Possible Causes
WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when an excessively low voltage signal from the sensor is sent to ECM. Possible causes are:
- Harness or connectors (sensor circuit is open or shorted).
- Defective EVAP control system pressure sensor.