Clearing Trouble Codes
The following actions will erase the DTCs and freeze frame data.- Operating the OBD II scan tool (complying with SAE J1978) or TOYOTA hand-held tester to erase the codes.
(See the OBD II scan tool's instruction book for operating instructions.)
NOTICE: If the TOYOTA hand-held tester switches the ECM from normal mode to check mode or vice-versa, or if the ignition switch is turned from ON to ACC or OFF during check mode, the DTCs and freeze frame date will be erased.