NAVIGATION SYSTEM(for Radio and Display Type) 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 radio and display receiver assembly sends the signals to the stereo component amplifier assembly.

WIRING DIAGRAM

A01GAW4E01

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 (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)


    1. Disconnect the G142 radio and display receiver assembly connector.

    2. Disconnect the M32 stereo component amplifier connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      M32-15 (II1+) - G142-2 (RL+) Always Below 1 Ω
      M32-14 (II1-) - G142-6 (RL-) Always Below 1 Ω
      M32-15 (II1+) - Body ground Always 10 kΩ or higher
      M32-14 (II1-) - Body ground Always 10 kΩ or higher
      M32-18 (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