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

WIRING DIAGRAM

B001IL2E03
*a Quarter Window Assembly (Window Glass Antenna Wire)
*b Holder Antenna Assembly
*c No. 2 Antenna Cord Sub-assembly
*d Radio and Display Receiver Assembly

CAUTION / NOTICE / HINT

Tech Tips

When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).

PROCEDURE


  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


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

      OK
      Automatic station search function stops on a station.

    OK

    USE SIMULATION METHOD TO CHECK Click here

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  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.

      OK
      Optional components are installed.

      Note

      Do not remove optional components without permission of the customer.


    OK

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

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  3. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. B001CNB

      Remove the antenna connector from the radio and display assembly.

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

    3. Turn on the radio and turn 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.

      OK
      Noise occurs.

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    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

  4. INSPECT QUARTER WINDOW ASSEMBLY (WINDOW GLASS ANTENNA WIRE)


    1. Inspect the quarter window assembly (window glass antenna wire) Click here.


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    REPAIR QUARTER WINDOW ASSEMBLY Click here

    OK

  5. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. Disconnect the RA radio and display assembly connector.

    2. B001H8LE01

      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 11 to 14 V

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

  6. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B001HDIE06
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio and Display Assembly)
      *b

      Front view of wire harness connector

      (to Holder Antenna Assembly)

      Disconnect the antenna connector from the radio and display assembly.

    2. Disconnect the antenna connector from the holder antenna assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      RA-3 (RMAIN2) - 3 Always Below 1 Ω
      RA-5 (ANT+) - 1 Always Below 1 Ω
      RA-3 (RMAIN2) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  7. CHECK HOLDER ANTENNA ASSEMBLY


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

      OK
      Radio broadcasts can be received.

    OK

    END (HOLDER ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here