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Sound Signal Circuit between Navigation Receiver Assembly and Television Display Assembly [08/2017 - 08/2019]: Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY) 
    1. Disconnect the H142 navigation receiver assembly connector.
    2. Disconnect the U13 television display assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H142-4 (CDL+) - U13-7 (L1+) Always Below 1 Ω
      H142-5 (CDL-) - U13-8 (L1-) Always Below 1 Ω
      H142-2 (CDR+) - U13-9 (R1+) Always Below 1 Ω
      H142-3 (CDR-) - U13-10 (R1-) Always Below 1 Ω
      U13-11 (SLD1) - Body ground Always Below 1 Ω
      H142-4 (CDL+) - Body ground Always 10 kΩ or higher
      H142-5 (CDL-) - Body ground Always 10 kΩ or higher
      H142-2 (CDR+) - Body ground Always 10 kΩ or higher
      H142-3 (CDR-) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

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

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR