Intrusive Diagnostic Tests
WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport, 2002 Isuzu Rodeo, 2002 Isuzu Axiom, and 2002 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.
This is any on-board test run by the Diagnostic Management System which may have an effect on vehicle performance or emission levels.