Catalyst Monitor Repair Verification Drive Cycle

1. Make sure the inlet air temperature (or ambient air temperature) is above 0°F (-18°C) to start this drive cycle.
2. Connect the New Generation Star tester and access the ON BOARD SYSTEM READINESS menu. When all the monitors have been completed and P1000 is erased, the NGS will send out a three-pulse beep.
3. Start the engine and drive the vehicle for 25 minutes.
(1). Drive in stop and go traffic for 20 minutes, including six different constant speeds between 25 and 45 mph (40 and 72 km/h).
(2). Drive on the highway for an additional 5 minutes.

4. Rerun Continuous Memory, KOEO and KOER self-tests.