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:
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the engine room, pry up the
hook of the clip using a flathead screwdriver. ...
Supplemental Restraint System Components
(With Front Passenger Occupant Classification System)
(Without Front Passenger Occupant Classification System)
Driver/Front passenger inflators and air bags
Roll-over sensor * , crash sensors, and diagnostic module (SAS unit)
Seat belt pretensioners
Front air bag sensors
Side c ...
Seat Weight Sensor Calibration [Two Step Deployment Control System]
CAUTION:
If any of the following work is performed, perform the seat weight sensor
calibration using the M-MDS.
Replacement with a new seat weight sensor
Replacement with a new seat weight sensor control module
Replacement with new passenger-side seat pa ...
