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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (11 Of 14) >> SFI System >> DTC P148D-7E: Purge One Way Valve Stuck Open [12/2017 - 09/2019] >> Typical Enabling Conditions

Typical Enabling Conditions

Atmospheric pressure 70 kPa(abs) [10.15 psi(abs)] to 110 kPa(abs) [15.95 psi(abs)]
Battery voltage 10.5 V or higher
Vehicle speed Less than 4 km/h (2.5 mph)
Engine 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 following conditions met before key-off Conditions 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) to 35°C (95°F)
Intake air temperature (mass air flow meter sub-assembly) 4.4°C (40°F) to 35°C (95°F)