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Home >> Buick >> 2002 >> Century Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.1L Engine >> Inspection/Maintenance Procedures >> Inspection/Maintenance Heated Oxygen Sensor (Ho2S) Heater System Set Procedure >> Description
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Inspection/Maintenance Heated Oxygen Sensor (Ho2S) Heater System Set Procedure: Description

The purpose of this test is to satisfy the enable criteria necessary to execute I/M readiness diagnostics for Heated Oxygen Sensor (HO2S) system. The test may be used to set the I/M system Status to YES. Ensure vehicle meets the requirements listed in conditions for running DTC before performing this test.