Failure Conditions
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.
Code 26 will set if voltage at SENSE HI input terminal No. A7 minus voltage at SENSE LOW input terminal No. A6 is greater than .45 volt for 500 milliseconds.