MDX V6-3.7L (2007)
Keyless Entry Receiver: Service and Repair
Keyless Buzzer Test/Replacement
1. Remove the rear bumper.
2. Disconnect the 2P connector (A) from the keyless buzzer (B).
3. Test the buzzer by connecting battery power to the No. 1 terminal and ground to the No. 2 terminal. The buzzer should sound.
4. If the buzzer does not sound, replace it.
5. Install the buzzer in the reverse order of removal.