Automatic Transmission 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.