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Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostics & Symptom Tests >> Navigation System >> Circuit Tests >> Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [10/2015 - ] >> Procedure

Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [10/2015 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the K58 radio receiver assembly connector.
    2. Disconnect the K45 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
      K58-6 (VV+) - K45-8 (VV+) Always Below 1 Ω
      K58-14 (VV-) - K45-9 (VV-) Always Below 1 Ω
      K58-6 (VV+) or K45-8 (VV+) - Body ground Always 10 kΩ or higher
      K58-14 (VV-) or K45-9 (VV-) - Body ground Always 10 kΩ or higher
      K58-13 (SG) - 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 [10/2015 - 09/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2017 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR