DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 124 (Engine Control System (A25A-FXS) - Diagnostic Codes (P1362-P16B0)) >> SFI System >> DTC P1422-00: Evaporative Emission Fuel Tank (Small Leak); DTC P1423-00: Evaporative Emission Fuel Tank (Gross Leak) [10/2022 - 11/2023] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Key-off monitor runs when all of the following conditions are met -
Atmospheric pressure 70 kPa (abs) [10.2 psi (abs)] or higher, and less than 110 kPa (abs) [16 psi (abs)]
Auxiliary battery voltage 10.5 V or higher
Vehicle speed Less than 4 km/h (2.5 mph)
Ignition switch Off
Engine condition Not running
Key-OFF duration 5, 7 or 9.5 hours
Pressure sensor of canister pump module malfunction (P0451, P0452, P0453) Not detected
Fuel tank pressure sensor malfunction (P1451, P1452, P1453) Not detected
Purge VSV Not operated by scan tool
Vent valve Not operated by scan tool
Fuel vapor-containment valve Not operated by scan tool
Leak detection pump Not operated by scan tool
Purge flow before key-OFF Performed
Engine coolant temperature 4.4°C (39.9°F) or higher, and less than 35°C (95°F)
Intake air temperature 4.4°C (39.9°F) or higher, and less than 35°C (95°F)