Possible Causes
Malfunction is detected when an excessively high voltage is sent to ECM from EVAP-CSPS. Possible causes are:
- EVAP-CSPS circuit open or shorted.
- Defective EVAP-CSPS.
- Defective EVAP Canister Vent Control Valve (EVAP-CVCV).
- Defective EVAP canister.
- Defective water separator.
- Defective hose between EVAP-CVCV and water separator.
NOTE:
Before proceeding, ensure ambient temperature is more than 41°F (5°C).