TCCM setting

1. Precautions

If replacing the TCCM, it is necessary to write the vehicle information into the new TCCM.

The scan tool used for the replacement procedure must be the same from start to finish. If the scan tool is changed midway, information cannot be written correctly.

Perform the TCCM replacement and programming according to the following procedure.

TCCM replacement procedure
1	TCCM replacement
2	Vehicle identification number (VIN) programming
3	DTC verification/clearing
4	ECU Lock

2. Contents of Programming

1) Program VIN (Vehicle Identification Number)

The purpose of this function is to write the Vehicle Identification Number (VIN) when the TCCM is replaced.

2) DTC verification/clearing

Check if any DTCs are set before performing the ECU Lock. If a DTC is set, clear the DTC, and then check again to make sure that no DTC is set.

3) ECU Lock

The purpose of this function is to provide a security lock if the TCCM is replaced. When the TCCM is replaced, a DTC will be set if ECU Lock is not performed.

1. TCCM replacement

1) Replace the TCCM.

2. Vehicle identification number (VIN) programming

1) Select "Programming" on the scan tool.

2) Select Program VIN (Vehicle Identification Number), and enter the vehicle identification number (VIN) indicated on the ID plate.

3. DTC verification/clearing

1) Observe the DTC information with a scan tool.

2) If a DTC is set, clear the DTC.

3) Turn OFF the ignition switch.

4) Turn ON the ignition switch.

5) Observe the DTC information with a scan tool.

6) If a DTC is set, go to the applicable diagnosis.

4. ECU Lock

1) Select "Programming" on the scan tool.

2) Select ECU Lock, and follow the on-screen instructions to perform the ECU Lock.

3) After completing the ECU Lock, turn the ignition switch OFF for 30 seconds.