Thread: ECM Swap - '05 into '04

should be the same. 06 is different

Originally Posted by westner

Can this be done?

So far every Nissan dealer and resellers of ECM's have told me that it can't be done.

Has anyone, or do you know of anyone who has successfully swapped in an '05 ECM into an '04 Spec V?

If you have an '04 and UpRev's Osiris, are you capable of switching maps with your cruise control buttons?

can say 100% that i know anyone.. but i'm pretty certain the 04-05 wiring is the same.. 06 it changed

just need to reprogram the NATS or whatever to get it to start.

What changed with the 06?

wideband o2 sensor was added and the ECM was upgraded with more memory

Originally Posted by jeremy

wideband o2 sensor was added and the ECM was upgraded with more memory

Does that mean we can log afr's directly off the ECU pinout?

Originally Posted by Zebadee

Does that mean we can log afr's directly off the ECU pinout?

No.

Can we tap a wideband into the stock sensor?

might be a better question for Uprev to answer. they would have first hand experience since they've used messed with both types of ECM's

The main reason to swap the '05 ecm into an '04 Spec was to be able to use UpRev's map switching. After some modifications by UpRev, Vince of RT Tuning was able to flash my ROM with an '05 ROM. So now I have an '04 ecu with an '05 ROM, with the ability to switch between any 5 tunes on the fly.

iirc all you needed was the cruise control buttons to swap and thats it

Originally Posted by CrickiKaze

iirc all you needed was the cruise control buttons to swap and thats it

The cruise control buttons didn't work on my car to switch maps. UpRev worked on some changes to their flash code to fix that but were not successful. Their last patch locked my ECU completely. I needed to unhook my battery for 3 hours or more for the ECU to reset just so I could re-start the car. Now I use a combination of CC and brake pedal to switch between maps.