2005 MAZDA MODEL 3 4-DOOR ECU

Black plate (94,1)
Immobilizer System
The immobilizer system allows the engine
to start only with a key the system
recognizes.
If someone attempts to start the engine
with an unrecognized key, the engine will
not start, thereby helping to prevent the
theft of your vehicle.
CAUTION
lChanges or modifications not
expressly approved by the party
responsible for compliance could
void the user's authority to operate
the equipment.
lTo avoid damage to the key, do not:
lDrop the key.lGet the key wet.lExpose the key to any kind of
magnetic field.
lExpose the key to high
temperatures on places such as the
dashboard or hood, under direct
sunlight.
CAUTION
When starting the engine do not allow
the following, as the engine may not
start due to the electronic signal from
the ignition key not being transmitted
correctly.
lA key ring rests on the key grip.
lMetal parts of other keys or metal
objects touch the key grip.
lSpare keys or keys for other vehicles
equipped with an immobilizer
system touch or come near the key
grip.
lDevices for electronic purchases, or
security passage touch or come near
the key.
3-24
Knowing Your Mazda
Security System
Mazda3_8T96-EA-04J_Edition3 Page94
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (95,1)
NOTE
l(U.S.A.)
This device complies with Part 15 of
the FCC Rules. Operation is subject
to the following two conditions: (1)
this device may not cause harmful
interference, and (2) this device must
accept any interference received,
including interference that may cause
undesired operation.
l(CANADA)
This device complies with RSS-210
of Industry CANADA. Operation is
subject to the following two
conditions: (1) this device may not
cause interference, and (2) this
device must accept any interference,
including interference that may cause
undesired operation of the device.
qOperation
Arming
The system is armed when the ignition
switch is turned from the ON to the ACC
position.
The security indicator light in the
instrument panel flashes every 2 seconds
until the system is disarmed.
Disarming
The system is disarmed when the ignition
switch is turned to the ON position with
the correct ignition key.
The security indicator light illuminates for
about 3 seconds and goes out.
If the engine doesn't start with the correct
ignition key, and the security indicator
light keeps illuminating or flashing, the
system may have a malfunction. Consult
an Authorized Mazda Dealer.
NOTE
lIf the security indicator light comes
on and stays on when the ignition
switch is turned to the ON position,
the engine will not start.
lSignals from a TV or radio station, or
from a transceiver or a mobile
telephone, could interfere with your
immobilizer system. If you are using
the proper key and your engine fails
to start, check the security indicator
light. If it is flashing, remove the
ignition key and wait 2 seconds or
more, then reinsert it and try starting
the engine again. If it doesn't start
after 3 or more tries, contact an
Authorized Mazda Dealer.
lIf the security indicator light flashes
continuously while you are driving,
don't shut off the engine. Go to an
Authorized Mazda Dealer and have
it checked. If you shut off the engine
while the light is flashing you won't
be able to restart it.
Knowing Your Mazda
Security System
3-25
Mazda3_8T96-EA-04J_Edition3 Page95
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (96,1)
NOTE
lSince the electronic codes are reset
when repairing the immobilizer
system, the keys are needed. Bring
all the existing keys to an Authorized
Mazda Dealer.
qMaintenance
If you have a problem with the
immobilizer system or the key, consult an
Authorized Mazda Dealer.
NOTE
lThe keys carry a unique electronic
code. For this reason, and to assure
your safety, obtaining replacement
key requires some waiting time.
They are only available through an
Authorized Mazda Dealer.
lAlways keep a spare key, in case one
is lost. If a key is lost, contact an
Authorized Mazda Dealer as soon as
possible.
lIf you lose a key, an Authorized
Mazda Dealer will reset the
electronic codes of your remaining
keys and immobilizer system. Bring
all the remaining keys to an
Authorized Mazda Dealer to reset.
Starting the vehicle with a key that
has not been reset is not possible.
qModification and Add-On
Equipment
Mazda cannot guarantee the immobilizer
system's operation if the system has been
modified or if any add-on equipment has
been installed to it.
CAUTION
To avoid damage to your vehicle, do
not modify the system or install any
add-on equipment to it.
3-26
Knowing Your Mazda
Security System
Mazda3_8T96-EA-04J_Edition3 Page96
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (97,1)
Theft-Deterrent Systemí
The theft-deterrent system is designed to
prevent your vehicle or its contents from
being stolen when all doors, hood, and
trunk lid/liftgate are locked.
If forcible entry is attempted, the system
sounds the horn and flashes the hazard
warning lights.
NOTE
lThe theft-deterrent system operates
with the key or the keyless entry
system transmitter.
lThe system will not function unless
it is properly armed. To properly
secure the vehicle, always make sure
all windows are completely closed
and all doors and the trunk lid/
liftgate are locked before leaving the
vehicle. Remember to take your key
and transmitter.
qOperation
System triggering conditions
The horn sounds intermittently and the
hazard warning lights flash for about 3
minutes when the system is triggered by
any one of the following:
lForcing open a door, the hood or the
trunk lid/liftgate.
lOpening a door, the hood or the trunk
lid by operating an inside door-lock
knob, the hood release handle or the
trunk lid release lever.
If the system is triggered again, the lights
and horn will activate until a door or the
trunk lid is unlocked with the key or with
the transmitter.
q How to Arm the System
1. Remove the key from the ignition
switch.
2. Make sure the hood is closed. Close and lock all doors and the liftgate/trunk
lid from the outside using the key. If
you have the keyless entry system,
press the lock button on the transmitter.
The hazard warning lights will flash
once to indicate that the system is
armed.
The following method will also arm the
theft-deterrent system:
Close the hood and the liftgate/trunk
lid . Press the area on the door-lock
switch marked “LOCK ”once. Close all
doors.
NOTE
Locking the doors with the inside door-
lock knob will not arm the system.
q To Turn off an Armed System
An armed system can be turned off by any
one of the following methods:
lUnlock a door or the trunk lid with the
key.
lPress the unlock button on the keyless
entry system transmitter.
lInsert the key into the ignition switch
and turn it to the ON position.
qTo Stop an Alarm
A triggered alarm can be turned off by
any one of the following methods:
lUnlock a door or the trunk lid with the
key.
Knowing Your Mazda
Security System
3-27íSome models.
Mazda3_8T96-EA-04J_Edition3 Page97
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (98,1)
lPress the unlock button on the keyless
entry system transmitter.
NOTE
If you have any problem with the theft-
deterrent system, consult an Authorized
Mazda Dealer.
qTheft-Deterrent Labels
A label indicating that your vehicle is
equipped with a Theft-Deterrent System is
in the glove box.
Mazda recommends that you affix it to the
lower rear corner of a front door window.
3-28
Knowing Your Mazda
Security System
Mazda3_8T96-EA-04J_Edition3 Page98
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (112,1)
qTire Chains
Check local regulations before using tire
chains.
CAUTION
lChains may scratch or chip
aluminum wheels. Install tire chains
on steel wheels only.
lChains may affect handling.
lDon't go faster than 50 km/h (30
mph) or the chain manufacturer's
recommended limit, whichever is
lower.
lDrive carefully and avoid bumps,
holes, and sharp turns.
lAvoid locked-wheel braking.
lDon't use chains on a temporary
spare tire; it may result in damage to
the vehicle and to the tire.
lDon't use chains on roads that are
free of snow or ice. The tires and
chains could be damaged.
NOTE
If your vehicle is equipped with the tire
pressure monitoring system, the system
may not function correctly when using
tire chains.
Install the chains on the front tires.
Don't use chains on the rear tires.
Use only SAE Class “S” chains, and make
sure they fit.
Installing the chains
1. Secure the chains on the front tires as tightly as possible. Always follow the
chain manufacturer's instructions.
2. Retighten the chains after driving 1/2 ―1 km (1/4 ―1/2 mile).
4-10
Before Driving Your Mazda
Driving Tips
Mazda3_8T96-EA-04J_Edition3 Page112
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (147,1)
SignalWarning/Indicator Lights Page
Seat Belt Warning Light/Beep 5-37
Door-Ajar Warning Light5-38
Low Washer Fluid Level Warning Light5-39
Automatic Transaxle Warning Light5-39
Tire Pressure Monitoring System Warning Light5-39
Security Indicator Light5-41
Headlight High-Beam Indicator Light5-41
Shift Position Indicator Light5-41
Cruise Main Indicator Light5-42
Cruise Set Indicator Light5-42
Light-On Indicator Light5-42
Power Steering Malfunction Indicator Light5-42
Turn Signal/Hazard Warning Indicator Lights5-43
Driving Your Mazda
Warning/Indicator Lights and Beep Sounds
5-33
Mazda3_8T96-EA-04J_Edition3 Page147
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J

Black plate (150,1)
CAUTION
Don't continue driving when the
charging system warning light is
illuminated because the engine could
stop unexpectedly.
qEngine Oil Pressure Warning
Light
This warning light illuminates when the
ignition switch is turned to the ON
position and turns off when the engine is
started.
This warning light indicates low engine
oil pressure.
If the light illuminates 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 inspect the engine oil level (page 8-15). If it's low,
add oil.
3. Check the light.
If the light remains illuminated even after
you add oil, have your vehicle towed to
an Authorized Mazda Dealer.
CAUTION
Don't run the engine if oil pressure is
low. It could result in extensive engine
damage.
q Check Engine Light
If this light comes on while driving, the
vehicle may have a problem. It is
important to note the driving conditions
when the light came on and consult an
Authorized Mazda Dealer.
The check engine light may come on in
the following cases:
lThe fuel tank level being very low or
approaching empty.
lThe engine's electrical system has a
problem.
lThe emission control system has a
problem.
lThe fuel-filler cap is missing or not
tightened securely.
If the check engine light remains on or
flashes continuously, do not drive at high
speeds and consult an Authorized Mazda
Dealer as soon as possible.
5-36
Driving Your Mazda
Warning/Indicator Lights and Beep Sounds
Mazda3_8T96-EA-04J_Edition3 Page150
Wednesday, May 11 2005 3:37 PM
Form No.8T96-EA-04J