Immobilizer Control Unit-Receiver Replacement

Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION ), and the driver's dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
Remove the steering column covers (see STEERING COLUMN REMOVAL AND INSTALLATION ).
Remove the ignition switch knob (A).

Fig 1: Identifying Ignition Switch Knob, 7P Connector And Immobilizer Control Unit-Receiver
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the 7P connector (B) from the immobilizer control unit-receiver (C).
Remove the two screws and the immobilizer control unit-receiver from the ignition key cylinder (D).
Install the immobilizer control unit-receiver in the reverse order of removal.
After replacement, the immobilizer control unit-receiver must be registered in IMMOBILIZER with the HDS (all keys and the PCM code are required).