Keyless Beeper Inspection

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The integrity of the keyless beeper cannot be determined from a single part. When inspecting the keyless beeper, perform the following procedure.

Connect the M-MDS to the DLC-2.
Perform the DTC inspection for the BCM. (See DTC INSPECTION .)
- If DTCs are detected, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [BODY CONTROL MODULE (BCM) (US)] .)
- If DTCs are not detected, go to the next step.
Using the body control module (BCM) simulation KEY_BUZZER, verity that the keyless beeper sounds. (See ACTIVE COMMAND MODES TABLE [BODY CONTROL MODULE (BCM)] .)
- If the keyless beeper does not sound, replace the keyless beeper. (See KEYLESS ANTENNA REMOVAL/INSTALLATION .)