OBD-II Drive Cycle

1. Catalytic converter monitor (P0420, P0421)

Test conditions/procedure
1. All of the following conditions should be satisfied when the drive test is carried out.
1. Outside air temperature: -10°C (14°F) or higher
2. A/T condition:
- Selector lever position: D range
- Overdrive switch: ON
- Power/economy change over switch: Power
3. A/C switch: OFF
2. Carry out one trip monitoring according to the following drive pattern (from starting of the engine until ignition is turned off). takes approximately 20 minutes.)
*1: Start the engine and quickly accelerate to a speed of 72 kph (45 mph) or more.
*2: Monitor pre-preparation period: drive for 300 seconds or more while maintaining the vehicle speed at between 72 - 97 kph (45 - 60 mph). Braking (lasting several seconds) can be carried out during this period.
*3: Decelerate until the vehicle speed is between 56 - 64 kph (35 - 40 mph).
<>4: Monitoring period: drive for 90 seconds or more on a level surface while maintaining the throttle opening angle at a constant angle (keeping throttle variations as small as absolutely possible) and the vehicle speed at between 56 - 64 kph (35 - 40 mph).
*5: Fully close the throttle to make the vehicle decelerate. (Braking is allowed at this time.)
After the vehicle has been decelerating continuously for 10 seconds, quickly accelerate back to a speed of between 56 - 64 kph (35 - 40 mph).
Repeat steps *4 and *5 six times. The procedure in steps *4 and *5 should be completed a total of six times.)
*6: Decelerate to a stop. After the vehicle has stopped, turn the ignition switch to OFF.




Drive cycle pattern