Inspection/Maintenance (I/M) Heated Oxygen Sensor (Ho2S) Heater System Set Procedure: Description
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
The purpose of this test is to satisfy enable criteria necessary to execute I/M readiness diagnostics for Heated Oxygen Sensor (HO2S) system. Test may be used to set I/M System Status to YES. Ensure vehicle meets the requirements listed in conditions for running before performing this test. Failure to meet necessary requirements may produce inaccurate test results.