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Home >> Toyota >> 2016 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (SFI System [2GR-FKS] - Diagnostic Codes - (Except Hybrid) (3 Of 4)) >> SFI System >> DTC P0455-00: Evaporative Emission System Leak Detected (Large Leak); DTC P0456-00: Evaporative Emission System Leak Detected (Very Small Leak) [11/2016 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Monitor runs whenever the following DTCs are not stored None
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)