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Forum > Failed Smog Test > Question

Toyota Camry Drive Cycle

I have a 2001 Toyota Camry with an automatic transmission and 2.2L engine. The catalyst monitor will not set. I think the other OBD-II monitors are ok. What should I do?


Answer:

In order to set the emission monitors your Toyota Camry will need to undergo a Toyota Camry drive cycle.

The Toyota Camry drive cycle below is designed for automatic transmission equipped Toyota Camrys' with 2.2L engines and CA approved emissions.

1998-2002 Toyota Camry Drive Cycle (Engine 1MZ-FE & 5S-FE - CA Emissions Certified)

Begin by: (Make sure you have between 1/4 and 3/4 fuel in the gas tank. The EVAP test will not run while your Toyota has a full tank of gas or the gas tank is near empty). Ensure there are no pending or active trouble codes and that the check engine light is not on.

    A. Start the engine and allow it to idle for 2 minutes or more.

    B. Drive the vehicle at 40-70 mph or more for at least 3 minutes. Be sure to maintain engine speed between 900 and 3,200 rpm.

    C. Stop the vehicle and allow the engine to idle for 10 seconds or more.

    D. Drive the vehicle at 25 mph for at least 40 seconds or more. Be sure to maintain engine speed above 900 rpm.

    E. Stop the vehicle and allow the engine to idle for 10 seconds or more.

    F. Perform steps “D” and “E” ten times.

    G. Drive the vehicle allowing speed to fluctuate between 35-45 mph for about 16 minutes.

If readiness status of all monitors do not switch to “complete,” ensure preconditions are met, turn the ignition switch OFF, then repeat steps “A” through “G.”

Completing the Toyota Camry drive cycle above should set the emission monitors required to pass the smog check. We recommend performing the drive cycle 2 or 3 times before the smog inspection.

Take caution when performing drive cycles on public roadways. If you feel you will be unable to complete the driving pattern above safely and legally, seek assistance from a reputable smog check repair station or Toyota repair facility.


posted by SmogTips Support

 

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