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In all Modes Noise Occurs in all of the Speakers [07/2022 - ]: Procedure

  1. CHECK SPEAKER INSTALLATION 
    1. Make sure that there are no abnormalities such as looseness or play in the installation of each speaker.
    2. Make sure that there are no abnormalities with each speaker such as the presence of foreign material or tears in the paper of the speaker cone.

      Result

      Result Proceed to
      No speaker abnormalities A
      Speaker is improperly installed B
      Foreign material is found in the speaker C
      Paper of the speaker cone is torn D

    Result: 

    B 

    INSTALL THE SPEAKER CORRECTLY 

    Result: 

    C 

    REMOVE FOREIGN MATTER FROM THE SPEAKER 

    Result: 

    D 

    REPLACE RESPECTIVE PARTS 

    Result: 

    A 

    See step  2

  2. DETERMINE CAUSE OF NOISE 
    1. Using the following diagnosis table, determine the cause of noise.

      HINT: 

      • Confirm that noise is not coming from outside the speaker. Make sure to perform this procedure correctly, otherwise the source of noise may be unclear resulting in the cause being misdiagnosed.
      • When performing the noise prevention procedure, start the inspection from the device with the most noise.
      • Set the radio to a frequency with no broadcast (untuned) so that the noise is more pronounced and easier to judge.

      Symptom table

      Condition under which Noise Occurs Noise Source
      A whirring noise occurs when the air conditioner or heater is operating. Noise from the blower motor
      A click sound occurs when the horn button is pressed, and a buzzing sound is heard when pressed and held. Noise from the horn
      A small buzzing sound occurs until the engine stops. Ignition noise
      Clicking sound occurs synchronously with the turn signal blinking pattern Flashing noise
      Noise occurs during window washer operation Washer noise
      Friction sound is heard from the areas the wipers contact. Noise from the wipers
      Clicking sound is heard when depressing the brake pedal Noise from the stop light switch
      Others Static electricity

      Result

      Result Proceed to
      The noise source cannot be determined. A
      The noise source can be determined. B

    Result: 

    A 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [07/2022 - ] 

    Result: 

    B 

    REPLACE THE RESPECTIVE NOISE FILTER