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

DESCRIPTION

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

WIRING DIAGRAM

A019NK1E05

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A019OSCE08
      Text in Illustration
      *a

      Component with harness connected

      (Multi-display Controller Sub-assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      P47-5 (VMT2) - Body ground

      RSE is playing

      → Source is changed

      Above 3.5 V

      → Below 1 V
      P47-4 (VMT1) - Body ground

      RSE is playing

      → Source is changed

      Above 3.5 V

      → Below 1 V

    NG

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

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

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


    1. Disconnect the P47 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
      P47-5 (VMT2) - a17-7 (MUT1) Always Below 1 Ω
      P47-4 (VMT1) - Z21-7 (VMTR) Always Below 1 Ω
      P47-5 (VMT2) - Body ground Always 10 kΩ or higher
      P47-4 (VMT1) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. Reconnect the P47 multi-display controller sub-assembly connector.

    2. A019KQYE06
      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)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      a17-7 (MUT1) - Body ground Display is operating Above 3.5 V
      Z21-7 (VMTR) - Body ground Display is operating Above 3.5 V

    NG

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    OK

    REPLACE TELEVISION DISPLAY ASSEMBLY Click here