The ECM on mine (2.5L of that year) is to the right side of the battery, up against the frame, integrated with the air intake.
Next to the incoming air hose to the the air cleaner... air cleaner inlet... on the drivers side fender.
Depends on the fuel injection system. If they are both throttle body it should work, but you might have to swap the ECM.
It is behind the battery.
no
between battery and fender (driver side)
A faulty ECM!!!
The ecm module is located behind the passenger side kick panel. I don't know of an ecm relay.
It's actually located in the ECM (computer) of the car.
Blown fuse, bad connection, or ground.
behind the radio
Next to the battery.
Behind the glove compartment.