RF Unit 2 Replacement

Remove the rear shelf (see TRIM REMOVAL/INSTALLATION - REAR SHELF AREA ).
Disconnect the 6P connector (A) from RF unit 2 (B).

Fig 1: Disconnecting 6P Connector From RF Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the nut and RF unit 2.
Install the unit in the reverse order of removal.