Output Displays: Notes
WARNING: This page is about a different car, the 1988 Cadillac Seville and 1988 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
When trouble shooting a malfunction, ECM and BCM output test can be actuated regardless of inputs and normal program instructions. Once a test in outputs is selected, the test will display "HI" or "LO" for 3 seconds in each state to indicate the command and output terminal voltage. The following is a brief summary of each output.