Test Conditions:
WARNING: This page is about a different car, the 1990 Cadillac Seville and 1990 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
Codes EO13, EO14, EO15, EO21, EO22, EO24, EO31, EO32, EO34, EO44 and EO45 clear, in closed loop for 9 minutes, coolant temperature 176-230°F (80-110°C) and engine speed greater than 400 RPM at zero MPH.