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Home >> BMW >> 2017 >> i3 Range Extender >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Functional Description -- I3_I01 >> Functional description of USB test IMIBR2 >> Load test

Load test

Change to the <Load test>  in the lower part of the IMIB display.

Press <Start>  to start the test for load current and voltage.

During the test, the load current of the USB connection is increased in steps, and the voltage is measured at the USB connection at the same time. These values are shown illustrationally on the IMIB display and documented in the indication range.

G11149444Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The current status of the measurement is displayed and documented in the indication range.

In the following illustration the USB voltage is 4.92V  with a load current of 500mA  .

The green line shows the voltage curve during this load increase.

The red line (1) shows the current requested by the IMIB.

G09841470Courtesy of BMW OF NORTH AMERICA, INC.

The test finishes automatically after approx. 5 seconds.