Dec. 30, 2011
-- Since 1996, all Nissan cars (as well as those of all other manufacturers)
sold in the USA were required by the Clean Air Act of 1990 to equip OBD 2 (On-Board Diagnostics)
system as standard equipment. One benefit of this requirement was that cars had "Check Engine" lights (or CELs) as part of the instrument panel warning system, which illuminated when some troubles were found in the car. Check engine lights usually show that a car component requires attention or repair. Sometimes, but, the problem can be ignored without a repair being performed. CELs can be erased without a service visit.
Things You'll Need Socket wrench set, Hand-held OBD 2 scanner, Disconnect the car battery for this job
Unplug the car battery by using the properly sized socket wrench to loosen the exposed battery terminal clamp. The battery should remain disconnected for about 10 minutes so as to the OBD 2 memory lose power.
Reconnect the car battery and power the car. The check-engine light should not light on. But, if the problem repeats again, the CEL may come back on.
Link an OBD 2 scan tool to the car's OBD 2 port and follow the scan tool's instructions to erase the codes. If you do not have an OBD scan tool, major car parts store chains usually have access to a handheld scanner and will reset and clear your codes for free.
Write down OBD 2 code, and enter it into a search engine or visiting a website that supplies such information. Often, you can find detailed translates and repair information for OBD 2 codes by online resources.
If possible, you can fix the fault repaired by yourself, or taking the car to an independent shop and a Nissan dealership. If taking it to be serviced, contain the code information that you pulled so that the shop can confirm the issue. Once the repair has been implemented, the CEL will clear itself after you drive it for a period of time.
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