With Generic Scan Tool

HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION

How to Erase DTC

WITH GST
The emission related diagnostic information in the ECM can be erased by selecting Service $04 with GST.

NOTE: If the DTC is not for A/T related items (see EC-9, "INDEX FOR DTC"), skip step 2.

1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
2. Perform AT-38, "OBD-II Diagnostic Trouble Code (DTC)". Testing and Inspection (The DTC in TCM will be erased)
3. Select Service $04 with GST (Generic Scan Tool).