where is the ecm locate on a Nissan altima 2.5s 2002
No
First of all there is no Toyota Altima. An Altima is a Nissan. The ECM is a electronic control module which handle all the cars electronic information. Also referred to as your cars computer.
uNDER THE PASSENGER SEAT.
R-134
No - See Link
it says it on the speaker, in 94 it was clarion
Have the Ecm checked At dealers ( recall )
Have the Ecm re-programmed for free at dealership
It's right beside the accelerator pedal.Just unscrew the panel and voila!
You have to be underneath the car and have very nimble hands.
9.8 in automatic gear.