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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)] >> Functional Inspection/Adjustment Menu >> Vehicle signal information verification

Vehicle signal information 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. [Functional Inspection/Adjustment]
    2. [Vehicle Signal Information]
  3. Verify the following information.
    DIAGNOSTIC ASSIST FUNCTION INITIAL SCREEN

    Indication on center display Unit Content
    Battery Voltage V Displays the value of the battery voltage signal received by the connectivity master unit (CMU).
    IG ON/OFF Displays the value of the ignition status signal received by the connectivity master unit (CMU).
    PKB ON/OFF Displays the value of the parking brake status signal received by the connectivity master unit (CMU).
    REV ON/OFF Displays the value of the R position status signal (ATX)/reverse status signal (MTX) received by the connectivity master unit (CMU).
    Vehicle Speed km/h Displays the value of the vehicle speed signal received by the connectivity master unit (CMU).
    TAIL ON/OFF Displays the value of the TNS on status signal received by the connectivity master unit (CMU).
  4. Ends the diagnostic assist function. (See ENDING PROCEDURE .)
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