NAVIGATION SYSTEM(for SD) 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 sound data signal or image data signal from a USB device to the navigation receiver assembly via this circuit.

WIRING DIAGRAM

E281004E15

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 RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

    1. Disconnect the G149*1 or G197*2 navigation receiver assembly connector.

      • *1: for RHD

        *2: for LHD

    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

      Table 1. for RHD:

      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
      Table 2. for LHD:

      Tester Connection

      Condition

      Specified Condition

      G197-2 (US1-) - G145-2 (UDO-)

      Always

      Below 1 Ω

      G197-3 (US1+) - G145-3 (UDO+)

      Always

      Below 1 Ω

      G197-2 (US1-) - Body ground

      Always

      10 kΩ or higher

      G197-3 (US1+) - 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