This is the message I am now receiving;

[19:36:26.467] Using interface OpenPort 1.3 Universal TX2I2IXh0caea4c535d9b68f63ab24f3df87b15a869a1df6
[19:36:33.264] sending init sequence 1 (0001)
[19:36:36.535] sending init sequence 1 (0003)
[19:36:39.801] sending init sequence 1 (FFFF)
[19:36:42.551] no response to any known code
[19:36:42.551] interface close

I am not able to connect to my ECU because my vehicle would have to be running first. When I attempt to read my ECU I follow the instructions and turn the key to the "on" location without starting it that I get the above message. I can't start my vehicle in order to get EcuFlash to read my ECU properly because I flashed it with a completely different ROM without taking into effect my immobilizer code to my key.

Is there any way I can read my ECU and reflash it correctly without starting my car? I have a Windows 8 laptop would this be a possible issue?

Thanks in advance

 

So you've flashed before and it works? Might wanna try and hook up a battery charger to it because the IX's are funny about battery voltage. Sometimes mine won't flash unless I let it run for a minute and charge the battery a bit.

 

I was able to do it prior, this is the thing. The only way I was able to read/flash the ECU was when the vehicle was turned on and running. After I reflashed it I did it with a factory ROM which I did not edit to take the immobilizer into effect. Now the engine will not start because of this. So I need to access my ECU without starting my vehicle, but I cant because that is the error I get.

EcuFlash just wont read it unless the car is running.

 

I had the same deal. I think it is still the voltage, the running vehicle gives a better voltage reading. Try attaching a battery charger in lieu of running the vehicle.

 

I have tried a jump and I was not getting anything past 12v. The thing is I will not be able to turn the engine on because of the fact that my engine is immobilized due to the ROM I flashed my ECU with.

Is anyone out there able to read/write their ECU without turning the engine one?
This will solve my issues if I could get to do that.

 

Battery charger, or even hook up a super fresh battery via jumper cables, or maybe jumper cables from a running car.

 

I don't think you should have to have the engine running to flash the car, I never do. If it won't flash I just start the car and let it run for a minute or two and then shut the engine off and flash with key on.

You probably have a dying battery and need just a little more voltage, try a battery charger or a jump from a running vehicle.

 

Have you tried flashing a previous ROM onto your car?

 

Low battery voltage will do strange ****. It may not be low enough to do anything else tell tale but it will be low enough to screw with ECU Flash. Hook a battery tender to it and try again.

 

Theres no harm in flashing the car with it running. It turns itself off once you flash it with it running anyways before it attempts to write or read from the ecu, so turning it off manually then back on is just making yourself extra steps that can be avoided.

This happens a lot with evo 9's. specifically with the mini batteries. In this case Raziel you need to hook a battery charger up to the battery and let it charge, and if that doesn't allow you to flash it, then you need to replace the battery itself.

I basically just repeated what 90zcrex suggested.

The reason it flashes with the car running is because the alternator is assisting the battery with a charge.

 

Good to know , I'm just used to flashing trucks at work where we must keep engine off key on or bad things happen

 

Try bench flash , take your ECU out from the car and flash back to ori Rom

 

What do you mean by "ori ROM?"

For everyone else, my battery is new and is reading 12.42 volts. I also had another car hooked to my battery as if I was jumping it in order to feed extra voltage to it. Still nothing is happening.

For the rest who don't get it, I cant start my car because I flashed my ECU with a different ROM which has a different immobilizer code than my original. I goofed and didn't realize that I should have taken this into affect when flashing. My car wont start until I reflash it with the correct codes.

 

Was the other car running? That 12.4v is prolly standing voltage, so if the key's on its likely at 12-12.1, not sufficient.

 

Yes the other vehicle was running and I was getting a constant voltage of 12.35-12.42 Would this be sufficient in order to have EcuFlash read my ECU while my car is off and ignition key put into the 'on' position?