Keyless Control Module Removal/Installation: 4SD

Disconnect the negative battery cable.
Remove the rear package trim.
Disconnect the keyless control module connector.
Remove the nut and bolt to remove the keyless control module and the bracket as a module.

Fig 1: Removing/Installing Keyless Entry Control Module (4SD)
Courtesy of MAZDA MOTORS CORP.
Remove the screw.
Push the stopper using a small driver, and remove the bracket.

Fig 2: Removing/Installing Keyless Entry Control Module Bracket (4SD)
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.