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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 671 (Functional Description - Information & Entertainment Systems) >> Information & Entertainment System - Functional Description >> Functional description of USB test IMIBR2 >> Possible fault patterns during the load test >> Troubleshooting >> Line resistance too high during USB test

Line resistance too high during USB test

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Line Resistance Versus High USB Test Graph
G09841471Courtesy of BMW OF NORTH AMERICA, INC.

The curve progression on the green line (1) drops off significantly in the graphic that is displayed. (Voltage less than 3.9 V at 500 mA)

NOTE: With several USB devices, a voltage of around 4 V is not sufficient to guarantee the function. However, the vehicle is trouble-free! In this case, use a different USB device.
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