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Home >> Chevrolet >> 2000 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls - Self-Diagnostics) >> Drive Cycles >> Inspection/Maintenance Catalyst System Set Procedure >> Description
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Inspection/Maintenance Catalyst System Set Procedure: Description

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of this test is to satisfy the enable criteria necessary to execute Inspection/Maintenance (I/M) readiness diagnostics for the catalyst system. Test may be used to set I/M system status indicators to YES. Ensure vehicle meets conditions listed in enable criteria before performing procedure. Failure to meet any of the conditions listed may produce inaccurate test results.