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NAVIGATION SYSTEM Radio Broadcast cannot be Received or Poor Reception

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DTC Code DTC Name
  Radio Broadcast cannot be Received or Poor Reception
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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 Navigation System (Click here).

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PROCEDURE


  1. Click here

    CHECK RADIO RECEIVER ASSEMBLY


    1. Check the radio automatic station search function.


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

        Result
        Result Proceed to
        Automatic station search function does not stop. A
        Automatic station search function stops on a station. B

  2. Click here

    CHECK OPTIONAL COMPONENTS


    1. Check if any optional components that may decrease reception capacity, such as sunshade film or a telephone antenna, are installed.

      Result
      Result Proceed to
      Optional components are not installed. A
      Optional components are installed. B
      Note:

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


    • AClick here
    • B

      REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

  3. Click here

    CHECK RADIO RECEIVER ASSEMBLY


    1. A0009F7

      Preparation for check


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

    2. Check for noise


      1. Turn the power switch on (ACC) with the radio receiver assembly connector connected.

      2. Turn the radio on and tune into AM mode.

      3. 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.

  4. Click here

    CHECK WINDOW GLASS ANTENNA WIRE


    1. A0005L0E14

      Check for continuity in the window glass antenna wire.

      Note:

      When cleaning the glass, wipe it in the direction of the wire with a soft dry cloth. Take care not to damage the wire. Do not use detergents or glass cleaners with abrasive ingredients. When measuring resistance, wrap a piece of tin foil around the tip of each probe and press the foil against the wire with your finger, as shown in the illustration.

      Tip:

      Check for continuity at the center of each antenna wire as shown in the illustration.

      OK
      There is continuity in the window glass antenna wire.
      Table 1. Text in Illustration
      *a Tester Probe
      *b Antenna Wire
      *c Tin Foil

  5. Click here

    INSPECT RADIO RECEIVER ASSEMBLY


    1. Disconnect the RA radio receiver assembly connector.

    2. A0006CHE02

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      RA-5 (ANT+) - Body ground

      Power switch on (ACC)

      Radio switch on and AM or FM selected

      		 11 to 14 V
      Table 2. Text in Illustration
      *a

      Component without harness connected

      (Radio Receiver Assembly)

  6. Click here

    REPLACE ANTENNA CORD SUB-ASSEMBLY


    1. Replace the antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally (Click here).

      OK
      Radio broadcasts can be received normally.

  7. Click here

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. Replace the No. 2 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally (Click here).

      OK
      Radio broadcasts can be received normally.

  8. Click here

    REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY


    1. Replace the No. 1 amplifier antenna assembly with a new or known good one and check if radio broadcasts can be received normally (Click here).

      OK
      Radio broadcasts can be received normally.

    • OK

      END

    • NG

      REPLACE RADIO RECEIVER ASSEMBLY (Click here)