When Monitored
This diagnostic runs once per trip when the following conditions are met:
- No MAP circuit, Boost Pressure Sensor, Purge Solenoid control, OBD Vent Valve control, Boost Pressure Sensor, Battery system voltage or ASD Relay faults present.
- With the engine running.
- Intrusive Evap System Large Leak Monitor is not running.
- Intrusive Evap Purge Flow Monitor is not running in naturally aspirated or boost mode.
- MAP Sensor reading is below 70 kPa (10.0 psi) or boost pressure reading is above 15.9 kPa (18.0 psi).
- Purge Solenoid is commanded off (closed).
- The OBD Vent Valve is commanded on (open).