Computers and Control Systems: Service Precautions
1NZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: PRECAUTION
NOTICE:
* Perform RESET MEMORY (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM Programming and Relearning.
* Perform REGISTRATION (VIN registration) when replacing the ECM Programming and Relearning.
HINT
Initialization cannot be completed by only removing the battery.