DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0400-P0450)) >> 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 [11/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
PURGE VSV STUCK OPEN

EVAP pressure when vacuum introduction for canister was 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 [0.04 psi]
INSUFFICIENT PURGE FLOW

Both of the following conditions are met -
EVAP pressure change when purge flow is started Less than 0.1 kPa [0.01 psi]
EVAP pressure change during purge flow when vent valve is on (closed) Less than 0.396 kPa [0.0574 psi]