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Home >> Mazda >> 2019 >> 6 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostics - Connectivity Master Unit >> Diagnostic Assist Function (Connectivity Master Unit) >> Using Center Display

Using Center Display

  1. Switch the ignition to ACC or ON (engine off or on).
  2. Display the display setting screen in the center display.
    1. Select [Settings icon] on the center display.
    2. Select [Screen tab] on the center display.
  3. Operate the center display in the following order.
    1. Touch and hold the right upper area of the screen (area A in figure below) until a beep is heard (approx. 5 s or more).
    2. Touch and hold the left upper area of the screen (area B in figure below) until a beep is heard (approx. 5 s or more).
Fig 1: Selecting Settings Icon On Center Display
G12234723Courtesy of MAZDA MOTORS CORP.


  1. Input the diagnostic assist code by pressing the "Diagnostic assist code input switch".
  2. Press "ENTER".
  3. Perform the inspection according to the diagnostic assist code list. (See Diagnostic Assist Code List .)
    NOTE:
    • If [- REJECTED] is displayed, the inspection cannot be performed because communication is not enabled between the related parts, or the conditions are not met even if communication is enabled. Therefore, verify the display [- REJECTED] referring to the following procedure. (See[- REJECTED] is displayed.)

[- REJECTED] is displayed

  1. Switch the ignition off.
  2. Launch the diagnostic assist function. (See Activation Procedure .)
  3. Input the diagnostic assist code. (See Diagnostic Assist Code Input Procedure .)
  4. Verify that [- REJECTED] is not displayed.