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REAR SEAT ENTERTAINMENT SYSTEM Mute Signal Circuit between Multi-display Controller and Television Display Assembly

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DTC Code DTC Name
  Mute Signal Circuit between Multi-display Controller and Television Display Assembly
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DESCRIPTION

This is the mute signal circuit from the multi-display controller sub-assembly to the television display assembly.

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WIRING DIAGRAM

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INSPECTION PROCEDURE

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PROCEDURE


  1. Click here

    INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A019NYBE07

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      P46-6 (MUT2) - Body ground

      RSE is playing

      → Source is changed

      Above 3.5 V

      → Below 1 V
      P46-2 (MUT1) - Body ground

      RSE is playing

      → Source is changed

      Above 3.5 V

      → Below 1 V
      Table 1. Text in Illustration
      *a

      Component with harness connected

      (Multi-display Controller Sub-assembly)

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    CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)


    1. Disconnect the P46 multi-display controller sub-assembly connector.

    2. Disconnect the a17 television display assembly LH connector.

    3. Disconnect the Z21 television display assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P46-6 (MUT2) - a17-5 (MUT2) Always Below 1 Ω
      P46-2 (MUT1) - Z21-5 (MUTE) Always Below 1 Ω
      P46-6 (MUT2) - Body ground Always 10 kΩ or higher
      P46-2 (MUT1) - Body ground Always 10 kΩ or higher

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    INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. Reconnect the P46 multi-display controller sub-assembly connector.

    2. A019KQYE05

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      a17-5 (MUT2) - Body ground RSE is playing Above 3.5 V
      Z21-5 (MUTE) - Body ground RSE is playing Above 3.5 V
      Table 2. Text in Illustration
      *a

      Front view of wire harness connector

      (to Television Display Assembly LH)
      *b

      Front view of wire harness connector

      (to Television Display Assembly RH)

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    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLYClick here

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    REPLACE TELEVISION DISPLAY ASSEMBLYClick here