Power Tailgate Inside Beeper Test/Replacement

Remove the left D-pillar trim (see D-PILLAR TRIM ).
Disconnect the 2P connector (A) from the power tailgate inside beeper (B).

Fig 1: Identifying Power Tailgate Inside Beeper With 2P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Test the beeper by connecting battery power to terminal No. 1 and ground to terminal No. 2. The beeper should sound.
If the beeper does not sound, replace it.