LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2018 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostics & Symptom Tests) >> Navigation System >> Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter (07/2015 - 08/2016) >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter (07/2015 - 08/2016): Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the H98 radio receiver assembly connector.
    2. Disconnect the H181 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
      H98-6 (VV+) - H181-8 (VV+) Always Below 1 Ω
      H98-14 (VV-) - H181-9 (VV-) Always Below 1 Ω
      H98-6 (VV+) - Body ground Always 10 kΩ or higher
      H98-14 (VV-) - Body ground Always 10 kΩ or higher
      H98-13 (SG) - Body ground Always 10 kΩ or higher

    Result:  OK

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE (07/2015 - 08/2016) )

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR