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

  1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY) 
    1. Disconnect the U13 television display assembly connector.
    2. Disconnect the H203 radio and display receiver assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      U13-7 (L1+) - H203-7 (CDL+) Always Below 1 Ω
      U13-8 (L1-) - H203-8 (CDL-) Always Below 1 Ω
      U13-9 (R1+) - H203-9 (CDR+) Always Below 1 Ω
      U13-10 (R1-) - H203-10 (CDR-) Always Below 1 Ω
      U13-7 (L1+) - Body ground Always 10 kΩ or higher
      U13-8 (L1-) - Body ground Always 10 kΩ or higher
      U13-9 (R1+) - Body ground Always 10 kΩ or higher
      U13-10 (R1-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR