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Home >> Scion >> 2009 >> tC Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> 2AZ-FE Engine Control System >> SFI System >> DTC P2420 Evaporative Emission System Switching Valve Control Circuit High >> Monitor Strategy

Monitor Strategy

MONITOR STRATEGY CHART

Required Sensors/Components Purge VSV and canister pump module
Frequency of Operation Once per driving cycle
Duration Within 2 minutes (varies with amount of fuel in tank)
MIL Operation 2 driving cycles
Sequence of Operation None