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

DTC Code DTC Name
Noise Occurs

PROCEDURE

  1. NOISE CONDITION

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

    Result

    Proceed to

    The location of the noise source can be determined

    The location of the noise source cannot be determined
    The location of the noise source cannot be determined

    CHECK NOISE CONDITIONClick here

    The location of the noise source can be determined

  2. 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 malfunctions.

    Result

    Proceed to

    No malfunction is found

    The speaker is installed incorrectly

    Foreign objects are in the speaker

    The speaker cone paper is broken
    The speaker is installed incorrectly

    REINSTALL SPEAKER

    Foreign objects are in the speaker

    REMOVE FOREIGN OBJECT

    The speaker cone paper is broken

    REPLACE SPEAKER

    No malfunction is found

  3. CHECK NOISE CONDITION

    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 air conditioning or heater operation.

      Blower motor

      Noise occurs during window defogger operation.

      Back door glass (window defogger)

      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 during wiper operation.

      Wiper

      Noise occurs when the brake pedal is depressed.

      Stop light switch

      Others

      Static electricity
      Tip:

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

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

      • Troubleshoot noises in descending order of loudness.

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

    Result

    Proceed to

    The noise source cannot be determined

    The noise source can be determined
    The noise source cannot be determined

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    The noise source can be determined

    REPAIR OR REPLACE NOISE SOURCE