Overall Function Check
Use this procedure to check the overall function of the EVAP canister vent control valve circuit. During this check, a 1st trip DTC might not be confirmed.
With GST
- Disconnect hose from water separator.
- Disconnect EVAP canister vent control valve harness connector.
- Verify the following.
If the result is NG, go to DIAGNOSTIC PROCEDURE .
If the result is OK, go to "Diagnostic Procedure" for DTC P0442, DIAGNOSTIC PROCEDURE .