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

WIRING DIAGRAM

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A01DVT3E01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK IF RADIO AUTO-SEARCH FUNCTIONS PROPERLY


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

      OK
      Automatic station search function stops on a station.

    NG

    CHECK OPTIONAL COMPONENTS Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  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.


    NG

    CHECK RADIO ANTENNA Click here

    OK

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

  3. CHECK RADIO ANTENNA


    1. for 2 Speakers:


      1. Remove the antenna with holder assembly from the antenna cord sub-assembly Click here.

    2. except 2 Speakers:


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

    3. Turn the ignition switch to ACC with the radio receiver assembly connector connected.

    4. Place a screwdriver, thin wire or other metal object on the amplifier antenna threaded installation position for the antenna with holder assembly (for 2 Speakers) or roof antenna pole sub-assembly (except 2 Speakers), and check that noise can be heard from the speakers.

      OK
      Noise occurs.

    NG

    CHECK RADIO RECEIVER ASSEMBLY (ANTENNA) Click here

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

  4. CHECK RADIO RECEIVER ASSEMBLY (ANTENNA)

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

    2. Turn the ignition switch to ACC with the radio receiver 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 receiver assembly antenna jack and check that noise can be heard from the speakers.

      OK
      Noise occurs.

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  5. INSPECT RADIO RECEIVER ASSEMBLY


    1. A01DXXME01

      Disconnect the RA radio receiver assembly connector.

    2. 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
      Result Proceed to
      OK (for 2 Speakers) A
      OK (except 2 Speakers) B
      NG C

    B

    CHECK ANTENNA CORD SUB-ASSEMBLY Click here

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    A

  6. CHECK ANTENNA CORD SUB-ASSEMBLY


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

      OK
      Radio broadcasts can be received normally.

    NG

    CHECK ANTENNA WITH HOLDER ASSEMBLY Click here

    OK

    END (ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

  7. CHECK ANTENNA WITH HOLDER ASSEMBLY


    1. Check that the antenna with holder assembly is securely installed.

      OK
      The antenna with holder assembly is installed properly.

    NG

    REINSTALL ANTENNA WITH HOLDER ASSEMBLY Click here

    OK

  8. CHECK ANTENNA WITH HOLDER ASSEMBLY


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

      OK
      Radio broadcasts can be received normally.

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

    END (ANTENNA WITH HOLDER ASSEMBLY IS DEFECTIVE)

  9. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. A01DWKRE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)
      *b

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)

      Disconnect the radio receiver assembly connector.

    2. Remove the antenna connector from the antenna cord sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      RA-3 (MAIN) - 2 Always Below 1 Ω
      RA-5 (ANT+) - 3 Always Below 1 Ω
      RA-3 (MAIN) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  10. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. A01DW60E01
      Text in Illustration
      *a

      Front view of wire harness connector

      to Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to Antenna with Holder Assembly)

      Remove the antenna connector from the antenna cord sub-assembly.

    2. Remove the antenna connector from the antenna with holder assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 2 Always Below 1 Ω
      3 - 3 Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher
      3 - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  11. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


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

      OK
      The roof antenna pole sub-assembly is installed properly.

    NG

    REINSTALL ROOF ANTENNA POLE SUB-ASSEMBLY Click here

    OK

  12. CHECK ANTENNA WITH HOLDER ASSEMBLY


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

      OK
      Radio broadcasts can be received normally.

    NG

    CHECK ROOF ANTENNA POLE SUB-ASSEMBLY Click here

    OK

    END (ANTENNA WITH HOLDER ASSEMBLY IS DEFECTIVE)

  13. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


    1. Replace the roof antenna pole sub-assembly and check if radio broadcasts can be received normally Click here.

      OK
      Radio broadcasts can be received normally.

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

    END (ROOF ANTENNA POLE SUB-ASSEMBLY IS DEFECTIVE)