Powerfc Compatibility Questions

[Stronzo]

Hello,

I am looking for aftermarket ECU to control ECR33 after boost-up. I think that best option is PowerFC but it is strange for me that there is only one model of PFC for all ECR33s. As far as i know S1 and S2 have different not compatible ECUs -- why there is only one type of PFC?

The second problem is different crank angle sensors -- i have the latest "hitachi" (black, plastic case) sensor also used in NEO engines. I`m not sure PFC can work with this sensor.

The last problem is that my car is 4wd and i will definately have the same problem as those A-LSD featured ECR33s as control systems are identical, but there is a solution by paulr33 in DIY section.

Maybe there is Series 2 ECR33s with NEO crank sensor running with the Power FC? Is it possible?

Thank you in advance.

[paulr33]

series 1 and 2 ecu's have different mappings but the rest is the same.

the 4wd drive system isnt controlled by the ecu so it works fine. we've seen normal powerfcs work on a GTS4 with no problems or wire changes. if the stock ecu is working with a different crank angle sensor then the powerfc will be the same and have no problems

[mad082]

yeah series 1 and 2 ecu's work on each other. i have a series 2 motor running a series 1 ecu. no problems.

[Stronzo]

about 4wd + pfc -- it is not compatible. i checked this .

It is not very simple to dignose: When you install pfc 4wd warning light comes out as always. But after 30 min of driving i noticed that the car drives uncomfortably. The worse case -- while parking or slow big angle turns -- car feels to drive very hard. While parking (big angle slow turn) when i push the clutch -- car stops immediately (especially on reverse).

That means that attesa is always locked with pfc it is full time 4wd without central differential.

I checked why it is so. Stock ecu (i have rare one for A-LSD ecr33) mirrors TPS signal to attesa from pin 56. PowerFC has constant 4.5v on that pin. So my attesa thinks my right foot is nailed to the floor and predictibly locks the torque 50/50.

We already made a special electronic scheme to mirror TPS voltage to the e-ts controller outside of ecu. I will take it to the road testing on Friday. This will allow to fix a power fc incompatibility with a-lsd or 4wd. This will allow to use any 2wd ecu in such vehicles.

2paulr33: i tried to use your way of fixing this from DIY section -- and found that it is incorrect. i will pm you details.

[paulr33]

please let me know if its wrong

i still have the TPS hack applied to my wiring loom and it works fine

doesn't miss a beat and ALSD never fails like it used to

i dont see why it would be different, but certainly possible

[paulr33]

got your pm and replied

[Stronzo]

seems that your hack works ok with a-lsd, but not with 4wd.

i`ll post road testing results of my electronic amplifier here in the end of this week.