In accordance therewith, an asymmetry in the motor current is ascertained by determining a deviation that indicates {HEAD ~ a change} in {TAIL ~ the motor current} during rotation of the rotor of the ECM 
in
In accordance therewith , an asymmetry in the motor current is ascertained by determining a deviation that indicates { HEAD ~ a change } in { TAIL ~ the motor current } during rotation of the rotor of the ECM
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH