NAVIGATION SYSTEM(for Radio and Display Type) 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

E294736E04

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 G198*1 or G199*2 navigation ECU 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

      G198-2 (UDO-) - G145-2 (UDO-)

      Always

      Below 1 Ω

      G198-3 (UDO+) - G145-3 (UDO+)

      Always

      Below 1 Ω

      G198-2 (UDO-) - Body ground

      Always

      10 kΩ or higher

      G198-3 (UDO+) - Body ground

      Always

      10 kΩ or higher
      Table 2. for LHD:

      Tester Connection

      Condition

      Specified Condition

      G199-2 (US1-) - G145-2 (UDO-)

      Always

      Below 1 Ω

      G199-3 (US1+) - G145-3 (UDO+)

      Always

      Below 1 Ω

      G199-2 (US1-) - Body ground

      Always

      10 kΩ or higher

      G199-3 (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