When Monitored
This diagnostic runs one time during an ignition cycle when the following conditions are met:
- Battery voltage is greater than 7.5 volts.
- Engine off time is greater than 480 minutes.
- Intake manifold mass flow is greater than 20 grams/sec.
- Ambient temperature is greater than -64°C (-83°F).
- Vehicle driven over 30 mph for 30 seconds.