Front Inner Handle

WARNING: This page is about a different car, the 2013 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0] ).
Remove the inner garnish. (See INNER GARNISH REMOVAL/INSTALLATION ).
Remove the front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION ).
Disconnect the door lock knob cable and the inner handle cable from the front inner handle.
Install in the reverse order of removal.

Fig 1: Identifying Front Inner Handle, Inner Handle Cable And Door Lock Knob Cable