Removal (3.0L)
WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.
Turn OFF the ignition for at least 10 seconds. Disconnect ECM J1 and J2 harness connectors. See Figure . Remove ECM attachment bolts and remove ECM.