EX Model

Remove the glove box (see GLOVE BOX REMOVAL/INSTALLATION ).
Remove the front accessory power socket (see ACCESSORY POWER SOCKET TEST/REPLACEMENT ).
Disconnect the 5P connector (A) from the auxiliary jack assembly (B).

Fig 1: Identifying 5P Connector & Auxiliary Jack Assembly - EX Model
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Push out the auxiliary jack assembly (B) from behind the dashboard.
Install the auxiliary jack assembly in the reverse order of removal.