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

DESCRIPTION

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

WIRING DIAGRAM

A01NFLVE01

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A01NCU0E02
      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
      P9-7 (MUT1) - Body ground RSE is playing → Source is changed Above 3.5 V → Below 1 V
      P9-8 (MUT2) - 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. A01NF19E08

      Disconnect the multi-display controller sub-assembly connector.

    2. A01NHJ2E13

      Disconnect the television display assembly LH connector.

    3. A01NHJ2E14

      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
      P9-8 (MUT2) - a17-5 (MUT2) Always Below 1 Ω
      P9-7 (MUT1) - Z21-5 (MUTE) Always Below 1 Ω
      P9-8 (MUT2) - Body ground Always 10 kΩ or higher
      P9-7 (MUT1) - 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. INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A01NHZLE03
      Text in Illustration
      *1

      Component with harness connected

      (to Television Display Assembly LH)
      *2

      Component with harness connected

      (to Television Display Assembly RH)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      a17-5 (MUT2) - Body ground RSE is playing Above 3.5 V
      Z21-5 (MUTE) - Body ground RSE is playing Above 3.5 V

    NG

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    OK

    REPLACE TELEVISION DISPLAY ASSEMBLY Click here