Nistune Forums

If I unplug my AAC my idle does not change at all, like it is doing nothing at all. Same with my cold start valve, even unplugging the TPS doesn't change the idle.

Would this suggest that perhaps my AAC is jammed/failed and not working? Should I expect my idle to change if I unplug it?

I guess the question is do the nissan ECUs use anything other than the AAC valve to control idle speed, eg mixture/ignition ?

I was wondering what would happen if your timing was 30 degrees at idle instead of the 15 base degrees? I had an issue where on cold start the ECU (rb20det r32) would pull timing back to maximum retard making the car horrible to drive in cold weather. PL adjusted the cold start ignition trim map to ...

Sorry .. I seem to be missing that correction message?! Who corrected what? I'm getting confused now ;) If you say they are grouped (and I presume this is in hardware) how can they be sequential?? :?: It isn't sequential, he corrected himself. PL traced the tracks, the ECU fires in batch fire, eg 3...

Torque wrote:I'm getting confused now

If you say they are grouped (and I presume this is in hardware) how can they be sequential??

It isn't sequential, he corrected himself.

Pete do you have a neo r34 ecu lying around? Curious if that is also batch fire.

Interesting information stu, is that all from first hand experience?

Know what I will be upgrading to if I get bored of my highflow!

Oh also, I'm assuming the turbo has a 0.82 rear end?

So a complete retune?

Can we get a graph of VTC on and VTC off with an identical tune and nothing else changed? would be interesting to see the difference.

Mainly interested in the rb20 ecu as that is what I am using with my rb25det.

Just want to be 100% that it is sequential as those posts make it sound like it may not be, also if it is sequential if pins need to be swapped between two injectors. Matt later said it wasn't necessary? Do you know why he said this? Haha you are awesome pete, thanks for looking into it! If the pins...

Think I just found where the misinformation came from: (a) R32 RB20DET ECU with external VCT controller (Buddyclub etc) and Type 2 board with modified TPS Idle firmware Required to swap injectors 4 and 6 since these are different between RB20 and RB25 looms As I pointed out in the other topic, swapp...

That is what I thought, thanks pete.

Someone over on the SAU forums thinks the ECU boards only have 2 injector drivers? If they are sequential they must have 6 surely.