REAR SEAT ENTERTAINMENT SYSTEM Sound Signal Circuit between Video Terminal and Television Display

DESCRIPTION

This is the sound signal circuit between the video terminal and television display assembly.

WIRING DIAGRAM


  1. for Roof

    A001DHDE07
    A001EQDE09

  2. for Center Console Side:

    A001EQDE10
    A001EQDE11

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL)


    • *1: for 4-passenger with Ottoman

    • *2: except 4-passenger with Ottoman


    1. for Roof:


      1. Disconnect the z24 television display assembly connector.

      2. Disconnect the Y7*1 or S93*2 rear console armrest base (video terminal) connector.

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

        Standard Resistance
        for 4-passenger with Ottoman
        Tester Connection Condition Specified Condition
        z24-14 (R+) - Y7-1 (VAR+) Always Below 1 Ω
        z24-16 (L+) - Y7-2 (VAL+) Always Below 1 Ω
        z24-15 (SGN3) - Y7-3 (VA-) Always Below 1 Ω
        z24-13 (SGN6) - Y7-7 (SG) Always Below 1 Ω
        z24-29 (ADPI) - Y7-8 (ADPG) Always Below 1 Ω
        z24-14 (R+) or Y7-1 (VAR+) - Body ground Always 10 kΩ or higher
        z24-16 (L+) or Y7-2 (VAL+) - Body ground Always 10 kΩ or higher
        z24-15 (SGN3) or Y7-3 (VA-) - Body ground Always 10 kΩ or higher
        z24-13 (SGN6) or Y7-7 (SG) - Body ground Always 10 kΩ or higher
        z24-29 (ADPI) or Y7-8 (ADPG) - Body ground Always 10 kΩ or higher
        except 4-passenger with Ottoman
        Tester Connection Condition Specified Condition
        z24-14 (R+) - S93-1 (VAR+) Always Below 1 Ω
        z24-16 (L+) - S93-2 (VAL+) Always Below 1 Ω
        z24-15 (SGN3) - S93-3 (VA-) Always Below 1 Ω
        z24-13 (SGN6) - S93-7 (SG) Always Below 1 Ω
        z24-29 (ADPI) - S93-8 (ADPG) Always Below 1 Ω
        z24-14 (R+) or S93-1 (VAR+) - Body ground Always 10 kΩ or higher
        z24-16 (L+) or S93-2 (VAL+) - Body ground Always 10 kΩ or higher
        z24-15 (SGN3) or S93-3 (VA-) - Body ground Always 10 kΩ or higher
        z24-13 (SGN6) or S93-7 (SG) - Body ground Always 10 kΩ or higher
        z24-29 (ADPI) or S93-8 (ADPG) - Body ground Always 10 kΩ or higher

    2. for Center Console Side:


      1. Disconnect the R87 television display assembly connector.

      2. Disconnect the Y7*1 or U4*2 rear console armrest base (video terminal) connector.

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

        Standard Resistance
        for 4-passenger with Ottoman
        Tester Connection Condition Specified Condition
        R87-14 (R+) - Y7-1 (VAR+) Always Below 1 Ω
        R87-16 (L+) - Y7-2 (VAL+) Always Below 1 Ω
        R87-15 (SGN3) - Y7-3 (VA-) Always Below 1 Ω
        R87-13 (SGN6) - Y7-7 (SG) Always Below 1 Ω
        R87-29 (ADPI) - Y7-8 (ADPG) Always Below 1 Ω
        R87-14 (R+) or Y7-1 (VAR+) - Body ground Always 10 kΩ or higher
        R87-16 (L+) or Y7-2 (VAL+) - Body ground Always 10 kΩ or higher
        R87-15 (SGN3) or Y7-3 (VA-) - Body ground Always 10 kΩ or higher
        R87-13 (SGN6) or Y7-7 (SG) - Body ground Always 10 kΩ or higher
        R87-29 (ADPI) or Y7-8 (ADPG) - Body ground Always 10 kΩ or higher
        except 4-passenger with Ottoman
        Tester Connection Condition Specified Condition
        R87-14 (R+) - U4-1 (VAR+) Always Below 1 Ω
        R87-16 (L+) - U4-2 (VAL+) Always Below 1 Ω
        R87-15 (SGN3) - U4-3 (VA-) Always Below 1 Ω
        R87-13 (SGN6) - U4-7 (SG) Always Below 1 Ω
        R87-29 (ADPI) - U4-8 (ADPG) Always Below 1 Ω
        R87-14 (R+) or U4-1 (VAR+) - Body ground Always 10 kΩ or higher
        R87-16 (L+) or U4-2 (VAL+) - Body ground Always 10 kΩ or higher
        R87-15 (SGN3) or U4-3 (VA-) - Body ground Always 10 kΩ or higher
        R87-13 (SGN6) or U4-7 (SG) - Body ground Always 10 kΩ or higher
        R87-29 (ADPI) or U4-8 (ADPG) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (HDMI CABLE)


    1. Replace the harness and connector (HDMI cable) with a new or known good one.

    2. Check if the same problem occurs again.

      OK
      Same problem does not occur.

    OK

    END (HDMI CABLE IS DEFECTIVE)

    NG

  3. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. Replace the multi-display controller sub-assembly with a new or known good one Click here.

    2. Check if the same problem occurs again.

      OK
      Same problem does not occur.

    OK

    END (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY IS DEFECTIVE)

    NG

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