Keyless Beeper Inspection

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the front mudguard. (See FRONT MUDGUARD REMOVAL/INSTALLATION .)
Remove the keyless beeper. (See KEYLESS BEEPER REMOVAL/INSTALLATION .)
When applying battery positive voltage to the keyless beeper, verify that an electromagnetic sound is heard.
- If the sound cannot be verified, replace the keyless beeper.
  
  Fig 1: Inspecting Keyless Beeper
  Courtesy of MAZDA MOTORS CORP.