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Display Signal Circuit between Video Terminal and Television Display [08/2015 - 08/2019]: Procedure

  1. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO [VIDEO ADAPTER] TERMINAL) 
    1. Disconnect the U13 television display assembly connector.
    2. Disconnect the S5 video (video adapter) terminal connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      U13-18 (ADPI) - S5-8 (ADPG) Always Below 1 Ω
      U13-24 (VD) - S5-5 (VV+) Always Below 1 Ω
      U13-25 (VG) - S5-6 (VV-) Always Below 1 Ω
      U13-23 (SGN5) - S5-7 (SG) Always Below 1 Ω
      U13-18 (ADPI) - Body ground Always 10 kΩ or higher
      U13-24 (VD) - Body ground Always 10 kΩ or higher
      U13-25 (VG) - Body ground Always 10 kΩ or higher
      U13-23 (SGN5) - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK VIDEO (VIDEO ADAPTER) TERMINAL 
    1. Remove the video (video adapter) terminal connector still connected (Refer to DISASSEMBLY [08/2015 - 08/2019] ).
      GTY608682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using an oscilloscope, check the waveform.
      MEASUREMENT CONDITION

      Item Content
      Terminal No. (Symbol) S5-5 (VV+) - Body ground
      Tool Setting 0.2 V/DIV., 0.2 μs./DIV.
      Condition External device playing, VTR displayed

      OK

      Waveform is as shown in the illustration.

      TEXT IN ILLUSTRATION

      *a Component with harness connected
      (Video [Video Adapter] Terminal)

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

    Result: 

    NG 

    REPLACE VIDEO (VIDEO ADAPTER) TERMINAL 

    (Refer to DISASSEMBLY [08/2015 - 08/2019] )