Crankshaft Position Sensor

Using test harness, or backprobing, connect lab scope pick-up to CKP sensor connector terminal No. 2. Start engine. Compare waveform to normal waveform. See Fig 1, Fig 2 or Fig 3 . Waveform frequency should increase as engine speed is increased.

Fig 1: Identifying Normal CKP Sensor & CMP Sensor Waveforms (Diamante)

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Fig 2: Identifying Normal CKP Sensor & CMP Sensor Waveforms (Eclipse 2.4L, Eclipse Spyder 2.4L, Galant 2.4L, Lancer, Lancer Evolution VIII & Outlander)

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Fig 3: Identifying Normal CKP Sensor & CMP Sensor Waveforms (Eclipse 3.0L, Eclipse Spyder 3.0L, Galant 3.0L, Montero & Montero Sport)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.