{TAIL ~ An angular position detector} generates a reference position signal representative of a predetermined crank angle of each engine cylinder in {HEAD ~ synchronism} with the rotation of an internal combustion engine 
{ TAIL ~ An angular position detector } generates a reference position signal representative of a predetermined crank angle of each engine cylinder in { HEAD ~ synchronism } with the rotation of an internal combustion engine
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH