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

A01NFLVE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A01NCU0E01
      Text in Illustration
      *1

      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
      P9-4 (VMT2) - Body ground RSE is playing → Source is changed Above 3.5 V → Below 1 V
      P9-20 (VMT1) - Body ground RSE is playing → Source is changed Above 3.5 V → Below 1 V

    NG

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


    1. A01NF19E09

      Disconnect the multi-display controller sub-assembly connector.

    2. A01NHJ2E15

      Disconnect the television display assembly LH connector.

    3. A01NHJ2E16

      Disconnect the 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
      P9-4 (VMT2) - a17-7 (MUT1) Always Below 1 Ω
      P9-20 (VMT1) - Z21-7 (VMTR) Always Below 1 Ω
      P9-4 (VMT2) - Body ground Always 10 kΩ or higher
      P9-20 (VMT1) - Body ground Always 10 kΩ or higher
      Text in illustration
      *1

      Front view of wire harness connector

      (to Multi-display Controller Sub-assembly)
      *2

      Front view of wire harness connector

      (to Television Display Assembly LH)
      *3

      Front view of wire harness connector

      (to Television Display Assembly RH)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A01NHZLE01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Television Display Assembly LH)
      *2

      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