Immobilizer-Keyless Control Unit Replacement

Remove the steering column covers (see COLUMN COVER REMOVAL/INSTALLATION ).
Disconnect the up connector (A) from the immobilizer-keyless control unit (B).

Fig 1: Identifying up Connector And Immobilizer-Keyless Control Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the two screws and the immobilizer-keyless control unit.
Install the immobilizer-keyless control unit in the reverse order of removal.
After replacement, register the immobilizer-keyless control unit (see PROGRAMMING IMMOBILIZER-KEYLESS CONTROL UNIT ), and make sure the immobilizer system works properly.