With Manufacturer's Scan Tool

ERASE MEMORY
1. Turn ignition switch OFF.
2. Start engine, and touch "START (NISSAN BASED VHCL)" "RAS/HICAS" "SELF-DIAG RESULTS" and "ERASE" in this order to erase the diagnostic memory.

CAUTION: If memory cannot be erased, repeat step 1, 2.

3. Perform self-diagnosis again, and make sure that DTC memory is erased. Self-Diagnosis