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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 P1420-00: Evaporative Emission Canister (Small Leak); DTC P1421-00: Evaporative Emission Canister (Gross Leak) [11/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
P1420: SMALL LEAK FROM CANISTER

EVAP pressure when vacuum introduction for canister was complete Between conditions 1 and 2
Condition 1 Higher than second reference pressure
Condition 2 Lower than [second reference pressure x 0.2]
P1421: GROSS LEAK FROM CANISTER

EVAP pressure when vacuum introduction for canister was complete Higher than [second reference pressure x 0.2]
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