Pcm Location
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Malibu, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
On Century and Grand Prix, the PCM is located in air cleaner box, on left side of engine compartment. On Malibu, the PCM is located under left side of instrument panel.