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 ECM receives an excessively low or high voltage from knock sensor. Possible causes are:
- Knock sensor circuit open or shorted.
- Defective knock sensor.