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Home >> Lexus >> 2015 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes & Symptom Tests >> Navigation System >> Circuit Tests >> Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [08/2014 - ] >> Procedure

Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [08/2014 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the H169 multi-media module receiver assembly connector.
    2. Disconnect the H170 No. 1 stereo jack adapter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY511079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Multi-media Module Receiver Assembly)
      *b Front view of wire harness connector
      (to No. 1 Stereo Jack Adapter Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      H169-2 (US1-) - H170-2 (US1-) Always Below 1 Ω
      H169-3 (US1+) - H170-3 (US1+) Always Below 1 Ω
      H169-5 (USG1) - H170-5 (USG1) Always Below 1 Ω
      H169-2 (US1-) - Body ground Always 10 kΩ or higher
      H169-3 (US1+) - Body ground Always 10 kΩ or higher
      H169-5 (USG1) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2014 - ]