System Description
WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
The CKP sensor located on the cylinder block consists of the signal generator (magnetic sensor) and sensor plate (fixed to crankshaft).
The signal generator generates reference signal through slits in the sensor plate which turns together with the crankshaft.