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NAVIGATION SYSTEM (for Navigation Receiver Type) Navigation Voice Circuit

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DTC Code DTC Name
  Navigation Voice Circuit
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DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on or an incoming cellular phone voice in the "Bluetooth" hands-free system is heard.

Using this circuit, the navigation receiver assembly sends the signals to the stereo component amplifier assembly.

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WIRING DIAGRAM

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INSPECTION PROCEDURE

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PROCEDURE


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    CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY- STEREO COMPONENT AMPLIFIER ASSEMBLY)


    1. Disconnect the H53 navigation receiver assembly connector.

    2. Disconnect the H63 stereo component amplifier connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H63-15 (II1+) - H53-2 (RL+) Always Below 1 Ω
      H63-14 (II1-) - H53-6 (RL-) Always Below 1 Ω
      H63-15 (II1+) - Body ground Always 10 kΩ or higher
      H63-14 (II1-) - Body ground Always 10 kΩ or higher
      H63-18 (SLD1) - Body ground Always 10 kΩ or higher

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    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

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    REPAIR OR REPLACE HARNESS OR CONNECTOR