OBD-II Drive Cycles

Manufacturer defines drive cycle as a pattern of driving that meets code set criteria for ECM/PCM to monitor a particular system/component. Drive cycle is used to verify repair by reproducing conditions during which fault occurred. There are 6 different drive cycles. These are:

Catalytic Converter Monitor
Evaporative Emission Control System Leak Monitor
Exhaust Gas Recirculation Monitor
Fuel Trim Monitor
Heated Oxygen Sensor Monitor
Other Monitor

NOTE: DO NOT run drive cycle if outside air temperature is less than 14°F (-10°C).

For the requirements to run a drive cycle, see appropriate drive cycle in OBD-II DRIVE CYCLES under VERIFYING REPAIRS.