AUDIO AND VISUAL SYSTEM(for Radio and Display Type) Radio Broadcast cannot be Received or Poor Reception

PROCEDURE


  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


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

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

    Automatic station search function stops on a station

    USE SIMULATION METHOD TO CHECK Click here

    Automatic station search function does not stop

  2. CHECK OPTIONAL COMPONENTS


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

      Note

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

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

    Optional components are installed

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

    Optional components are not installed

  3. CHECK RADIO ANTENNA


    1. Remove the roof antenna pole sub-assembly from the amplifier antenna assembly.

      Click here

    2. Turn the ignition switch to ACC with the radio and display receiver assembly connector connected.

    3. Turn the radio on and tune into AM mode.

    4. Place a screwdriver, thin wire, or other metal object on the amplifier antenna threaded installation portion for the roof antenna pole sub-assembly and check that noise can be heard from the speakers.

      Result
      Proceed to
      Noise does not occur
      Noise occurs

    Noise occurs

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    Noise does not occur

  4. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. A00YU05

      Remove the antenna connector from the radio and display receiver assembly.

    2. Turn the ignition switch to ACC with the radio and display receiver assembly connector connected.

    3. Turn the radio on and tune into AM mode.

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

      Result
      Proceed to
      Noise can be heard from the speakers
      Noise cannot be heard from the speakers

    Noise cannot be heard from the speakers

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    Noise can be heard from the speakers

  5. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. Disconnect the RA radio and display receiver assembly connector.

    2. A00YUKWE31

      Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      5 (ANT+) - Body ground

      Ignition switch ACC

      Radio switch on and FM or AM selected

      		 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

  6. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. Replace the antenna cord sub-assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to
      Radio broadcasts can be received normally
      Radio broadcasts cannot be received normally

    Radio broadcasts can be received normally

    END (ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

    Radio broadcasts cannot be received normally

  7. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. Replace the No. 2 antenna cord sub-assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to
      Radio broadcasts can be received normally
      Radio broadcasts cannot be received normally

    Radio broadcasts can be received normally

    END (NO. 2 ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

    Radio broadcasts cannot be received normally

  8. CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. Replace the No. 3 antenna cord sub-assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to
      Radio broadcasts can be received normally
      Radio broadcasts cannot be received normally

    Radio broadcasts can be received normally

    END (NO. 3 ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

    Radio broadcasts cannot be received normally

  9. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


    1. Check that the roof antenna pole sub-assembly is securely installed.

      Click here

      Result
      Proceed to
      The roof antenna pole sub-assembly is installed properly
      The roof antenna pole sub-assembly is not installed properly

    The roof antenna pole sub-assembly is not installed properly

    REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY Click here

    The roof antenna pole sub-assembly is installed properly

  10. CHECK ANTENNA WITH HOLDER ASSEMBLY


    1. Replace the antenna with holder assembly and check if radio broadcasts can be received normally.

      Click here

      Result
      Proceed to
      Radio broadcasts can be received normally
      Radio broadcasts cannot be received normally

    Radio broadcasts can be received normally

    END (ANTENNA WITH HOLDER ASSEMBLY IS DEFECTIVE)

    Radio broadcasts cannot be received normally

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here