Audio Amplifier Inspection

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

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

Connect the M-MDS to the DLC-2.
Perform the DTC inspection for the connectivity master unit (CMU) and verify if any DTCs related to the audio amplifier is detected. (See DTC INSPECTION .)
- If DTCs are detected, repair the malfunctioning location according to the applicable DTC troubleshooting. (Refer to the DTC TABLE [CONNECTIVITY MASTER UNIT (US)] in the service information)