Mazda 3 Owners Manual: Theft-Deterrent System
If the theft deterrent system detects an inappropriate entry into the vehicle, which could result in the vehicle or its contents being stolen, the alarm alerts the surrounding area of an abnormality by sounding the horn and flashing the hazard warning lights.
The system will not function unless it's properly armed. So when you leave the vehicle, follow the arming procedure correctly.
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 hel ...
Operation
System triggering conditions
The horn sounds intermittently and the
hazard warning lights flash for about 30
seconds when the system is triggered by
any one of the following:
Unlocking a door ...
Other materials:
Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1
Resistance inspection
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. R ...
Air Filter Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection
1. Remove the air filter..
2. Blow from port A and verify that there is airflow from port B.
If there is no airflow, replace the air filter..
3. Blow from port B and verify that there is airflow from port A.
If there is no airflow, replace the air filt ...
DSC Off Switch Inspection
1. Remove the DSC OFF switch..
2. Verify that the continuity between the DSC OFF switch terminals is as indicated
in the table.
If not as indicated in the table, replace the DSC OFF switch.
3. Apply battery voltage to DSC OFF switch terminal E, and connect terminal A
to g ...
