Clearing Trouble Codes
NOTE: This is the only information provided by the manufacturer for clearing diagnostic trouble codes for this system.Clear the DTC.
The DTC and freeze frame data will be erased by either action.
1. Operating the OBDII scan tool (complying with SAE J1978) or TOYOTA hand-held tester to erase the codes (For operating instructions, see the OBDII scan tool's instruction book).
2. Disconnecting the battery terminals or EFI1 fuse.
NOTE: If the TOYOTA hand-held tester switches the ECM from the normal mode to the check mode or vise-versa, or if the ignition switch is turned from ON to ACC or OFF during the check mode, the DTCs and freeze frame data will be erased.