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 instrument cluster.
The operation guidelines of the BMS Reset function are
shown as below:
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