Diagnostic Aids
WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. 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 catalyst system. Test may be used to set I/M system status indicators to YES. Ensure vehicle meets enable criteria before performing test.