AUDIO AND VISUAL SYSTEM (w/ Microphone) Radio Broadcast cannot be Received or Poor Reception

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK RADIO RECEIVER ASSEMBLY


    1. Check the radio automatic station search function.


      1. Check the radio automatic station search function by activating it.

        Result
        Result Proceed to
        Automatic station search function does not stop A
        Automatic station search function stops on a station B

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    A

  2. CHECK OPTIONAL COMPONENTS


    1. Check if any optional components that may decrease reception capacity, such as sunshade film, are installed.

      Result
      Result Proceed to
      Optional components are not installed A
      Optional components are installed B

      Note

      Do not remove optional components without the permission of the customer.


    B

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

    A

  3. CHECK ANTENNA FOR NOISE PRODUCTION


    1. With the ignition switch ACC, turn on the radio and select the AM mode.

    2. Remove the roof antenna pole sub-assembly.

    3. Place a screwdriver, thin wire or other metal object on the antenna and check that noise can be heard from the speakers.

      OK
      Noise occurs.

    4. Install the roof antenna pole sub-assembly.


    NG

    CHECK INSTALLATION OF ANTENNA GROUND Click here

    OK

    REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY Click here

  4. CHECK INSTALLATION OF ANTENNA GROUND


    1. Check that the amplifier antenna ground is securely fastened to the body.

      OK
      Ground is securely fastened to body.

    NG

    CORRECTLY INSTALL GROUND

    OK

  5. CHECK RADIO RECEIVER ASSEMBLY


    1. Disconnect the No. 2 antenna cord sub-assembly from the radio receiver assembly.

    2. With the ignition switch to ACC, turn on the radio and select the AM mode.

    3. Place a screwdriver, thin wire or other metal object on the radio receiver assembly antenna jack and check that noise can be heard from the speakers.

      OK
      Noise occurs.

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here