Computers and Control Systems: Service Precautions

3UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: PRECAUTION

PRECAUTION
NOTICE:
- Initialize the following systems after disconnecting and reconnecting the cable from the negative (-) battery terminal.





- Perform the RESET MEMORY (A/T initialization) operation after replacing the automatic transmission assembly, engine assembly or ECM.
- Perform Registration (VIN registration) when replacing the ECM Programming and Relearning.
HINT: RESET MEMORY cannot be completed by only disconnecting the cable from the negative (-) battery terminal.