How do I locate and replpace an ECM (Brain Box / Computer) on a 2002 Sentra “R” model? I can’t seem to locate and see the Electronic Control Module right away in order to replace it. Can anyone help me find this part on the car, the chilton’s book just says it is on the fire wall. Thank You. -Ty

Nissan Sentra ECM replacement

TyHarlan October 7, 2009, 4:45am 11

Thank you so much for your work. I tried a lot of things. I added what I found out to this thread. thank you. Thank you thank you.