Similar to the methods of measuring the controller, dismantle the big light part of
the vehicle, unplug the converter plug, measure whether the red line of the converter
are conducted with the green line or black line. If they are conducted, then the converter
has been burned out and needs to be changed
d. When the fault is ascertained, after debugging and switching, reconnect the battery
and open the electrical door lock, ascertain whether the vehicle is normal, test whether
the pressure of the charging port of the vehicle is normal
e. If the fuse is not fused, check whether the electrical door lock has been burned out,
dismantle the large lighting parts of the vehicle, unplug the electrical door lock plug,
turn the multimeter to buzzing, in the state where the electrical door lock is open,
measure whether the red line and the black line at the electrical door lock end are
conducted, if they are not conducted, it means that the electrical door lock is burned out
and needs to be switched
③ DC converter is burned out
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