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

WIRING DIAGRAM

B002KUTE01

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to precaution for audio and visual system.

Click here

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
    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
    OK
  3. CHECK RADIO RECEIVER ASSEMBLY


    1. B002HGS

      Remove 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
    OK
  4. INSPECT 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
      Proceed to
      OK
      NG

    NG
    OK
  5. CHECK NO. 1 ANTENNA CORD SUB-ASSEMBLY


    1. B002JBOC01
      *A w/ DAB Function
      *B w/o DAB Function
      *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)

      Remove the antenna connector from the radio receiver assembly.

    2. Remove 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
      w/ DAB Function
      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
      w/o DAB Function
      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
    OK
  6. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B002IHTC01
      *A w/ DAB Function
      *B w/o DAB Function
      *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)

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

    2. Remove 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
      w/ DAB Function
      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
      w/o DAB Function
      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
    OK
  7. 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)

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

    2. Remove 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
      Result Proceed to
      OK (Rear spoiler sub-assembly [radio antenna] malfunction) A
      OK (Window glass antenna wire [radio antenna] malfunction) B
      NG C

    B
    C
    A
  8. CHECK NO. 5 ANTENNA CORD SUB-ASSEMBLY


    1. B002ID2C01
      *a

      Front view of wire harness connector

      (to No. 4 Antenna Cord Sub-assembly)

      *b

      Front view of wire harness connector

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

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

    2. Remove the antenna connector from the rear spoiler sub-assembly (radio antenna).

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

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

    NG
    OK
  9. CHECK REAR SPOILER SUB-ASSEMBLY (RADIO ANTENNA)


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

      Click here

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

    OK
    NG
  10. CHECK NO. 5 ANTENNA CORD SUB-ASSEMBLY


    1. B002H3EC01
      *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])

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

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 1 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
      Result
      Proceed to
      OK
      NG

    NG
    OK
  11. INSPECT BACK DOOR GLASS (WINDOW GLASS ANTENNA WIRE)


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

      Click here

      Result
      Proceed to
      OK
      NG

    NG
    OK
  12. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY (RADIO ANTENNA)


    1. Replace the No. 1 amplifier antenna assembly.

      Click here

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

    OK
    NG