Powertrain Diagnostic Procedures: Acronyms: Definitions

OBDII/EURO III 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 22 C (40° F) from initial start up. To count as a warm-up cycle, no DTC's may occur during the cycle.