Keyless Buzzer Test/Replacement

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove the rear bumper (see REAR BUMPER REMOVAL/INSTALLATION ).
Disconnect the 2P connector (A) from the keyless buzzer (B).

Fig 1: Identifying 2P Connector Terminals And Keyless Buzzer
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Test the buzzer by connecting battery power to the No. 1 terminal and ground to the No. 2 terminal. The buzzer should sound.
If the buzzer does not sound, replace it.
Install the buzzer in the reverse order of removal.