OBD-II Drive Cycle Description

WARNING: This page is about a different car, the 1998 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.

OBD-II drive cycle is a pattern of driving in which the PCM will execute all OBD-II diagnostic monitors. Drive cycle can be used to cause a DTC to set if fault is present or to verify a DTC will not return after a repair has been completed. If drive cycle is completed and P1000 is not cleared, repeat entire drive cycle.

NOTE: Rough road conditions may prevent certain steady state conditions and steady accelerations from validating the transmission and load related monitors. On models with Power Take-Off (PTO), disengage PTO system before performing drive cycle.