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Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Entertainment System >> Audio Control Unit (ACU) Inspection

Audio Control Unit (ACU) Inspection

NOTE:
  • The integrity of the audio control unit (ACU) cannot be determined from a single part. When inspecting the audio control unit (ACU), perform the following procedure.
  1. Connect the M-MDS to the DLC-2.
  2. Perform the DTC inspection for the audio control unit (ACU) and verify if any DTCs related to the audio control unit (ACU) is detected. (See DTC INSPECTION .)
    • If DTCs are detected, repair the malfunctioning location according to the applicable DTC troubleshooting. (Refer to the [DTC TABLE [AUDIO CONTROL UNIT (ACU)] ] in the appropriate service information )