AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) 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 optional components (sunshade 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.

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

        Note

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


    B

    CHECK RADIO RECEIVER ASSEMBLY Click here

    A

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

  3. CHECK RADIO RECEIVER ASSEMBLY


    1. A003U0K

      Preparation for check


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

    2. Check for noise


      1. Turn the power switch on (ACC) with the radio receiver assembly connector connected.

      2. Turn the radio on and tune into 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 can be heard from the speakers.

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  4. INSPECT RADIO RECEIVER ASSEMBLY


    1. A003TJLE17
      Text in Illustration
      *a

      Component without harness connected

      (Radio Receiver Assembly)

      Disconnect the radio receiver assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      RA1-5 (ANT+) - Body ground

      Power switch on (ACC)

      Radio switch on

      		 11 to 14 V

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  5. CHECK ANTENNA CORD


    1. Remove the antenna connector of the radio receiver assembly and antenna.

    2. Measure the resistance between the antenna cord and radio receiver assembly to check for an open circuit in the antenna cord.

      Standard Resistance
      Below 1 Ω

    3. Measure the resistance between the antenna cord and body ground to check for a short circuit in the antenna cord.

      Standard Resistance
      10 kΩ or higher

    NG

    REPLACE ANTENNA CORD Click here

    OK

  6. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


    1. Check that the antenna is securely installed.

      OK
      The antenna is installed properly.

    NG

    REINSTALL ROOF ANTENNA POLE SUB-ASSEMBLY

    OK

  7. REPLACE AMPLIFIER ANTENNA ASSEMBLY


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

      OK
      Radio broadcasts can be received.

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

    NORMAL OPERATION