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Home >> Toyota >> 2010 >> Prius PHV >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation (Diagnostic Codes & Circuit Tests) (PHV) >> Navigation System >> Circuit Test >> Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter >> Inspection Procedure >> Procedure
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Inspection Procedure: Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the L41 navigation receiver assembly connector.
    2. Disconnect the z19 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
      z19-4 (AUXO) - L41-19 (AUXI) Always Below 1 Ω
      z19-3 (ASGN) - L41-16 (ASGN) Always Below 1 Ω
      z19-2 (ARO) - L41-15 (ARI) Always Below 1 Ω
      z19-1 (ALO) - L41-17 (ALI) Always Below 1 Ω
      z19-5 (AGND) - L41-18 (AGND) Always Below 1 Ω
      z19-4 (AUXO) - Body ground Always 10 kΩ or higher
      z19-3 (ASGN) - Body ground Always 10 kΩ or higher
      z19-2 (ARO) - Body ground Always 10 kΩ or higher
      z19-1 (ALO) - Body ground Always 10 kΩ or higher
      z19-5 (AGND) - 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