NAVIGATION SYSTEM(for HDD) Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

DTC Code DTC Name
Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

DESCRIPTION

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

WIRING DIAGRAM

E235206E08

PROCEDURE

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

    1. Disconnect the G149 navigation ECU sub-assembly 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

      G149-2 (UDO-) - G145-2 (UDO-)

      Always

      Below 1 Ω

      G149-3 (UDO+) - G145-3 (UDO+)

      Always

      Below 1 Ω

      G149-2 (UDO-) - Body ground

      Always

      10 kΩ or higher

      G149-3 (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