With Manufacturer's Scan Tool

CLEAR DTC (Using the OBD II scan tool or intelligent tester)

a. Connect the OBD II scan tool or the intelligent tester to the DLC3.
b. Turn the ignition switch ON.
c. Erase DTCs and freeze frame data with the OBD II scan tool (complying with SAE J1978) or the intelligent tester For the intelligent tester: 1) enter the following menus: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CLEAR CODES; and 2) press YES. For the OBD II scan tool, see its instruction.