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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Engine Control System (A25A-FXS) - Diagnostic Codes (16 Of 20)) >> SFI System >> DTC P1420-00: Evaporative Emission Canister (Small Leak); DTC P1421-00: Evaporative Emission Canister (Gross Leak) [06/2018 - 08/2020] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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P1420: EVAP SMALL LEAK

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: EVAP GROSS LEAK

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