720° Interval Difference Method (DDNCYL0)

Fig 1: 720° Interval Difference Method (DDNCYL0)

Courtesy of SUBARU OF AMERICA, INC.

1. DDNCYL4 = (MNX 4 - MNX 5) - (MNX 8 - MNX 9) </=Threshold value
2. DDNCYL0 = (MNX 0 - MNX 1) - (MNX 4 - MNX 5) >/= Threshold value

Judge misfire when the (1) and (2) above are completed.