Removal & Installation
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Electronic Control Unit (ECU) is located on driver side junction block located under left side of instrument panel. See Figure. Turn ignition off and disconnect negative battery cable. Remove lower instrument panel cover under steering column to gain access to driver side junction block. Disconnect body control ECU electrical harness connectors and carefully separate body control ECU from driver side junction block.