Inspection/Maintenance Air System Set Procedure: Description
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 Pontiac Grand Prix, 2002 Pontiac Bonneville, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, and 2002 Buick Regal. 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 Secondary Air Injection (AIR) system. Test may be used to set I/M SYSTEM STATUS to YES.