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SFI System: Precaution

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Some systems need to be initialized after reconnecting the negative (-) battery terminal (See INITIALIZATION ).
  • Perform the RESET MEMORY (AT) initialization operation after replacing the automatic transmission assembly, engine assembly or ECM (See INITIALIZATION ).
  • Perform REGISTRATION (VIN registration) when replacing the ECM (See REGISTRATION  ).