With GST
- Disconnect hose from water separator.
- Disconnect EVAP canister vent control valve harness connector.
- Verify the following.AIR PASSAGE CONTINUITY CONDITIONS
Condition Air passage continuity 12V direct current supply between terminals 1 and 2 No No supply Yes If the result is NG, go to "DIAGNOSTIC PROCEDURE ".
If the result is OK, go to "Diagnostic Procedure" for DTC P0442, DIAGNOSTIC PROCEDURE .