ECU MAZDA MODEL 3 SEDAN 2022 Repair Manual

Rear
(4–Door)
1. Lug wrench
2. Tiedown eyelet

(5–Door)
1. Lug wrench
2. Tiedown eyelet
4. Hook the tying rope to the tiedown eyelet.
CAUTION
If the tiedown eyelet is not securely
tightened, it may loosen or
disengage from the bumper when
tying the vehicle. Make sure that
the tiedown eyelet is securely
tightened to the bumper.
If Trouble Arises
Emergency Towing
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▼Brake Override Warning Indication
This message is displayed when the
accelerator pedal and brake pedal are
depressed at the same time while
driving.
Release the accelerator pedal and
depress the brake pedal.
▼Check Engine Indication/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 engine's electrical system has a
problem.
The emission control system has a
problem.
The fuel-filler cap is missing or not
tightened securely.
The fuel tank level being very low or
approaching empty.
If the check engine light remains on, or
it flashes continuously , do not drive at
high speeds and consult an Authorized
Mazda 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 then reconnected, the engine
could be damaged and catch on fire.
▼i-stop Warning Indication/
Warning Light (Amber)*
The light turns
on/flashes
continuously if the system has a
problem.
Have the vehicle inspected by an
Authorized Mazda Dealer.
▼ Automatic Transmission Warning
Indication/Warning Light*
The indication/light illuminates when
the transmission has a problem.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼KEY Warning Indication/Warning
Light (Red)
“Keyless Entry System Malfunction.
Have the Vehicle Inspected” is
displayed
This message is displayed if the
advanced keyless entry & push button
start system has a problem.
Contact an Authorized Mazda Dealer.
CAUTION
If the message is indicated, or the push
button start indicator light (amber)
flashes, the engine may not start. If the
engine cannot be started, try starting it
using the emergency operation for
starting the engine, and have the
vehicle inspected at an Authorized
Mazda Dealer as soon as possible.
Refer to Emergency Operation for
Starting the Engine on page 4-9.
“Key Not Detected” is displayed
If the presence of the key cannot be
detected (dead battery, battery
malfunction, no key), it is displayed
when the driver attempts to start the
engine (push button start operation,
brake pedal depression).
Displayed when it is determined that
a key that was in the vehicle has
been removed from the vehicle. (Key
taken out warning. Other than
IG-OFF).
▼ Security Indicator Light
If the security indicator light flashes
continuously while you are driving, do
not shut off the engine. Go to an
Authorized Mazda Dealer and have it
checked. If the engine is shut off while
the indicator light is flashing, you will
not be able to restart it.
Make sure the key is within the
operational range for signal
transmission. Switch the ignition off,
and then restart the engine. If the
engine does not start after 3 or more
tries, contact an Authorized Mazda
Dealer.
NOTE
Because the electronic codes are reset
when the immobilizer system is
repaired, the keys are needed. Make
sure to bring all the keys to an
Authorized Mazda Dealer so that they
can be programmed.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Action to be taken
Fasten the seat belts.
▼Seat Belt Warning Light (Rear seat)
(Red)
If the rear seat belts are not fastened
while the ignition is switched ON , the
driver and the passenger are alerted by
the warning light.
The warning light operates even if there
is no passenger on the rear seat.
NOTE
If a rear seat belt is not fastened by a
certain period of time after the engine
has been started, the warning light
turns off.
Action to be taken
Fasten the seat belts.
▼
Low Washer Fluid Level Warning
Indication/Warning Light*
This warning light indicates that little
washer fluid remains.
Action to be taken
Add washer fluid (page 6-21).
▼Door-Ajar/Trunk lid-Ajar/
Liftgate-Ajar Warning Indication/
Warning Light
The light turns on if any door/trunk
lid/liftgate is not closed securely.
Action to be taken
Close the door/trunk lid/liftgate
securely.
▼Tire Pressure Monitoring System
(TPMS) Warning Indication/
Warning Light (Turns on)
If a tire pressure decreases below the
specified air pressure, the TPMS
warning light turns on.
At the same time, a message and the
tire pressure of each tire are displayed
on the multi-information display
alternately. In addition, the tire (s) with
low air pressure is displayed in yellow.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Index
Recording of Vehicle Data..........8-20
Recreational Towing.................. 3-53
Registering Your Vehicle in A Foreign
Country.................................... 8-16
ReplacementFuse..................................... 6-39
Key battery........................... 6-30
Light bulbs........................... 6-36
Tires.....................................6-34
Wheel.................................. 6-36
Wiper.................................. 6-22
Rocking the Vehicle................... 3-48
S
Safety Defects, Reporting
(Canada).................................. 8-14
Safety Defects, Reporting
(U.S.A.).................................... 8-12
Saving Fuel and Protection of the
Environment............................. 3-46
Scheduled Maintenance Canada.................................. 6-6
Mexico.................................. 6-8
U.S.A. and Puerto Rico........... 6-4
Seats Driver's seat........................... 2-5
Front passenger's seat........... 2-13
Front seat............................... 2-5
Head restraint...................... 2-17
Rear seat.............................. 2-14
Seat warmer......................... 2-20
Seat Belt System Automatic locking................ 2-25
Emergency locking................ 2-25
Extender.............................. 2-30
Pregnant women.................. 2-25
Seat belt precautions............ 2-23
Seat Belt Warning Beep............. 7-43
Security System Immobilizer system............... 3-42
Theft-deterrent system.......... 3-44
Selector Lever Not In P or N
Reminder Warning Beep............ 7-46
Shift Position Warning Beep....... 7-46
Smart Brake Support (SBS)....... 4-169 Stopping the Smart Brake Support
(SBS) system operation........4-177
Spare Tire................................... 7-5
Spare Tire and Tool Storage.......... 7-3
Specifications Capacities.............................. 9-5
Dimensions............................ 9-6
Electrical system..................... 9-4
Engine................................... 9-4
Light bulbs............................. 9-9
Lubricant quality..................... 9-5
Tires.....................................9-10
Weights................................. 9-7
SRS Air Bags Driver and front passenger
occupant classification
system................................. 2-70
How the SRS air bags work.... 2-63
Limitations to SRS air bag...... 2-69
Monitoring........................... 2-75
SRS air bag deployment
criteria................................. 2-67
Supplemental restraint system
components......................... 2-61
Supplemental restraint system
(SRS) precautions................. 2-55
Starting the Engine...................... 4-5
Steering Wheel Heated steering wheel.......... 2-21
Horn.................................... 4-69
Storage Compartments.............. 5-46 Center console..................... 5-47
Glove compartment..............5-47
Overhead console................ 5-47
Storage pocket..................... 5-47
Storage Pocket.......................... 5-47
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