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Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> On-Board Diagnostic - Audio Control Unit (ACU) (1 Of 2) >> Diagnostic Assist Function [Audio Control Unit (ACU)] >> Functional Inspection/Adjustment Menu >> Display inspection
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Display inspection

  1. Launch the diagnostic assist function. (See ACTIVATION PROCEDURE .)
  2. Select in the following order from the diagnostic assist function initial screen.
    1. [Functional Inspection/Adjustment]
    2. [Display Test]
  3. Inspect the center display according to the following table.
    CENTER DISPLAY INSPECTION DESCRIPTION

    Indication on center display Content Action
    Center Display Test (Color Bar) Displays the image requested from the audio control unit (ACU) on the center display. Inspect the following if the display does not change correctly.
    • Center display related DTCs. (See DTC TABLE [AUDIO CONTROL UNIT (ACU)] .)
    • Center display related symptom troubleshooting.
    • Wiring harness between center display and audio control unit (ACU)
    Rear Display Displays on the center display, but does not operate.
    DECK Image Test Displays on the center display, but does not operate.
    audio control unit (ACU) Image Test Displays on the center display, but does not operate.
  4. Ends the diagnostic assist function. (See ENDING PROCEDURE .)
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