NAVIGATION SYSTEM(for Radio and Display 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, or rear left or right).

      OK

      The location of the noise source can be determined.

    Result

    Proceed to

    OK

    NG
    NG

    CHECK NOISE CONDITIONSClick here

    OK

  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 failures.

    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 paper is broken

    D
    B

    REINSTALL SPEAKER

    C

    REMOVE FOREIGN OBJECT

    D

    REPLACE SPEAKER

    A

  3. 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 air conditioning or heater operation.

      Blower motor

      Noise occurs when the horn switch is pressed and released or when pressed and held.

      Horn

      Noise occurs synchronously with the turn signal blinking pattern.

      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.

      OK

      The noise source cannot be determined.

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick here

    NG

    REPAIR OR REPLACE NOISE SOURCE