"The 'M' has a "DIAGNOSTIC MODE" that is not documented.Follow these steps to enter [at your own risk] into the…
Clearing Codes on the G35 and 350Z There are several ways to clear ECU error codes. - Scan Tool If…
-Verify that diagnostic mode selector is turned fully counterclockwise. -Turn ignition switch ON. -Make sure inspection lamps stay on. (Bulb…
-Access the ECU and position it for observing the diodes. -If the engine does not run, turn the key on…