Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure: Description
WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Purpose of this test is to satisfy enable criteria necessary to execute I/M readiness diagnostics for oxygen sensor (O2S, HO2S) system. Test may be used to set I/M SYSTEM STATUS to YES. Ensure vehicle meets requirements listed in enable criteria before performing this test. Failure to meet necessary requirements may produce inaccurate test results.