LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> NX 300h >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System (Except 8 Speakers) - Circuit Tests & Symptom Tests >> AUDIO AND VISUAL SYSTEM (except 8 Speakers) >> Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [10/2014 - 09/2017] >> Procedure

Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [10/2014 - 09/2017]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the I99 radio receiver assembly connector.
    2. Disconnect the I103 No. 1 stereo jack adapter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I99-2 (US1-) - I103-2 (US1-) Always Below 1 Ω
      I99-3 (US1+) - I103-3 (US1+) Always Below 1 Ω
      I99-5 (USG1) - I103-5 (USG1) Always Below 1 Ω
      I99-2 (US1-) or I103-2 (US1-) - Body ground Always 10 kΩ or higher
      I99-3 (US1+) or I103-3 (US1+) - Body ground Always 10 kΩ or higher
      I99-5 (USG1) or I103-5 (USG1) - 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 [10/2014 - 09/2016]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2016 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR