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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 169 (Audio/Video/Navigation (AVN) System (HEV)) >> Speaker >> Repair Procedures >> Inspection

Repair Procedures: Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Troubleshooting for Speaker
    1. Basic inspection of speaker

      Inspect the sound from speaker after verifying that the speaker mounting screws are removed and the wiring connector is connected precisely to remove vibration transmitted from body trims and surrounding parts.

      G13077319Courtesy of KIA MOTORS AMERICA, INC.
    2. Case Troubleshooting
    No. Case Inspection/Remedy
    1 Trembling sound
    1. Before replacing the speaker, inspect that the mounting screw is installed properly.
    2. After reinstalling the speaker, verify that no trembling sound is heard.
    3. If the trembling sound is heard again, replace the speaker with a new one.
    2 Noise
    1. Check that the wiring connector is connected properly. If not, reconnect the wiring connector.
    2. In case of radio static, check for noise from CD player.
    3. When a noise is heard on turning radio and CD on, replace the speaker with new one.
    NOTE: In case of radio static noise only, poor radio reception may be the cause. In this case, the speaker does not require repair or replacement.
    3 Poor operation
    G13077320Courtesy of KIA MOTORS AMERICA, INC.

    Inspection of the wiring connection between the battery and the speaker
    1. Before replacing the speaker, inspect the wiring and connections in the speaker circuit.
    2. Check the supplying power to the speaker and the resistance, and then inspect the sound quality.
    3. If the speaker works poorly, replace it with new one.
    CAUTION:
    • Handling of speaker
    • Dropping or rough handling of the speaker can cause damage.
    • Be careful not to drip water or oil over the speaker.
    • Take caution when handling speaker as the diaphragm is made of paper, which can easily gets torn by impact and external force.
    • Modifying the audio system to customer preference may cause electric damage to the speaker. In this case, the speakers are not covered by the manufacturer's warranty.