Scoupe L4-1468cc 1.5L SOHC (8 VALVE) (1991)
#1 TDC Sensing System
No.1 Cylinder TDC Signal:
Top dead center is detected by the signal obtained through the one inner slit of the disc. The ECU, based upon this signal, determines which of the four
pulses from crank angle sensor is the signal for the #1 cylinder.
Crank Angle Sensing System