Because the antenna system is equipped with a capacitor, the continuity cannot be checked. Therefore proceed the following simple inspection.
Turn the AM radio on.
Tune to the frequency that there is no broadcast and you will hear a buzzing sound.
Turn a work light on and shake it around the antenna rod. (around 10—20 mm {0.40—0.78 in})
CAUTION:
Use a fluorescent light type for the inspection. Accurate diagnostic cannot be done with a different type of light.

If a whirring sound from the speaker synchronized to the work light movement is confirmed, the antenna system is normal.
Coil Antenna Removal/Installation
Entertainment Personalization Features Setting ProcedureHood Adjustment
Gap Adjustment
1. Verify that the gap between the hood and the body is within the specification.
Standard clearance
a: -2.8—0.8 mm {-0.11—0.03 in}
b: –1.2—1.2 mm {–0.047—0.0.47 in}
2. Disconnect the negative battery cable..
3. Remove the following parts:
...
Warning Lights
These lights turn on or flash to notify the user of the system operation
status or a system
malfunction.
Signal
Warning Lights
Master Warning Light *1
Brake System Warning Light *1*2
ABS Warning Light *1
Charging System Warnin ...
How the SRS Air Bags Work
Your Mazda is equipped with the following types of SRS air bags. SRS air bags
are
designed to work together with the seat belts to help to reduce injuries during
an accident.
The SRS air bags are designed to provide further protection for passengers in
addition to the
seat belt functions. ...