With Manufacturer's Scan Tool

DTC CLEARANCE
The following action will erase the DTCs and freezed frame data.
- Operating the LEXUS hand-held tester to erase the codes.

NOTICE: If the LEXUS 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 freezed frame data will be erased.