P0448

TROUBLESHOOTING PROCEDURES

Circuit Diagram: Leak Detection Valve-[Canister Close Valve (CCV)]:

CIRCUIT DIAGRAM








HARNESS INSPECTION PROCEDURES

COMPONENT INSPECTION
Canister Close Valve (CCV)-Operational 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: Use a very thin paper and attach it to the hose on CCV and observe the CCV operation/condition.

1) If the paper is absorbed into or out, CCV is open.
2) If not, CCV is closed.