LF Control Unit Removal/Installation

WARNING: This page is about a different car, the 2014 Mazda 6. 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 .)
Remove the service hole cover on the front side trim.

Fig 1: Identifying Service Hole Cover On Front Side Trim
Courtesy of MAZDA MOTORS CORP.
Disconnect the connector.

Fig 2: Identifying LF Control Unit Connector
Courtesy of MAZDA MOTORS CORP.
Pull the LF control unit in the direction of the arrow (2) shown in the figure and remove it while pressing the tab in the direction of the arrow (1).
Install in the reverse order of removal.

Fig 3: Pulling LF Control Unit
Courtesy of MAZDA MOTORS CORP.