DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (2GR-FKS) - Diagnostic Codes (4 Of 6) >> SFI System >> DTC P0455-00: Evaporative Emission System Leak Detected (Large Leak); DTC P0456-00: Evaporative Emission System Leak Detected (Very Small Leak) [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

Atmospheric pressure 70 kPa (abs) [10.15 psi (abs)] or higher, and less than 110 kPa (abs) [15.95 psi (abs)]
Battery voltage 10.5 V or higher
Vehicle speed Less than 4 km/h (2.5 mph)
Ignition switch Off
Time after key-off 5, 7 or 9.5 hours
Canister pressure sensor malfunction (P0452, P0453) Not detected
Purge VSV Not operated by scan tool
Vent valve Not operated by scan tool
Leak detection pump Not operated by scan tool
Both of following conditions met before-key off 1 and 2
1. Duration that vehicle is driven 5 minutes or more
2. EVAP purge operation Performed
Engine coolant temperature 4.4°C (40°F) or higher, and less than 35°C (95°F)
Intake air temperature 4.4°C (40°F) or higher, and less than 35°C (95°F)