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Navigation Voice Circuit [08/2017 - 08/2019]: Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) 
    1. Disconnect the H156 navigation receiver assembly connector.
    2. Disconnect the H162 stereo component amplifier assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H156-2 (RL+) - H162-15 (II1+) Always Below 1 Ω
      H156-6 (RL-) - H162-14 (II1-) Always Below 1 Ω
      H162-18 (SLD1) - Body ground Always 10 kΩ or higher
      H156-2 (RL+) - Body ground Always 10 kΩ or higher
      H156-6 (RL-) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2017 - 08/2019] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR