Where is code 320 where is it on engine

P0320-ignition/distributor engine speed input circuit malfunction possible causes=faulty ignition/distributor engine speed sensor--faulty,failing crankshaft position sensor--ignition/dist. engine speed sensor poor connection,harness short or damaged ---low battery charge---problem with engine control module [ecm] theirs not one simple location or part for this code

Ignition failure sensor, follow wiring from coils around back of cylinder headto a black "chip" looking thing bolted to the black steel bracket.