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

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
    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 installed A
      Optional components are not installed B

      Note

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


    A
    B
  3. CHECK RADIO RECEIVER ASSEMBLY


    1. A001U5N

      Preparation for check


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

    2. Check for noise


      1. Turn the ignition switch to ACC with the radio receiver assembly connectors connected.

      2. Turn the radio receiver assembly on and enter 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.
      Result
      Result
      OK
      NG

    NG
    OK
  4. INSPECT RADIO RECEIVER ASSEMBLY


    1. Disconnect the RA radio receiver assembly connector.

    2. A001SZ4C32
      *a

      Component without harness connected

      (Radio Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      RA-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
    OK
  5. REPLACE ANTENNA CORD SUB-ASSEMBLY


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

      Click here

      OK
      Radio broadcasts can be received normally.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  6. REPLACE 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

      OK
      Radio broadcasts can be received normally.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  7. REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. Replace the No. 3 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.

      Click here

      OK
      Radio broadcasts can be received normally.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  8. REPLACE ROOF ANTENNA ASSEMBLY


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

      Click here

      OK
      Radio broadcasts can be received normally.
      Result
      Proceed to
      OK
      NG

    OK
    NG