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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (4 Of 6) >> SFI System >> DTC P0441-7E: Evaporative Emission System Incorrect Purge Flow Actuator Stuck On; DTC P0441-7F: Evaporative Emission System Incorrect Purge Flow Actuator Stuck Off; DTC P0441-9C: Evaporative Emission System Incorrect Purge Flow Low/Insufficient Flow [12/2019 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

PURGE VSV STUCK OPEN

EVAP pressure when vacuum introduction is complete Higher than [reference pressure x 0.2]
PURGE VSV STUCK CLOSED

EVAP pressure change for 10 seconds after purge VSV ON (open) Less than 0.3 kPa (gauge) [0.044 psi (gauge)]
PURGE FLOW

Both of the following conditions are met: 1 and 2
1. EVAP pressure change when purge flow is started Less than 0.1 kPa (gauge) [0.015 psi (gauge)]
2. EVAP pressure change during purge operation when vent valve on (closed) Less than 0.154 kPa (gauge) [0.022 psi (gauge)]
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