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Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Engine Control System - Diagnostic Codes (P11EA-P2065)) >> SFI System >> DTC P148D-7E: Purge One Way Valve Stuck Open [11/2021 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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Monitor runs whenever the following DTCs are not stored None
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 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) or higher, and less than 35°C (95°F)
Intake air temperature (for mass air flow meter sub-assembly) 4.4°C (40°F) or higher, and less than 35°C (95°F)