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Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [12/2019 - 10/2022]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the H100 radio and display receiver assembly connector.
    2. Disconnect the H15 No. 1 stereo jack adapter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY871711Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Radio and Display Receiver Assembly)
      *b Front view of wire harness connector
      (to No. 1 Stereo Jack Adapter Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      H100-2 (US1-) - H15-9 (UDO-) Always Below 1 Ω
      H100-3 (US1+) - H15-10 (UDO+) Always Below 1 Ω
      H100-5 (USG1) - H15-12 (UJSS) Always Below 1 Ω
      H100-2 (US1-) or H15-9 (UDO-) - Body ground Always 10 kΩ or higher
      H100-3 (US1+) or H15-10 (UDO+) - Body ground Always 10 kΩ or higher
      H100-5 (USG1) or H15-12 (UJSS) - 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 [12/2019 - 10/2022] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR