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Home >> Lexus >> 2007 >> RX 350 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P2420 Evaporative Emission System Switching Valve Control Circuit High >> DTC Summary
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DTC Summary

DTC TROUBLE DETECTION CONDITION CHART

DTC No. Monitoring Item DTC Detection Condition Trouble Area Detection Timing Detection Logic
P2420 Vent valve stuck open (vent) The following condition is met during key-off EVAP monitor
  • EVAP pressure change when vent valve is closed (ON) less than 2.3 mmHg
  • Pump module (0.02 inch orifice, vacuum pump, vent valve)
  • Connector / wire harness (Pump module - ECM)
  • ECM
 Ignition switch off 2 trip
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