Possible Causes
WARNING: This page is about a different car, the 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when an excessively low voltage is sent to ECM from EVAP-CSPS. Possible causes are:
- EVAP-CSPS circuit open or shorted.
- Defective EVAP-CSPS.
NOTE:
Before proceeding, ensure ambient temperature is more than 41°F (5°C).