Toyota Corolla (E120): Noise occurs

Inspection procedure

1 Check of speaker installation

  1. Check speaker installation condition.
  1.  Check that each speaker is securely installed.

    Standard: malfunction disappear.

Hint

: the radio is equipped with noise prevention system that does not work against the regular use of the radio, thereby excessively large noise cannot occur in the radio. If large noise occurs, check whether or not the earth on the antenna installation part and the proper noise–prevention equipment are all installed, and whether or not the improper wiring is held.

Hint:

Hint

:

  • identify the condition under which the noise occurs, and check the noise filter on the related part.
  • Make sure first that there is no noise from outside. Failing to do so makes the noise occurrence source detection impossible and leads to misunderstanding.
  • The noise should be removed in descending order of loudness.

Identification of noise source

Identification of noise source

    Share this page:

    Other materials:

    Listening to a USB memory device
    Connecting a USB memory device enables you to enjoy music from the vehicle speakers. Touch “USB” on the audio source selection screen. Connecting a USB memory device Audio control screen Pressing the “AUDIO” button displays the audio control screen from any screens of the selected so ...

    Folding the mirrors
    Push the mirror back in the direction of the vehicle’s rear. ■Mirror angle can be adjusted when ► Vehicles without a smart key system The engine switch is in the “ACC” or “ON” position. ►Vehicles with a smart key system The engine switch is in ACCESSORY or IGNITION ...

    Using the voice command system (Multimedia system)
    Voice command system The voice command system enables the hands-free system to be operated using voice commands. Operations of the voice command system can be performed by selecting the menu corresponding to each function on the screen. Even if any menu is selected, commands displayed on all ...