How to Erase Diagnostic Test Mode II (Self-diagnostic Results)

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Set ECM in Diagnostic Test Mode II (Self-diagnostic results). Refer to DIAGNOSTIC TEST MODE II - SELF-DIAGNOSTIC RESULTS .
Fully depress the accelerator pedal and keep it for more than 10 seconds.
The emission-related diagnostic information has been erased from the backup memory in the ECM.
Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.