Conditions To Clear
WARNING: This page is about a different car, the 1991 Geo Storm, 1991 Geo Metro, 1990 Geo Storm, and 1990 Geo Metro. However, it is still accessible from the selected car via links, so may be relevant.
Current Code 31 will clear if voltage at SENSE LOW input (terminal No. A6) is 41-61 percent of 36VLR output voltage for 500 milliseconds.