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:

    Exhaust gas precautions
    Harmful substance to the human body is included in exhaust gases if inhaled. CAUTION Exhaust gases include harmful carbon monoxide (CO), which is colorless and odorless. Observe the following precautions. Failure to do so may cause exhaust gases enter the vehicle and may lead to an accident c ...

    Installing child restraints using a seat belt
    ■ Rear-facing - Infant seat/convertible seat 1 Place the child restraint system on the rear seat facing the rear of the vehicle. 2 Run the seat belt through the child restraint system and insert the plate into the buckle. Make sure that the belt is not twisted. 3 Fully extend the shou ...

    Setting speed dials
    1 Select “Add SD” using . 2 Select the desired data using . 3 Press and hold the desired preset button (from to ). For details about setting speed dials from the call history: For details about deleting speed dials: ...