What is drive?

drive trace

Glossary “drive trace” Definition:
Grapic display of the driving conditions for an I/M 240 test. The vehicle is driven on a dynamometer to match speed, acceleration, and deceleration shown on the trace. The trace can also be used to pinpoint when and where a vehicle failed the I/M test.

Drive Cycle

Glossary “Drive Cycle” Definition:
The purpose of the OBDII drive cycle is to assure that all of the on-board diagnostic tests (monitors) have been run on the vehicle so that all of the I/M flags are set to READY or COMPLETE.