With Generic Scan Tool

CLEAR DTC (Using the OBD II scan tool or hand-held tester)

a. Connect the OBD II scan tool or the hand-held tester to the DLC3.
b. Turn the ignition switch ON.
c. When operating the OBD II scan tool (complying with SAE J1978) or the hand-held tester to erase the codes, the DTCs and freeze frame data will be erased. (See the OBD II scan tool's instruction book for operating instructions.)