Purpose
Outputs a request signal and specifies the remote transmitter location.
Function
The keyless antenna outputs request signals to the inside and outside of the vehicle based on the signals from the LF control unit.
Construction, Operation
The antennas for request signal output form the request signal output range at 5 locations.

Request signal output range
The keyless antennas for the vehicle exterior (driver-side, passenger-side, rear) form the request signal output area in the range of an approx. 80 cm {31 in}
radius from each location and communicate with the advanced key.
The keyless antennas for the vehicle interior (front, rear) form the output range inside the vehicle.

Fail-safe
Function not equipped.
Keyless Antenna Removal/Installation
Keyless Antenna [Keyless Entry System]Seat Belt Precautions
Seat belts help to decrease the possibility of severe injury during accidents
and sudden stops. Mazda recommends that the driver and all passengers always wear
seat belts.
All of the seat belt retractors are designed to keep the lap/shoulder belts out
of the way when not in use.
The driver ...
Operational Range
The system operates only when the driver is in the vehicle or within operational
range while the key is being carried.
NOTE
When the battery power is low, or in places where there are high-intensity
radio waves or noise, the operational range may become narrower or the system may
not operate ...
Oil Control Valve (OCV) Removal/Installation
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the ignition coil/ion sensors..
4. Remove the cylinder head cover..
5. Remove in ...