Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure: Description
WARNING: This page is about a different car, the 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
This test is to satisfy enable criteria to execute I/M readiness diagnostics for Oxygen Sensor (O2S) and Heated Oxygen Sensor (HO2S) system. Test may be used to set I/M System Status to YES. Ensure vehicle meets requirements listed in CONDITIONS FOR RUNNING before performing this test. Failure to meet necessary requirements may produce inaccurate test results.