Nissan 2005 maxima plastic cover under the engine came down

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Question moved to Category.

In the centre console under the dash.

https://www.2carpros.com/questions/nissan-maxima-1996-nissan-maxima-at-control-unit

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https://www.google.com/search?q=2005+nissan+maxima+transmission+control+module+location

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Put the vehicle on a car lift and track down the leak.

It's in a black enclosure close to the coolant overflow bottle under the hood on the passenger side. It is a 10A (red) fuse. Locate it using the diagram on the removable (black) plastic cover.

front...last one on transmission side

The Spark Plugs are located under the Coil Pack in the Cylinder Head. You need to remove the silver cover on the front part of the engine which are held down by Allen Bolts to access the Coil Pack. You will need to remove the two bolts holding the Coil Pack to the Cylinder Head. Pull up on the Coil to remove the Coil and inside the hole will be the Spark Plug. The rear part of the engine next to the firewall has no cover so you will need to just remove the Coil Pack. The Nissan Maxima is very picky about the brand of Spark Plugs you replace them with, You should only use NGK Platinum Plugs or Better in your Maxima, Any other brand will make your car run rough.

three screws behind the pull off plastic triangular cover

remove screws - they is probably one around the door handle (carefully pry out cover piece) - and underneath any big round (1 inch diameter) plastic screw hole cover - then carefully pry off.

They are under the plastic covers that are in the center of each valve cover, there should be 2 or 4 allen key screws holding the covers on, when u get them loose u will see 3 coil packs under each cover, thease supply the spark for the plugs, u must unplug the wire harness from each one then remove the 2 screws that hold it down, slide it out vertically because there is a long stalk that goes down to the plug, u will need an extention on your rachet to reach the plug. The front 3 are easy and the rears are harder and require some tight space jockying but it is not impossible for someone with moderate mechanical skills. good luck !!!

fuse is under the cover on the left side. take off cover, then in the front you will find a black fuse box. remove it with the side clips. on the cover it shows which fuse it is.

The best way is to use a scan tool to clear the codes, that will turn off the light, also disconnecting the battery over night may work, but no completely sure about that, it varies from year to year.