Diagnostic Charts: Notes
WARNING: This page is about a different car, the 1994 Pontiac Bonneville, 1994 Oldsmobile Eighty-Eight, and 1994 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
In the following diagnostic tests, schematics, illustrations and flow charts are courtesy of General Motors Corp.
NOTE:
In following charts, the terms ECM and PCM can be used interchangeably.