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Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Connectivity Master Unit >> Diagnostic Assist Function [Connectivity Master Unit] >> Diagnostic Assist Code Input Procedure >> Diagnostic Assist Code "94" Speaker Inspection
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Diagnostic Assist Code "94" Speaker Inspection

  1. Input diagnostic assist code "94" according to the diagnostic assist code input procedure. (See DIAGNOSTIC ASSIST CODE INPUT PROCEDURE .)
    CENTER DISPLAY INFORMATION

    Inspection Display of center display Action
    • Launch the speaker inspection mode.
    • Does each speaker output sound in the following order?:

      Without Bose ®

      1. Front door speaker (LH) and tweeter (LH)
      2. Front door speaker (RH) and tweeter (RH)
      3. Rear door speaker (RH)
      4. Rear door speaker (LH)

      With Bose ®

      1. Front door speaker (LH), front side speaker (LH), and front center speaker
      2. Front door speaker (RH), front side speaker (RH), and front center speaker
      3. Rear door speaker (RH), rear speaker (LH), and rear speaker (RH)
      4. Rear door speaker (LH), rear speaker (LH), and rear speaker (RH)
    		 Yes Without Bose ®
    • The speaker, tuner and amplifier unit (TAU), and the wiring harness between the tuner and amplifier unit (TAU) and speaker are normal.

    With Bose ®
    • The speaker, tuner and amplifier unit, audio amplifier, wiring harness between audio amplifier and speaker, and wiring harness between tuner and amplifier unit (TAU) and audio amplifier are normal.
    No Refer to the symptom troubleshooting.
    (See NO SOUND OUTPUT IN ALL MODES [ENTERTAINMENT SYSTEM] .)
  2. Cancel the diagnostic assist function according to the ending procedure. (See ENDING PROCEDURE .)
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