With Generic Scan Tool

How to Erase DTC and 1st Trip 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-521, "DTC Index") Engine Control System, 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 TM-110, "Diagnosis Description". Testing and Inspection (The DTC in TCM will be erased)
3. Select Service $04 with GST (Generic Scan Tool).