{HEAD ~ Control unit} sets a target motor current on {TAIL ~ the basis} of at least the steering torque detected by the steering torque sensor 
{ HEAD ~ Control unit } sets a target motor current on { TAIL ~ the basis } of at least the steering torque detected by the steering torque sensor
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH