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

E281004E26

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 HARNESS AND CONNECTOR (NAVIGATION ECU - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

    1. Disconnect the H117 navigation ECU connector.

    2. Disconnect the H104 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

      H117-2 (US1-) - H104-2 (UDO-)

      Always

      Below 1 Ω

      H117-3 (US1+) - H104-3 (UDO+)

      Always

      Below 1 Ω

      H117-2 (US1-) - Body ground

      Always

      10 kΩ or higher

      H117-3 (US1+) - Body ground

      Always

      10 kΩ or higher

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    (Click here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR