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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 243 (On-Board Diagnostic - MAZDA Connect (1 Of 5)) >> Diagnostic Assist Function [Connectivity Master Unit (Us)] >> Diagnostic Test Menu >> On-board diagnostic result verification

On-board diagnostic result verification

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.
  1. Launch the diagnostic assist function. (See ACTIVATION PROCEDURE .)
  2. Select in the following order from the diagnostic assist function initial screen.
    1. [Diagnostic Test]
    2. [System Self-Diagnostic Test]
    3. [System Self-Diagnostic Test Result]
  3. Select the applicable device and verify the on-board diagnostic result.
    DIAGNOSTIC TARGET DEVICE CLASSIFICATION

    Diagnostic target device classification Diagnostic target device
    Indication on center display Indication on center display Part name/content
    Inspection of Device Connected via MOST CMU Connectivity master unit (CMU)
    RT Remote tuner (RT)
    AMP Audio amplifier
    Inspection of Device Connected via GMSL DISP Center display
    RSES Displays on the center display, but does not operate.
    HUB Displays on the center display, but does not operate.
    Inspection of Device Connected via USB DECK (1) CD player or DVD/CD player
    DSRC Displays on the center display, but does not operate.
    Inspection of Device Connected via Other Method COMMANDER Commander switch
    MIC Microphone
    (1) Vehicles with CD player or DVD/CD player

    Diagnostic target device classification screen/diagnostic target device screen

    G13196586Courtesy of MAZDA MOTORS CORP.
    DIAGNOSTIC TARGET DEVICE CLASSIFICATION

    No. Name Content
    1 Diagnostic target device classification Displays the type of diagnostic target device (MOST connected device,/GMSL connected device/USB connected device/other connected devices).
    2 Diagnostic result Displays the diagnostic results of each diagnostic target device.
    • [Not connected]: Diagnostic target device is not connected
    • [No response:]: No response from diagnostic target device
    • [Details]: Switches to diagnostic target device screen
    • [OK]: Other than above
    3 Diagnostic target device Displays the diagnostic target device.
    4 DTC clear button Clears the DTC of the displayed diagnostic target device.
    5 Occurrence time Displays the occurrence time of the applicable DTC.
    6 DTC No. Displays up to 6 DTCs of the displayed diagnostic target devices.
  4. If a DTC is displayed, repair the malfunctioning location according to the DTC troubleshooting.
  5. Ends the diagnostic assist function. (See ENDING PROCEDURE .)
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