Control Module: Testing and Inspection

TCM Initialization Procedure

When one or more operations such as shown below are performed, all learned contents which are stored in TCM memory should be erased after the operations.
^ When A/T H/W is replaced in a vehicle.
^ When a used TCU is installed in other vehicle.
^ When a vehicle condition is unstable (engine RPM flare, TPS toggling and so on; at this kind of unstable conditions, mis-adaptation might be done).

1. Connect the scan tool with a DLC connector in a vehicle.
2. Turn ignition switch ON.
3. Turn the power on for the scan tool.
4. Follow the "TCM LEARNED INITIALIZE" procedure on the scan tool menu.

NOTE: Before pushing "Yes" Button for TCM initialization on the scan tool screen, make sure that the condition is as follows:
Condition:
1. Engine idle.
2. Select lever set "P" range.