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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 227 (Engine Control System (2AZ-FE)) >> 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 2008 Toyota RAV4. 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-g (2.14 mmHg-g) in 60 seconds.

P2419: Vent valve stuck closed 

TYPICAL MALFUNCTION THRESHOLDS

One of following conditions set -
EVAP pressure just after reference pressure measurement start More than -1 kPa-g (-7.5 mmHg-g)
Reference pressure Less than -4.85 kPa-g (-36.4 mmHg-g)
Reference pressure -1.057 kPa-g (-7.93 mmHg-g) or more
Reference pressure Not saturated within 60 seconds
Reference pressure difference between first and second 0.7 kPa-g (5.25 mmHg-g) or more

P2420: Vent valve stuck open (vent) 

TYPICAL MALFUNCTION THRESHOLDS

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