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Home >> Toyota >> 2017 >> Highlander XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 116 (SFI System (2GR-FXS) - Diagnostic Codes - (Hybrid) (1 Of 4)) >> SFI System >> DTC P1422: Fuel Tank Small Leak; DTC P1423: Fuel Tank Gross Leak [11/2016 - 10/2017] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Monitor runs whenever the following DTCs are not stored None
Key-off monitor runs when all of the following conditions are met: -
Atmospheric pressure 70 kPa (abs) [10.15 psi (abs)] or higher, and less than 111 kPa (abs) [16.1 psi (abs)]
Auxiliary battery voltage 10.5 V or higher
Vehicle speed Less than 4 km/h (2.5 mph)
Power switch Off
Engine condition Not running
Key-OFF duration 5, 7 or 9.5 hours
Pressure sensor of canister pump module malfunction (P0452 and P0453) Not detected
Fuel tank pressure sensor malfunction (P1452 and 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
Both of the following conditions (a) and (b) are met before Key-OFF -
(a) Duration that vehicle is being driven 5 minutes or more
(b) Purge flow 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)