REAR SEAT ENTERTAINMENT SYSTEM Visual Mute Signal Circuit between Radio Receiver and Television Display

DESCRIPTION

This is the visual mute signal circuit from the multi-media module receiver assembly to the television display assembly.

WIRING DIAGRAM

A015AISE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. A015BY1E01
      Text in Illustration
      *a

      Component with harness connected

      (Multi-media Module Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F78-4 (VMTR) - Body ground RSE is playing → Source is changed 4 V or higher → Below 0.7 V → 4 V or higher

    NG

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


    1. Disconnect the F78 multi-media module receiver assembly connector.

    2. Disconnect the L53 television display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F78-4 (VMTR) - L53-17 (VMTR) Always Below 1 Ω
      F78-4 (VMTR) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. Disconnect the L53 television display assembly connector.

    2. A01554GE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Television Display Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L53-17 (VMTR) - Body ground Display is operating 4 V or higher

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    REPLACE TELEVISION DISPLAY ASSEMBLY Click here