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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 Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
P1422: SMALL LEAK FROM FUEL TANK

Fuel tank pressure when vacuum introduction for fuel tank was complete Between conditions 1 and 2
Condition 1 Higher than third reference pressure
Condition 2 Lower than [third reference pressure x 0.2]
P1423: GROSS LEAK FROM FUEL TANK

Fuel tank pressure when vacuum introduction for fuel tank was complete Higher than [third reference pressure x 0.2]
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