AUDIO AND VISUAL SYSTEM(for 8 Speakers) Radio Broadcast cannot be Received or Poor Reception

WIRING DIAGRAM

B002KUTE04
B002KUTE05

PROCEDURE


  1. CHECK RADIO RECEIVER ASSEMBLY


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

      OK
      Automatic station search function stops on a station.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

  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 not installed.

      Note

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

      Result
      Proceed to
      OK
      NG

    NG

    REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

    OK

  3. CHECK RADIO RECEIVER ASSEMBLY


    1. B002HGS

      Disconnect the antenna connector from the radio receiver assembly.

    2. Turn the power switch on (ACC) with the radio 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 receiver assembly antenna jack and check that noise can be heard from the speakers.

      OK
      Noise can be heard from the speakers.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  4. CHECK RADIO RECEIVER ASSEMBLY


    1. B002I9BE31

      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 Power switch on (ACC), radio switch on and FM or AM selected 11 to 14 V
      Result
      Result Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

    B

    CONFIRM MODEL Click here

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    A

  5. CHECK NO. 1 ANTENNA CORD SUB-ASSEMBLY


    1. B002IVYC01
      *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 antenna connector from the radio receiver assembly.

    2. Disconnect the antenna connector from the No. 2 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) - 3 Always Below 1 Ω
      RA-1 (SUB) - 4 Always Below 1 Ω
      RA-5 (ANT+) - 1 Always Below 1 Ω
      RA-3 (MAIN) - Body ground Always 10 kΩ or higher
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 1 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  6. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B002IHQC01
      *a

      Front view of wire harness connector

      (to No. 1 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 4 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 1 antenna cord sub-assembly.

    2. Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 1 Always Below 1 Ω
      4 - 2 Always Below 1 Ω
      1 - 3 Always Below 1 Ω
      3 - Body ground Always 10 kΩ or higher
      4 - Body ground Always 10 kΩ or higher
      1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 12 Click here

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

  7. CONFIRM MODEL


    1. Choose the model to be inspected.

      Model
      Model Proceed to
      w/ DAB Function A
      w/o DAB Function B

    B

    CHECK NO. 1 ANTENNA CORD SUB-ASSEMBLY Click here

    A

  8. CHECK NO. 1 ANTENNA CORD SUB-ASSEMBLY


    1. B002HKWC02
      *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 antenna connector from the radio receiver assembly.

    2. Disconnect the antenna connector from the No. 2 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) - 6 Always Below 1 Ω
      RA-1 (SUB) - 5 Always Below 1 Ω
      RA-5 (ANT+) - 4 Always Below 1 Ω
      RA-3 (MAIN) - Body ground Always 10 kΩ or higher
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 1 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  9. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B002HNTC01
      *a

      Front view of wire harness connector

      (to No. 1 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 4 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 1 antenna cord sub-assembly.

    2. Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      6 - 1 Always Below 1 Ω
      5 - 2 Always Below 1 Ω
      4 - 3 Always Below 1 Ω
      6 - Body ground Always 10 kΩ or higher
      5 - Body ground Always 10 kΩ or higher
      4 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 12 Click here

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

  10. CHECK NO. 1 ANTENNA CORD SUB-ASSEMBLY


    1. B002IVYC01
      *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 antenna connector from the radio receiver assembly.

    2. Disconnect the antenna connector from the No. 2 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) - 3 Always Below 1 Ω
      RA-1 (SUB) - 4 Always Below 1 Ω
      RA-5 (ANT+) - 1 Always Below 1 Ω
      RA-3 (MAIN) - Body ground Always 10 kΩ or higher
      RA-1 (SUB) - Body ground Always 10 kΩ or higher
      RA-5 (ANT+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 1 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  11. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B002IHQC01
      *a

      Front view of wire harness connector

      (to No. 1 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 4 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 1 antenna cord sub-assembly.

    2. Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 1 Always Below 1 Ω
      4 - 2 Always Below 1 Ω
      1 - 3 Always Below 1 Ω
      3 - Body ground Always 10 kΩ or higher
      4 - Body ground Always 10 kΩ or higher
      1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  12. CHECK NO. 4 ANTENNA CORD SUB-ASSEMBLY


    1. B002I21C01
      *a

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 5 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 2 antenna cord sub-assembly.

    2. Disconnect the antenna connector from the No. 5 antenna cord sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 1 Always Below 1 Ω
      2 - 2 Always Below 1 Ω
      3 - 3 Always Below 1 Ω
      1 - Body ground Always 10 kΩ or higher
      2 - Body ground Always 10 kΩ or higher
      3 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  13. CHECK NO. 5 ANTENNA CORD SUB-ASSEMBLY


    1. B002L08C01
      *a

      Front view of wire harness connector

      (to No. 4 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 1 Amplifier Antenna Assembly [Radio Antenna])
      *c

      Front view of wire harness connector

      (to Rear Spoiler Sub-assembly [Radio Antenna])

      Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.

    2. Disconnect the antenna connector from the No. 1 amplifier antenna assembly (radio antenna).

    3. Disconnect the antenna connector from the rear spoiler sub-assembly (radio antenna).

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-1 - C-3 Always Below 1 Ω
      A-2 - B-1 Always Below 1 Ω
      A-3 - B-3 Always Below 1 Ω
      A-3 - C-2 Always Below 1 Ω
      A-1 - Body ground Always 10 kΩ or higher
      A-2 - Body ground Always 10 kΩ or higher
      A-3 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 5 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  14. INSPECT BACK DOOR GLASS (WINDOW GLASS ANTENNA WIRE)


    1. Inspect back door glass (window glass antenna wire).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  15. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY (RADIO ANTENNA)


    1. Replace the No. 1 amplifier antenna assembly.

      Click here

    2. Check if radio broadcasts can be received normally.

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

    OK

    END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

  16. CHECK REAR SPOILER SUB-ASSEMBLY (RADIO ANTENNA)


    1. Replace the rear spoiler sub-assembly (radio antenna).

      Click here

    2. Check if radio broadcasts can be received normally.

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

    OK

    END (REAR SPOILER SUB-ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here