Glossary Of Terms: Definitions

OBDII (EURO STAGE III OBD) 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 71°C (160°F) and must rise by at least 4.4°C (40°F) from initial start up. To count as a warm-up cycle, no DTC may occur during the cycle.