NAVIGATION SYSTEM Navigation Voice Circuit

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.

WIRING DIAGRAM

B003LJFE02

CAUTION / NOTICE / HINT

Note

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

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PROCEDURE


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


    1. Disconnect the G44 navigation receiver assembly connector.

    2. Disconnect the N56 stereo component amplifier connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N56-15 (II1+) - G44-2 (RL+) Always Below 1 Ω
      N56-14 (II1-) - G44-6 (RL-) Always Below 1 Ω
      N56-15 (II1+) - Body ground Always 10 kΩ or higher
      N56-14 (II1-) - Body ground Always 10 kΩ or higher
      N56-18 (SLD1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR