REAR SEAT ENTERTAINMENT SYSTEM Visual Mute Signal Circuit between Navigation ECU and Multi-display Controller

DESCRIPTION

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

WIRING DIAGRAM

A01NFNWE02

INSPECTION PROCEDURE

Note

When replacing the display and navigation module display or telematics transceiver, perform vehicle contract setting (w/ G-BOOK System) Click here.

PROCEDURE


  1. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY


    1. A01NE24E01
      Text in Illustration
      *1

      Component with harness connected

      (Display and Navigation Module Display)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      G6-4 (VMTR) - Body ground RSE is playing → Source is changed Above 3.5 V → Below 1 V

    NG

    CHECK HARNESS AND CONNECTOR Click here

    OK

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

  2. CHECK HARNESS AND CONNECTOR


    1. A01NHO9E11

      Disconnect the display and navigation module display connector.

    2. A01NHBAE07

      Disconnect the multi-display controller sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G6-4 (VMTR) - G16-11 (VMTR) Always Below 1 Ω
      G6-4 (VMTR) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Display and Navigation Module Display)
      *2

      Front view of wire harness connector

      (to Multi-display Controller Sub-assembly)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY


    1. A01NHBAE10
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Multi-display Controller Sub-assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      G16-11 (VMTR) - Body ground Display is operating Above 3.5 V

    NG

    REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Click here

    OK

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here