Clearing Trouble Codes

NOTE: This is the only information provided by the manufacturer for clearing diagnostic trouble codes for this system.

The DTCs and freezed frame data will be erased by either action.
- Operating the OBD II scan tool (complying with SAE J1978) or LEXUS hand-held tester to erase the codes. (See the OBD II scan tool's instruction book for operating instructions.)
- Disconnecting the battery terminals or EFI fuse.

NOTE: If the LEXUS hand-held tester switches the ECM from the normal mode to the check mode or vice-versa, or if the ignition switch is turned from ON to ACC or OFF during the check mode, the DTCs and freezed frame data will be erased.