NAVIGATION SYSTEM Data Signal Circuit between Stereo Jack Adapter and Extension Module

DTC Code DTC Name
Data Signal Circuit between Stereo Jack Adapter and Extension Module

DESCRIPTION

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

WIRING DIAGRAM

E294736E07

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 ECU - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

    1. Disconnect the G197 navigation ECU connector.

    2. Disconnect the G145 No. 1 stereo jack adapter assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G197-2 (UDO-) - G145-2 (UDO-)

      Always

      Below 1 Ω

      G197-3 (UDO+) - G145-3 (UDO+)

      Always

      Below 1 Ω

      G197-2 (UDO-) - Body ground

      Always

      10 kΩ or higher

      G197-3 (UDO+) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR