How do you perform a drive cycle on 2002 4runner?

To perform a drive cycle on a 2002 Toyota 4Runner, start with a cold engine and ensure the fuel tank is between 1/4 and 3/4 full. Begin by idling for about 2-3 minutes, then accelerate to 55 mph and maintain that speed for about 5 minutes. Next, decelerate without braking to a stop, then idle for another 2-3 minutes. Finally, drive at varying speeds and make several stops to complete the cycle, allowing the vehicle's onboard diagnostic system to run its tests.