DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 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 Enabling Conditions

Typical Enabling Conditions

KEY-OFF MONITOR

Atmospheric pressure 70 kPa (abs) [10.15 psi (abs)] or higher, and less than 110 kPa (abs) [15.95 psi (abs)]
Battery voltage 10.5 V or higher
Vehicle speed Less than 4 km/h (2.5 mph)
Ignition switch Off
Time after key-off 5, 7 or 9.5 hours
Canister pressure sensor malfunction (P0452, P0453) Not detected
Purge VSV Not operated by scan tool
Vent valve Not operated by scan tool
Leak detection pump Not operated by scan tool
Both of the following conditions met before key-off 1 and 2
1. Duration that vehicle is driven 5 minutes or more
2. EVAP purge operation Performed
Engine coolant temperature 4.4°C (40°F) or higher, and less than 35°C (95°F)
Intake air temperature 4.4°C (40°F) or higher, and less than 35°C (95°F)
PURGE FLOW MONITOR

Engine Running
Engine coolant temperature 4.4°C (40°F) or higher
Intake air temperature 4.4°C (40°F) or higher
Canister pressure sensor malfunction (P0451, P0452, P0453) Not detected
Purge VSV Not operated by scan tool
EVAP system check Not operated by scan tool
Battery voltage 10 V or higher
Purge duty-cycle 8% or higher