REAR SEAT ENTERTAINMENT SYSTEM Visual Mute Signal Circuit between Navigation ECU and Television Display

DESCRIPTION

This is the visual mute signal circuit from the display and navigation module display to the television display assembly.

WIRING DIAGRAM

A009AO7E12

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK TELEVISION DISPLAY ASSEMBLY


    1. A009AECE20
      Text in Illustration
      *a

      Component with harness connected

      (Television Display Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      W14-9 (VMTR) - Body ground RSE playing → Source changed 4 V or higher → Below 0.7 V → 4 V or higher

    NG

    CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - TELEVISION DISPLAY) Click here

    OK

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

  2. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - TELEVISION DISPLAY)


    1. Disconnect the H2 display and navigation module display connector.

    2. Disconnect the W14 television display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H2-4 (VMTR) - W14-9 (VMTR) Always Below 1 Ω
      H2-4 (VMTR) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Click here