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AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) Noise Occurs

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DTC Code DTC Name
  Noise Occurs
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PROCEDURE


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    NOISE CONDITION


    1. Check which direction the noise comes from (front left or right).

      OK
      The location of the noise source can be determined.
      Result
      Proceed to
      OK
      NG

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    CHECK SPEAKERS


    1. Check the installation conditions of the speaker units that are located near the noise source and that there are no cracks, scratches, deformation, or other problems.

      Result
      Result Proceed to
      No malfunction is found A
      A speaker is installed incorrectly B
      Foreign objects are in the speaker C
      A speaker cone is broken D

    • AClick here
    • B

      REINSTALL SPEAKER

    • C

      REMOVE FOREIGN OBJECT

    • D

      REPLACE SPEAKER

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    CHECK NOISE CONDITIONS


    1. Check the noise condition.

      Tip:

      The radio has a noise prevention function to reduce noise when listening to the radio. If a loud noise occurs, check whether the ground at the antenna mounting base and the noise prevention unit are installed and wired correctly.

      Condition under which Noise Occurs Noise Source
      Noise increases when the accelerator pedal is depressed, but stops when the engine is stopped. Generator
      Noise occurs during A/C or heater operation. Blower motor
      Noise occurs when the vehicle accelerates rapidly on an unpaved road or after the ignition switch is turned to ON. Fuel pump
      Noise occurs when the horn switch is pressed and released or when pressed and held. Horn
      Noise occurs synchronously with the blink of the turn signal. Flasher
      Noise occurs during window washer operation. Washer
      Noise occurs while the engine is running, and continues even after the engine is stopped. Engine coolant temperature sensor
      Noise occurs during wiper operation. Wiper
      Noise occurs when the brake pedal is depressed. Stop light switch
      Other Static electricity
      Tip:

      • In the chart's left column, find the situation that matches the customer complaint. Then, in the right column, find the part that is causing the noise. Check the noise filter on the part.

      • To save time and avoid a misdiagnosis, first make sure that the noise is not coming from outside the vehicle.

      • Noise should be removed in descending order of loudness.

      • Setting the radio to a frequency where no signal is received may make recognition of the noise problem easier.

      OK
      The noise source cannot be determined.
      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPAIR OR REPLACE NOISE SOURCE