Horn Test/Replacement

Remove the front bumper (see FRONT BUMPER REMOVAL/INSTALLATION ).
Disconnect the 1P connector (A) from the horn (B).

Fig 1: Locating 1P Connector And Horn
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Test the horn by connecting battery power to the terminal (A) and grounding the bracket (B). The horn should sound.

Fig 2: Locating Horn Terminal And Grounding Bracket
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If it fails to sound, replace it.