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

DTC Code DTC Name
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. E159266

      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. E188455E31

      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