{HEAD ~ a control unit} for setting a target motor current on the basis of at least the steering torque detected by {TAIL ~ said steering torque sensor} 
{ HEAD ~ a control unit } for setting a target motor current on the basis of at least the steering torque detected by { TAIL ~ said steering torque sensor }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL