Probable Cause
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when excessively low voltage is sent to ECM from EVAP Control System Pressure Sensor (EVAP-CSPS). Possible causes are:
- EVAP-CSPS circuit open or shorted.
- Defective EVAP-CSPS.