Engine Indicator Problem of Nissan Senta GX 2004

[bam]

The engine indicator of my nissan sentra gx 2004 goes on when

1. uminit engine after driving it for a period of time
2. kung di man sa init ng makina sabay cya sa pagswitch ng signal light

i have it check sa nissan southwood they insist na may trouble sa engine as indicated by their computer

pero driving is no problem it is running smoothly naman di pumapalya have it change oil pati spark plugs

isa na notice ko i have problems with my remote dati di na nagfufunction sa door now its back to normal

can somebody help me with this before i return to nissan southwoods kasi i am having problems with them parang nanghuhula ng problem

[1D4LV]

baka makuha sa ECU reset.