Catalyst Monitor Repair Verification Drive Cycle
Ensure Vehicle Preparation has been performed. See VEHICLE PREPARATION . Drive vehicle in stop and go traffic. Include 5 different constant cruise speeds from 25-45 MPH over a 10 minute period. Verify no DTCs are set with exception of DTC P1000.
NOTE:
Following procedure is designed to execute and complete Evaporative Emission Repair Verification Drive Cycle and to clear DTC P1000, Inspection Maintenance (I/M) readiness code. When ambient air temperature is below 40°F (4.4°C) or above 100°F (37.8°C), or altitude is above 8000 feet, EVAP monitor will not run. If DTC P1000 must be cleared in these conditions, PCM must detect them once (twice on some applications) before EVAP monitor can be bypassed and DTC P1000 cleared. EVAP bypassing procedure is described in following drive cycle.