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AUDIO AND VISUAL SYSTEM(for Radio and Display Type) Mute Signal Circuit between Radio Receiver and Telematics Transceiver

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DTC Code DTC Name
  Mute Signal Circuit between Radio Receiver and Telematics Transceiver
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DESCRIPTION

telematics transceiver sends a mute signal to the radio and display receiver assembly.

The radio and display receiver assembly controls the volume according to the mute signal from the telematics transceiver.

Table 1. *1 MUTE *2 Radio and Display Receiver Assembly *3 Telematics Transceiver
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

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

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  • 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.

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PROCEDURE


  1. Click here

    INSPECT TELEMATICS TRANSCEIVER


    1. B0027PNC47
      *a

      Component with harness connected

      (Telematics Transceiver)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      G130-17 (MUTE) - Body ground

      Ignition switch ACC

      Audio system playing

      → Emergency call mode

      3.5 V or higher

      → Below 1 V
      Result
      Proceed to
      OK
      NG

  2. Click here

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)


    1. Disconnect the G40 radio and display receiver assembly connector.

    2. Disconnect the G130 telematics transceiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G40-8 (TMUT) - G130-17 (MUTE) Always Below 1 Ω
      G40-8 (TMUT) or G130-17 (MUTE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. Reconnect the G40 radio and display receiver assembly connector.

    2. B0027P9C39
      *a

      Front view of wire harness connector

      (to Telematics Transceiver)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G130-17 (MUTE) - Body ground Ignition switch ACC 3.5 V or higher
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE TELEMATICS TRANSCEIVERClick here

    • NG

      REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLYClick here