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

WIRING DIAGRAM

A004SFPE06
A004SFPE07
A004R34E03
A004STKE03

CAUTION / NOTICE / HINT

Note

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections Click here.

PROCEDURE


  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. Check the radio automatic station search function.


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

        OK
        The radio automatic station search function works properly.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK OPTIONAL COMPONENTS


    1. Check if any optional components, such as a telephone antenna, are installed.

      OK
      Optional components are installed.

      Note

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


    OK

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

    NG

  3. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. A004SEV

      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 on the radio and turn into AM mode.

    4. Place the tip of a screwdriver against the metal terminal of the radio and display receiver assembly and check that noise is heard from the speaker.

      OK
      Noise occurs.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

  4. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. A004MKOE07

      Disconnect the RA radio and display 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

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

  5. CHECK VEHICLE TYPE (WINDOW GLASS ANTENNA WIRE)


    1. Check the vehicle type.

      Result
      Result Proceed to
      for Sedan A
      for Wagon B

    B

    CHECK ROOF ANTENNA POLE SUB-ASSEMBLY Click here

    A

  6. CHECK BACK WINDOW GLASS (WINDOW GLASS ANTENNA WIRE)


    1. Check the back window glass (window glass antenna wire) Click here.


    NG

    REPAIR BACK WINDOW GLASS (WINDOW GLASS ANTENNA WIRE) Click here

    OK

  7. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. A004Q6UE02
      Text in Illustration
      *A w/ DAB Function
      *B w/o DAB Function
      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)
      *b

      Front view of wire harness connector

      (to No. 1 Amplifier Antenna Assembly)

      Disconnect the antenna connector from the radio and display receiver assembly.

    2. Disconnect the antenna connector from the No. 1 amplifier antenna assembly.

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

      Standard Resistance
      w/ DAB Function
      Tester Connection Condition Specified Condition
      RA-1 (SUB) - 6 Always Below 1 Ω
      RA-3 (MAIN) - 5 Always Below 1 Ω
      RA-5 (ANT+) - 4 Always Below 1 Ω
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      RA-3 (MAIN) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher
      w/o DAB Function
      Tester Connection Condition Specified Condition
      RA-1 (SUB) - 2 Always Below 1 Ω
      RA-3 (MAIN) - 3 Always Below 1 Ω
      RA-5 (ANT+) - 1 Always Below 1 Ω
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      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

  8. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY


    1. Replace the No. 1 amplifier antenna assembly and check if radio broadcasts can be received normally Click here.

      OK
      Radio broadcasts can be received normally.

    OK

    END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

  9. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


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

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

    NG

    REINSTALL ROOF ANTENNA POLE SUB-ASSEMBLY

    OK

  10. CHECK QUARTER WINDOW ASSEMBLY RH (WINDOW GLASS ANTENNA WIRE)


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


    NG

    REPAIR QUARTER WINDOW ASSEMBLY RH (WINDOW GLASS ANTENNA WIRE) Click here

    OK

  11. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. A004Q6UE02
      Text in Illustration
      *A w/ DAB Function
      *B w/o DAB Function
      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)
      *b

      Front view of wire harness connector

      (to No. 1 Amplifier Antenna Assembly)

      Disconnect the antenna connector from the radio and display receiver assembly.

    2. Disconnect the antenna connector from the No. 1 amplifier antenna sub-assembly.

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

      Standard Resistance
      w/ DAB Function
      Tester Connection Condition Specified Condition
      RA-1 (SUB) - 6 Always Below 1 Ω
      RA-3 (MAIN) - 5 Always Below 1 Ω
      RA-5 (ANT+) - 4 Always Below 1 Ω
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      RA-3 (MAIN) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher
      w/o DAB Function
      Tester Connection Condition Specified Condition
      RA-1 (SUB) - 2 Always Below 1 Ω
      RA-3 (MAIN) - 3 Always Below 1 Ω
      RA-5 (ANT+) - 1 Always Below 1 Ω
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      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

  12. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY


    1. A004RFME02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to Digital Audio Broadcasting Amplifier Assembly)

      w/ DAB Function:


      1. Disconnect the antenna connector from the antenna cord sub-assembly.

      2. Disconnect the antenna connector from the digital audio broadcasting antenna assembly.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        5 - 2 Always Below 1 Ω
        4 - 3 Always Below 1 Ω
        5 - Body ground Always 10 kΩ or higher
        4 - Body ground Always 10 kΩ or higher
    2. A004Q8SE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 2 Amplifier Antenna Assembly)

      w/o DAB Function:


      1. Disconnect the antenna connector from the antenna cord sub-assembly.

      2. Disconnect the antenna connector from the No. 2 amplifier antenna assembly.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        3 - 1a Always Below 1 Ω
        1 - 1b Always Below 1 Ω
        3 - Body ground Always 10 kΩ or higher
        1 - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (w/ DAB Function) A
      OK (w/o DAB Function) B
      NG C

    B

    CHECK NO. 2 AMPLIFIER ANTENNA ASSEMBLY Click here

    C

    REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY

    A

  13. CHECK DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY


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

      OK
      Radio broadcasts can be received normally.

    OK

    END (DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    CHECK ROOF ANTENNA POLE SUB-ASSEMBLY Click here

  14. CHECK NO. 2 AMPLIFIER ANTENNA ASSEMBLY


    1. Replace the No. 2 amplifier antenna assembly and check if radio broadcasts can be received normally Click here.

      OK
      Radio broadcasts can be received normally.

    OK

    END (NO. 2 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

  15. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


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

      OK
      Radio broadcasts can be received normally.

    OK

    END (ROOF ANTENNA POLE SUB-ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here