Definitions

OBDII TRIP
A vehicle start and drive cycle such that all once per trip diagnostic monitors have run.

KEY START
A vehicle start and run cycle of at least 20 seconds.

WARM-UP CYCLE
A vehicle start and run cycle such that the engine coolant must rise to at least 160°F and must rise by at least 40°F from initial start up. To count as a warm-up cycle, no faults may occur during the cycle.