NAVIGATION SYSTEM Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

DESCRIPTION

The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the navigation receiver assembly via this circuit.

WIRING DIAGRAM

B00249NE03
*a Radio Wire
*b No. 1 Stereo Jack Adapter Assembly
*c Navigation Receiver Assembly

CAUTION / NOTICE / HINT

Note

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

Click here

PROCEDURE


  1. CHECK RADIO WIRE


    1. Disconnect the a1 No. 1 stereo jack adapter assembly connector.

    2. B0028D8C04
      *a

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)
      *b

      Front view of wire harness connector

      (to Navigation Receiver Assembly)

      Disconnect the a3 navigation receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      a1-3 (US1+) - a3-3 (US1+) Always Below 1 Ω
      a1-2 (US1-) - a3-2 (US1-) Always Below 1 Ω
      a1-3 (US1+) - Body ground Always 10 kΩ or higher
      a1-2 (US1-) - 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

    REPLACE RADIO WIRE Click here