Canister Purge Control Valve: Testing and Inspection

Canister Close Valve




The canister close valve is an ON/OFF type which controls the inner pressure of fuel tank caused by fuel evaporation. It is used to close the evaporative system and to observe tank pressure respectively with the fuel tank pressure sensor.

Circuit Diagram:

Harness Inspection (Step 1 - 2):

VALVE INSPECTION




1. Connect the CCV pins to a wire as shown.
2. At idle, disconnect the CCV connector.
3. Inspect that CCV is close when attaching the wire to (-) of battery.
4. Inspect that CCV is open when detaching the wire from (-) of battery.






NOTE: In this case, if you use a very thin paper and attach it to hose to CCV, you can check easy the CCV condition.
1. If the paper is absorbed into or out, CCV is open.
2. If not, CCV is close.

Troubleshooting Procedures: