occurs, your brakes will function normally as if the vehicle had
no ABS.
Should this happen, consult an Authorized Mazda Dealer as soon as possible.
NOTE
 When the engine is jump-started to charge the battery, uneven rpm occurs and the ABS
warning light may illuminate. If this occurs, it is the result of the weak battery and does not
indicate an ABS malfunction.
Recharge the battery.

 The brake assist system does not operate while the ABS warning light is illuminated.

Master Warning
Indication/Warning
Light
Type A instrument cluster
Displays when notifi cation of the system malfunctions is required.
Check the message indicated in the display and consult an Authorized Mazda Dealer.

Master
warning
light

Indication in display and master warning light in instrument cluster are illuminated at same
time.
This indicates a malfunction with the vehicle system. Check the message indicated in the
display and consult an Authorized Mazda Dealer.
For details, refer to the explanations for the warning/indicator lights, in the warning/
indicator lights section, which match the symbol in the upper part of the display.
If a message is not indicated in the display, operate the INFO switch to display the
“Warning” screen.
Refer to Message Indicated in Multi-information Display and INFO Switch on page 4-21 .
Type B instrument cluster
The light illuminates continuously if any one of the following occurs. Consult an
Authorized Mazda Dealer.
 There is a malfunction in the battery management system.
 There is a malfunction in the brake switch.

Electric Parking
Brake (EPB)
Warning Light The warning light illuminates when the system has a malfunction. Have your vehicle
inspected at an Authorized Mazda Dealer.


Engine Oil Level
Warning Indication
* The message is displayed when the system has a malfunction. Have your vehicle inspected
at an Authorized Mazda Dealer.
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7–34
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.
Signal Warning


Check Engine Light If this light illuminates while driving, the vehicle may have a problem. It is important to
note the driving conditions when the light illuminated and consult an Authorized Mazda
Dealer.
The check engine light may illuminate in the following cases:
 The fuel tank level being very low or approaching empty.
 The engine's electrical system has a problem.
 The emission control system has a problem.
 The fuel-fi ller cap is missing or not tightened securely.
If the check engine light remains on, or it fl ashes continuously , do not drive at high speeds
and consult an Authorized Mazda Dealer as soon as possible.


Automatic
Transaxle Warning
Indication/Warning
Light The indication/light illuminates when the transaxle has a problem. CAUTION
If the automatic transaxle warning indication/light illuminates, the transaxle has
an electrical problem. Continuing to drive your Mazda in this condition could cause
damage to your transaxle. Consult an Authorized Mazda Dealer as soon as possible.


AWD Warning
Indication
*
“4WD System Malfunction” is displayed
The indication is displayed under the following conditions. The system may have a
malfunction. Have the vehicle checked at an Authorized Mazda Dealer.
 When there is a malfunction in the AWD system.
 When there is a large difference between the tire size of the front and rear wheels.
“4WD System High Load” is displayed
The indication is displayed under the following conditions. Park the vehicle in a safe place
and check that the warning indication light turns off, and then drive the vehicle. Contact an
Authorized Mazda Dealer if the indication is continuously displayed.
 When the differential oil temperature is excessively high.
 When there is a large difference between the front and rear wheel rotation, such as when
trying to remove the vehicle from mud.

AWD Warning
Light
*
When the light is turned on
The light turns on under the following conditions. The system may have a malfunction.
Have the vehicle checked at an Authorized Mazda Dealer.
 When there is a malfunction in the AWD system.
 When there is a large difference between the tire size of the front and rear wheels.
When the light is fl ashing
Park the vehicle in a safe place. After a few moments, if the warning light stops fl ashing,
you can resume driving. If the light does not stop fl ashing, contact an Authorized Mazda
Dealer.
 When the differential oil temperature is excessively high.
 When there is a large difference between the front and rear wheel rotation, such as when
trying to remove the vehicle from mud.
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7–39
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.
Signal Warning Action to be taken


Smart Brake Support/
Smart City Brake Support
(SBS/SCBS) Warning
Light
* The light turns on if the windshield or
the radar sensor are dirty, or there is a
malfunction in the system. Verify the reason why the warning light
is illuminated on the center display.
If the reason why the warning light is
illuminated is due to a dirty windshield,
clean the windshield.
If the warning light is illuminated
because of a dirty radar sensor, clean the
front emblem.
For any other reasons, have the vehicle
inspected at an Authorized Mazda
Dealer.


Low Fuel Warning
Indication/Warning Light The light turns on when the remaining fuel
is about 9.0 L (2.3 US gal, 1.9 Imp gal). NOTE
The light illumination timing may vary
because fuel inside the fuel tank moves
around according to the driving conditions
and the vehicle posture.

Add fuel.


Check Fuel Cap Warning
Indication/Warning Light
* If the check fuel cap warning light
illuminates while driving, the fuel-fi ller cap
may not be installed properly. Stop the engine and reinstall the fuel-
fi ller cap.
Refer to Fuel-Filler Cap on page 3-31
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