NAVIGATION SYSTEM (for HDD) Radio Broadcast cannot be Received or Poor Reception

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK NAVIGATION RECEIVER ASSEMBLY


    1. Check the radio automatic station search function.


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

        OK
        The radio automatic station search function works properly.

    NG

    CHECK OPTIONAL COMPONENTS Click here

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

  2. CHECK OPTIONAL COMPONENTS


    1. Check for optional components (sun-shade film, telephone antenna, etc.).


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

        OK
        Optional components are installed.

        Note

        Do not remove any optional components installed by the customer without his or her consent.


    NG

    CHECK ANTENNA FOR NOISE PRODUCTION Click here

    OK

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

  3. CHECK ANTENNA FOR NOISE PRODUCTION


    1. With the ignition switch ON, turn on the radio and choose the AM mode.

    2. Place the tip of a screwdriver on the antenna and check that noise is heard from the speakers.

      OK
      Noise is heard.

    NG

    CHECK NAVIGATION RECEIVER ASSEMBLY Click here

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

  4. CHECK NAVIGATION RECEIVER ASSEMBLY


    1. A003CJC

      Preparation for check.


      1. Remove the antenna connector from the navigation receiver assembly.

    2. Check for noise.


      1. Turn the ignition switch to ACC with the navigation receiver assembly connector connected.

      2. Turn the radio on and choose the AM mode.

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

        OK
        Noise occurs.

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here