Cylinder Identification Sensor

Measure the RPM signal at PCM pin No.56.

Readings:
- Hot Idle 730-830 RPM
- Driving 48 km/h (30 mph) 1360-1460 RPM (A/T)
- Driving 48 km/h (30 mph) 1140-1300 RPM (M/T)
- Driving 88 km/h (55 mph) 1580-1780 RPM (A/T)
- Driving 88 km/h (55 mph) 1680-1820 RPM (M/T)