Electronic Controlled Automatic Transaxle [ECT] (APR., 2003): Precaution
WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Perform the RESET MEMORY (AT initialization) when replacing the automatic transaxle assy, engine assy or ECM (See INITIALIZATION ).
HINT:
Initialization can not be completed by only removing the battery.