LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System (With Navigation System) (Diagnostic Codes & Symptom Tests) >> AUDIO AND VISUAL SYSTEM (w/ Navigation System) >> Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [08/2015 - 08/2021] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [08/2015 - 08/2021]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the H12 multi-media module receiver assembly connector.
    2. Disconnect the H30 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
      H12-6 (VV+) - H30-8 (VV+) Always Below 1 Ω
      H12-14 (VV-) - H30-9 (VV-) Always Below 1 Ω
      H12-6 (VV+) - Body ground Always 10 kΩ or higher
      H12-14 (VV-) - Body ground Always 10 kΩ or higher
      H12-13 (SG) - 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] , or refer to PROBLEM SYMPTOMS TABLE [08/2019 - 08/2021] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR