+18 Check Engine Light Codes Nissan Sentra References. You see smoke coming from your vehicle. Web the video above shows how to locate the on board diagnostics obd plug location on your 2006 sentra, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your sentra.

Web here are five indicators that a check engine light means you should have your nissan serviced immediately: The connector may have a removable cover. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage.