LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Control System (2GR-FSE)) >> SFI System >> DTC P2419 Evaporative Emission System Switching Valve Control Circuit Low; DTC P2420 Evaporative Emission System Switching Valve Control Circuit High >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

"Saturated" indicates that the EVAP pressure change is less than 0.286 kPa (2.14 mmHg) in 60 seconds.

  1. P2419: Vent valve stuck closed
    TYPICAL MALFUNCTION THRESHOLDS

    One of following conditions is met: -
    EVAP pressure just after reference pressure measurement start More than -1 kPa ( -7.5 mmHg)
    Reference pressure Less than -4.85 kPa (-36.37 mmHg)
    Reference pressure -1.05 kPa ( -7.92 mmHg) or more
    Reference pressure Not saturated within 1 minute
    Difference between first reference pressure and second reference pressure 0.7 kPa (5.25 mmHg) or more
  2. P2420: Vent valve stuck open (vent)
    TYPICAL MALFUNCTION THRESHOLDS

    EVAP pressure change after EVAP canister vent valve is ON Less than 0.3 kPa (2.25 mmHg)