Additional Service When Replacing ECM: Description
When replacing ECM, the following procedure must be performed. (For details, refer to Work Procedure ).
PROGRAMMING OPERATION
CAUTION:
When replacing the ECM, a new ECM must be used. The functions controlled by the ECM do not operate properly if a ECM from another vehicle is used.
NOTE:
After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the procedure to perform the programming.
BEFORE REPLACEMENT
When replacing ECM, perform "SAVING DATA FOR REPLC CPU" in "Work support" of "ENGINE" using CONSULT to save current ECM data before replacement.
AFTER REPLACEMENT
After replacing ECM, the following items must be performed:
- Write data after replace CPU
- Accelerator pedal released position learning
- Throttle valve closed position learning
- Idle air volume learning
- Electric intake valve timing control actuator reference position learning