Crankshaft Position Sensor (CKPS): Troubleshooting: Waveform

Fig 1: Identifying Crankshaft Position Sensor (CKPS) Waveform

Courtesy of KIA MOTORS AMERICA, INC.

Fig.1: The square wave signal should be smooth and without any distortion. Refer to "CKPS" and "CMPS" shown in Fig 1.

Fig.2,3: The CMPS falling (rising) edge is coincided with 3~5 tooth of the CKP from one longer signal (missing tooth). Refer to "Falling Edge" and "Rising Edge" shown in Fig 1.