Possible Causes
WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when:
- CKP sensor signal is not detected by ECM during first few seconds of engine cranking.
- Proper pulse signal from CKP sensor is not sent to ECM while engine is running.
- CKP sensor signal is not normal during engine running.
Possible causes are:
- CKP sensor circuit open or shorted.
- Defective CKP sensor.
- Defective signal plate.