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Tuning Evo789 ACD

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Old Jan 23, 2016, 12:19 PM   #226
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Merlin - how are you logging the 401702 ACD parameters?


I have not been able to log dynamic values with OP 2.0 and EvoScan v2.9.0100 for the 401702 ROM you posted. Although I can connect to the ACD in EvoScan 2.9, I only see fixed maximum values for any ACD parameters that I select. It looks like an EvoScan 2.9 software problem or maybe a baud rate mismatch.
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Old Jun 9, 2016, 10:00 PM   #227
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Quote:
Originally Posted by cdrinkh2o View Post
I took a look but the ROM you uploaded doesn't match the memory layout of the Evo 5/6 or 7/8 with ACD+AYC. I guess that the file is corrupted. Try pulling it again.
Sorry for the LOOONG wait, from what I searched I am running the K1 rom . The car doesn't feels like running the K1. I even downloaded (a supposed) k1 rom that is in this thread and they are the same (still i don't know if this is the K1).

Can you please check? I'll attach it here...

And if someone has the real K1 rom for ACD/AYC Evo 7 , can you please share?

Thanks
D
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Old Jan 29, 2017, 04:48 AM   #228
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Hello,

I have few questions and I will be grateful for answers.

1. What trigger use in Decel map? "Longitudinal G Sensor" or "Stop Lamp Switch" (brake pedal)? If I'll press together throttle and a little bit brake pedal (will accelerate), what map will used Accel or Decel??

2. ACD THROTTLE Lockup Adder - Decel maps. We have lock only under throttle and it's confused me. In Motec ECU breaking map have lock in all area (attached). Is it 0 lock will be under braking and without throttle?

Thanks for any help.
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Old Jan 30, 2017, 09:57 PM   #229
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The ACD does supply lockup under braking and it has been my understanding it was triggered from the brake/stop signal input, not the longitudinal G sensor. That sensor plays into other maps.

What happens when you throttle and brake?
Good question and I dont know the answer for a certainty here but I believe the decel maps will still be triggered even though you have lots of throttle.
And, in most tunes, the throttle adder maps are the same for accel and decel.

I hope that helps.
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Old Jun 30, 2017, 02:16 PM   #230
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I made some testings with MUT3. I watched at the ACD values (mV) of the solenoid.
For testing ACD THROTTLE Lockup Adder on decel I set 100% lock in lockup decel map.
Value ACD solenoid depended on the longitudinal G sensor load (low G, slow braking - low value ACD solenoid, hight G - hight value ACD solenoid).
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