NAVIGATION SYSTEM Visual Mute Signal Circuit between Navigation Receiver Assembly and Multi-display

DESCRIPTION

The multi-media module receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is inserted when the screen changes so that noise and distorted images are not displayed.

When an open exists in the circuit, noise and distorted images will be displayed instead of a black screen.

When a short exists in the circuit, even though the multi-display assembly is operating normally, noise and distorted images will be displayed (black screen will not be displayed) during screen changes or the black screen will always be displayed.

WIRING DIAGRAM

A01NMVQE75

INSPECTION PROCEDURE

Note


    w/ G-BOOK System:

  • When replacing the multi-media module receiver assembly or telematics transceiver, perform vehicle contract setting (w/ Telematics Transceiver) Click here.

  • When replacing the multi-media module receiver assembly, perform vehicle contract setting (w/o Telematics Transceiver) Click here.

PROCEDURE


  1. INSPECT MULTI-DISPLAY ASSEMBLY


    1. A01NJZCE23
      Text in Illustration
      *a

      Component with harness connected

      (Multi-display Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      G2-11 (VMT1) - Body ground Power switch on (ACC), screen display changes.

      3.5 V or higher

      → Below 1 V

      → 3.5 V or higher

    NG

    CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - MULTI-DISPLAY ASSEMBLY) Click here

    OK

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

  2. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - MULTI-DISPLAY ASSEMBLY)


    1. Disconnect the G2 multi-display assembly connector.

    2. Disconnect the G35 multi-media module receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G2-11 (VMT1) - G35-10 (VMTF) Always Below 1 Ω
      G2-11 (VMT1) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE MULTI-DISPLAY ASSEMBLY


    1. Replace the multi-display assembly and check if the navigation system operates normally Click here.

      OK
      The navigation system operates normally.

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    END