2015 MAZDA MODEL 3 5-DOOR ECU

*Some models.7–27
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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 a\
s if the vehicle had
no ABS.
Should this happen, consult an Authorized Mazda Dealer as soon as possible. NOTE
yWhen 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.
yThe brake assist system does not operate while the ABS warning light is illuminated.
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:
y The fuel tank level being very low or approaching empty. y The engine's electrical system has a problem. y The emission control system has a problem. y 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 Light
*
The light/indication illuminates when the transaxle has a problem.
CAUTION
If the automatic transaxle warning 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.
Air Bag/Seat
Belt Pretensioner System Warning Light A system malfunction is indicated if the warning light constantly fl
ashes, 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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*Some models.7–30
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning Action to be taken
Seat Belt
Warning Light
The seat belt warning light illuminates if the driver or front passenger\
's seat is occupied and the
seat belt is not fastened with the ignition switched ON.
Seat belt reminder
If the vehicle is driven with the driver or front passenger's seat belt \
unfastened, the seat belt
warning light illuminates and a warning beep sounds.
NOTE
If the driver or front passenger's seat belt is unfastened (only when the front passenger seat is
occupied) and the vehicle is driven at a speed faster than about 20 km/\
h (12 mph), the warning
light will fl ash and a beep sound will be heard. After a short time, the warning light stops fl ashing,
but remains illuminated, and the beep sound stops.
Until a seat belt is fastened or a given period of time has elapsed, the\
beep sound will not stop even
if the vehicle speed falls below 20 km/h (12 mph).
NOTE
yThe warning light fl ashes and a beep sound will be heard for about 6 seconds if the driver's seat
belt is not fastened when the ignition is switched ON.
yIf a driver or front passenger's seat belt is unfastened after the beep sound turns off (\
warning light remains illuminated), and the vehicle speed exceeds 20 km/h (12 mph), \
the warning light fl ashes
and beep sound activates again.
yPlacing heavy items on the front passenger seat may cause the front passenger seat belt warning function to operate depending on the weight of the item.
yTo allow the front passenger seat weight sensor to function properly, do not place and sit on an additional seat cushion on the front passenger seat. The sensor may not function properly because
the additional seat cushion could cause sensor interference.
yWhen a small child sits on the front passenger seat, it is possible that the warning light will not operate.
Door-Ajar Warning Light The light turns on if any door is not closed
securely.
Close the door securely.
Low Washer
Fluid Level Warning Light
*
This warning light indicates that little washer
fl uid remains. Add washer fl
uid (page 6-31 ).
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10–7
Index
Security System Immobilizer system ....................... 3-41
Theft-deterrent system .................. 3-43
Sensor Radar Sensor ................................. 4-64
Service Publications ............................ 8-50
Smart City Brake Support (SCBS) ..... 4-71
Deactivating the Smart City Brake
Support (SCBS) System operation
... 4-77
Laser sensor handling .................... 4-75
Smart City Brake Support (SCBS)
Indicator Light (Red)..................... 4-77
Spare Tire .............................................. 7-5
Specifi cations ........................................ 9-4
Speed Unit Selector ............................. 4-12
Speedometer ........................................ 4-12
Starting the Engine ................................ 4-5
Steering Wheel .................................... 3-32 Horn............................................... 4-57
Storage Compartments ...................... 5-140 Center console ............................. 5-141
Glove compartment ..................... 5-140
Overhead console ........................ 5-140
Rear coat hooks ........................... 5-141
Sunshade ............................................. 3-40
Sunvisors ........................................... 5-134
T
Tachometer .......................................... 4-13
Theft-Deterrent System ....................... 3-43
Tiedown Hook .............................................. 7-22
Tire Information .................................. 8-24
Tire Pressure Monitoring System ..... 4-103
Tire infl ation pressure warning beep ... 7-37 Tires .................................................... 6-42
Flat Tire ........................................... 7-3
Replacing a Tire ............................ 6-44
Replacing a Wheel ........................ 6-45
Snow tires ...................................... 3-48
Specifi cations ................................ 9-10
Temporary Spare Tire .................... 6-44
Tire Infl ation Pressure ................... 6-42
Tire Rotation ................................. 6-43
Tire chains ..................................... 3-48
Uniform tire quality grading system
(UTQGS) ....................................... 8-22
Towing Recreational towing ...................... 3-52
Trailer Towing ............................... 3-52
Towing Description ............................. 7-21
Traction Control System (TCS) .......... 4-79 TCS/DSC Indicator Light ............. 4-79
Transmitter ............................................ 3-4
Trip Computer ..................................... 4-16
Trip Meter ........................................... 4-12
Trouble Battery runs out ............................. 7-15
Emergency Starting ....................... 7-18
Emergency Towing........................ 7-21
Flat Tire ........................................... 7-3
Overheating ................................... 7-19
Parking in an Emergency ................ 7-2
When liftgate/trunk lid cannot be
opened ........................................... 7-39
Trunk Lid ............................................ 3-20
Inside trunk release lever .............. 3-25
When liftgate/trunk lid cannot be
opened ........................................... 7-39
V
Vanity Mirrors ................................... 5-134
Vehicle Information Labels ................... 9-2
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