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5.5 BMS RESET
The Battery Management System (BMS) allows the scan tool to
evaluate the battery charge state, monitor the close-circuit
current, register the battery replacement, and activate the rest
state of the vehicle.
This function enables you to perform a resetting operation on the
monitoring unit of the vehicle battery, in which the original low
battery fault information will be cleared and battery matching will
be done.
Battery matching must be performed in the following cases:
⚫ The main battery is replaced. Battery matching must be
performed to clear original low battery information and
prevent the related control module from detecting false
information. If the related control module detects false
information, it will invalidate some electric auxiliary functions,
such as automatic start & stop function, sunroof without one-
key trigger function, power window without automatic
function.
⚫ Battery matching is performed to re-match the control module
and motoring sensor to detect battery power usage more
accurately, which can avoid an error message displayed on the
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