ECU MAZDA MODEL 3 4-DOOR 2017 Workshop Manual

7–12
If Trouble Arises
Flat Tire
4. Turn the lug wrench counterclockwise
and lower the vehicle. Use the lug
wrench to tighten the nuts in the order
shown.

If you are unsure of how tight the nuts
should be, have them inspected at an
Authorized Mazda Dealer.
Nut tightening torque
N·m (kgf·m, ft·lbf) 108—147 (12—14, 80—108)
WARNING
Always securely and correctly tighten
the lug nuts:
Improperly or loosely tightened lug
nuts are dangerous. The wheel could
wobble or come off. This could result
in loss of vehicle control and cause a
serious accident.
Be sure to reinstall the same nuts you
removed or replace them with metric
nuts of the same configuration: Because the wheel studs and lug nuts
on your Mazda have metric threads,
using a non-metric nut is dangerous.
On a metric stud, it would not secure
the wheel and would damage the stud,
which could cause the wheel to slip off
and cause an accident.
5. (Without flat tire belt)
Store the damaged tire in the trunk/
luggage compartment.
(With flat tire belt)
Open the trunk/luggage compartment
mat.

Trunk/Luggage compartment mat
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7–13
If Trouble Arises
Flat Tire
6. Remove the belt for securing the flat
tire.
7. Put the flat tire into the trunk/luggage
compartment on the left and toward the
back.

8. (Split-folding type seat)
Fold the rear seatback forward on the
right side of the rear seat.
9. (Split-folding type seat)
Unlock the rear seatback on the left
side and assure a clearance to pass the
belt.
(One-piece folding type seat)
Unlock the rear seatback and assure a
clearance to pass the belt.
10. Pass the belt through the rear seatback
as shown in the figure.
After passing the belt through, return
the rear seatback to the original
position.
(Split-folding type seat)

Belt
(One-piece folding type seat)

Belt
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7–14
If Trouble Arises
Flat Tire
NOTE
Pass the belt underneath the seatbelts.
Belt
Seat belt
11. Pass the buckle through the wheel as
shown in the figure and secure it so that
the buckle does not contact the wheel.
(Aluminum wheel)

(Steel wheel)

12. Pass the belt through the buckle, then
pull the belt end to secure the flat tire.

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7–18
If Trouble Arises
Battery Runs Out
1. Remove the battery cover.

2. Make sure the booster battery is 12
V and that its negative terminal is
grounded.
3. If the booster battery is in another
vehicle, do not allow both vehicles
to touch. Turn off the engine of the
vehicle with the booster battery and
all unnecessary electrical loads in both
vehicles.
4. Connect the jumper cables in the exact
sequence as in the illustration.
 Connect one end of a cable to the
positive terminal on the discharged
battery (1).
 Attach the other end to the positive
terminal on the booster battery (2). Connect one end of the other cable to
the negative terminal of the booster
battery (3).
 Connect the other end to the ground
point indicated in the illustration
away from the discharged battery (4).
5. Start the engine of the booster vehicle
and run it a few minutes. Then start the
engine of the other vehicle.
6. (With i-ELOOP system)
The i-ELOOP indicator light may flash
after the engine is started. The indicator
light turns off when the engine is
running and the charging is completed.
Make sure the i-ELOOP indicator light
is turns off before driving.

NOTE
 If the vehicle is driven with the
i-ELOOP indicator light flashing, a
beep sound is heard.
 If the steering wheel is operated with
the i-ELOOP indicator light flashing, it
may feel heavier than normal, however,
this does not indicate a malfunction.
The steering operation will return to
normal when the i-ELOOP indicator
light turns off.
 Do not remove the jumper cables while
the i-ELOOP indicator light is flashing.
7. When finished, carefully disconnect the
cables in the reverse order described in
the illustration.
8. If the battery cover has been removed,
install it in the reverse order of
removal.
NOTE
Verify that the covers are securely
installed.
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7–23
If Trouble Arises
Emergency Towing
*Some models.
Tiedown Hooks*
CAUTION
Do not use the front and rear tiedown
eyelets for towing the vehicle.
They have been designed only for
securing the vehicle to a transport
vessel during shipping.
Using the eyelets for any other purpose
could result in the vehicle being
damaged.
Tiedown Hooks
1. Remove the tiedown eyelet and the lug
wrench from the luggage compartment
(page
7-3).
2. Wrap a flathead screwdriver or similar
tool with a soft cloth to prevent damage
to a painted bumper, and open the cap
located on the front or rear bumper.
Front
Rear
(4–Door)
(5–Door)
CAUTION
Do not use excessive force as it may
damage the cap or scratch the painted
bumper surface.
NOTE
Remove the cap completely and store it so
as not to lose it.
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7–24
If Trouble Arises
Emergency Towing
3. Securely install the tiedown eyelet
using the lug wrench.
Front

Tiedown eyelet
Lug wrench
Rear

Lug wrench
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.
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7–30
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
SignalWarning
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-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 Mazda Dealer as soon as possible.
Automatic
Transaxle 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.
(Illuminate)TCS/DSC Indicator
Light If the light stays on, the TCS, DSC or the brake assist system may have a malfunction and
they may not operate correctly. Take your vehicle to an Authorized Mazda Dealer.
Air Bag/Seat Belt Pretensioner System
Warning Light A system malfunction is indicated if the warning light constantly flashes, constantly
illuminates or does not illuminate at all when the ignition is switched ON. If any of these
occur, consult an Authorized Mazda Dealer as soon as possible. The system may not
operate in an accident.WARNING
Never tamper with the air bag/pretensioner systems and always have an Authorized Mazda Dealer perform all servicing and repairs:
Self-servicing or tampering with the systems is dangerous. An air bag/pretensioner
could accidentally activate or become disabled causing serious injury or death.
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7–31
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.
SignalWarning
(Flashing)Tire Pressure
Monitoring System Warning Light
*
If the tire pressure monitoring system has a malfunction, the tire press\
ure warning
light flashes for about 1 minute when the ignition is switched ON and then continues
illuminating. Have your vehicle checked by an Authorized Mazda Dealer as soon as
possible.
WARNING
If the tire pressure monitoring system warning light illuminates or flashes, or the tire pressure 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
pressure 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 situation that could lead to tire failure and a dangerous accident.
(Red)(Illuminate)
KEY Warning Light If any malfunction occurs in the keyless entry system, it illuminates co\
ntinuously.
CAUTION
If the key warning indicator light illuminates 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
4-10.
Security Indicator Light If the engine does not start with the correct key, and the security indicator light remains
illuminated or flashing, try the following:
Make sure the key is within the operational range for signal transmissio\
n. 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.
(Amber)High Beam Control
System (HBC)
Warning Light
*
The light remains turned on if there is a problem with the system. Have \
your vehicle
inspected at an Authorized Mazda Dealer.
NOTE
If the windshield area in front of the Forward Sensing Camera (FSC) is fogged or
obstructed, the light turns on temporarily. If the light remains turned on, there may be a
problem with the system.
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7–36
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.
SignalWarning Action to be taken
Low Washer Fluid Level
Warning Light
*
This warning light indicates that little washer
fluid remains. Add washer fluid (page 6-30).
Door-Ajar Warning
Light The light turns on if any door/liftgate is not
closed securely.
Close the door/liftgate securely.
KEY Warning Light
Take the appropriate action and verify that the warning light turns off.
Signal
Cause Action to be taken
(Red)(Flashing)The key battery is dead.
Replace the key battery (page
6-38).
The key is not within the operation range. Bring the key into the operation range
(page
3-8).
The key is placed in areas inside the
cabin where it is difficult for the key to be
detected.
A key from another manufacturer similar to
the key is in the operation range. Take the key from another manufacturer
similar to the key out of the operation
range.
Without the ignition switched off, the key is
taken out of the cabin, and then all the doors
are closed. Bring the key back into the cabin.
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10–7
R
Radar Sensor (Front) .........................4-141
Radar Sensors (Rear)
........................4-144
Rear Coat Hooks
...............................5-119
Rear Cross Traffic Alert (RCTA)
......4-103
Rear Door Child Safety Locks
............3-21
Rear Seat
...............................................2-8
Rear View Monitor ............................4-155
Displayable range on the screen ...4-157
Picture quality adjustment
...........4-162
Rear view monitor operation
.......4-158
Rear view parking camera
location
........................................4-156
Switching to the rear view monitor
display
.........................................4-156
Variance between actual road
conditions and displayed Image
...4-160
Viewing the display
.....................4-158
Rear Window Defogger
......................4-54
Rear Window Washer
..........................4-53
Rear Window Wiper
............................4-53
Rearview Mirror
..................................3-35
Recommended Oil
..............................6-25
Recording of Vehicle Data
..................8-22
Recreational Towing
...........................3-53
Registering Your Vehicle in A Foreign
Country
...............................................8-18
Replacement Fuse
...............................................6-60
Key battery
....................................6-38
Light Bulbs
....................................6-45
Tires
...............................................6-43
Wheel
............................................6-44
Wiper
.............................................6-32
Rocking the Vehicle
............................3-48
S
SRS Air Bags Front passenger occupant classification
system
............................................2-57
How the SRS air bags work
..........2-50
Limitations to SRS air bag
............2-55
Monitoring ..................................... 2-62
SRS air bag deployment criteria
...2-54
Supplemental restraint system
components
...................................2-48
Safety Defects, Reporting
...................8-14
Satellite Radio
.....................................5-45
Saving Fuel and Protection of the
Environment
........................................3-46
Scheduled Maintenance
........................6-4
Seat Belt System 3-point type
...................................2-17
Automatic locking
.........................2-16
Emergency locking
........................2-16
Extender
........................................2-20
Pregnant women
............................2-16
Seat belt warning beep
........................7-40
Seats Front seat
.........................................2-5
Head restraint
................................2-12
Rear seat
..........................................2-8
Seat warmer
.....................................2-7
Security System Immobilizer system
.......................3-42
Theft-deterrent system
..................3-44
Smart Brake Support (SBS)
..............4-133
Collision warning
........................4-135
Smart Brake Support (SBS) indicator
light (red)
.....................................4-135
Stopping the Smart Brake Support
(SBS) system operation
...............4-135
Smart City Brake Support (SCBS)
...4-128
Collision warning
........................4-131
Smart City Brake Support (SCBS)
Indicator Light (Red) ...................4-131
Stopping the Smart City Brake Support
(SCBS) System Operation ...........4-131
Index
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