Without Scan Tool

Clear the DTC.
1. Using SST, connect terminals Tc and E1 of DLC1 and remove the short pin from DLC1.
SST 09843-18020
2. Disconnect the short pin from the DLC1.
3. Turn the ignition switch ON.
4. Clear the DTC stored in ECU by depressing the brake pedal 8 or more times within 5 seconds.
5. Check that the warning light shows the normal code.
6. Remove the SST from the terminals of DLC1.
SST 09843-18020
7. Connect the short pin to DLC1.