Loop Circuits
WARNING: This page is about a different car, the 1990 Oldsmobile Toronado, 1989 Oldsmobile Toronado, and 1988 Oldsmobile Toronado. However, it is still accessible from the selected car via links, so may be relevant.
An open in any of the loop circuit wiring will be interpreted by EBCM as a low pressure/low fluid warning. These circuits include circuits No. 865, 853 and 866.