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DTC P2420 EVAP System Switching Valve Control Circuit High: DTC Detecting Condition

Immediately at fault recognition
GENERAL DESCRIPTION < Ref. to DTC P2420 EVAP SYSTEM SWITCHING VALVE CONTROL CIRCUIT HIGH , Diagnostic Trouble Code (DTC) Detecting Criteria. >

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode < Ref. to OPERATION , Clear Memory Mode. >, and Inspection Mode < Ref. to PROCEDURE , Inspection Mode. >.