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Author Topic: Exhaust Valve control Med9  (Read 3682 times)
purepower
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« on: July 20, 2018, 02:07:11 PM »

Hi to all,

sharing some info on MHH forum, an user told me that the following addresses on a G782_204.bin VW Golf 6 2.0 TFSI 199kw file (attached), are related to the Exhaust Control valve.

I've check on Bosch book and it says that controls is:
- 1D744F = KFBDEMFA
- 1D74A2 = KFBDEMFAD
- 1D74F4 = KFTMFADMX

The values ​​in KFBDEMFA and KFBDEMFAD must describe exactly one operating mode:
Homogeneous (HOM) = 1
- Homogeneous lean (HMM) = 2
Homogeneous layer (HOS) = 4
Layer (SCH) = 8

Default parameterization:
KFBDEMFA: 1 (all values)
KFBDEMFAD: 1 (all values)
KFTMFADMX: 0.0 s (all values)
Stops for all three maps:
nmotbdemfa: 800, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000, 5500, 6000 1 / min
mbdemfa: 0, 10, 20, 30, 40, 50, 60, 75, 80, 90%


So this map I believe are for the injection method. That's is right?

Someone can tell me something more to find the Exhaust control flap map?

Thanks

PurePower
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gman86
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« Reply #1 on: July 21, 2018, 12:24:58 AM »

Hi to all,

sharing some info on MHH forum, an user told me that the following addresses on a G782_204.bin VW Golf 6 2.0 TFSI 199kw file (attached), are related to the Exhaust Control valve.

I've check on Bosch book and it says that controls is:
- 1D744F = KFBDEMFA
- 1D74A2 = KFBDEMFAD
- 1D74F4 = KFTMFADMX

The values ​​in KFBDEMFA and KFBDEMFAD must describe exactly one operating mode:
Homogeneous (HOM) = 1
- Homogeneous lean (HMM) = 2
Homogeneous layer (HOS) = 4
Layer (SCH) = 8

Default parameterization:
KFBDEMFA: 1 (all values)
KFBDEMFAD: 1 (all values)
KFTMFADMX: 0.0 s (all values)
Stops for all three maps:
nmotbdemfa: 800, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000, 5500, 6000 1 / min
mbdemfa: 0, 10, 20, 30, 40, 50, 60, 75, 80, 90%


So this map I believe are for the injection method. That's is right?

Someone can tell me something more to find the Exhaust control flap map?

Thanks

PurePower

The ABGKL module controls the exhaust flap.
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purepower
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« Reply #2 on: July 21, 2018, 03:16:36 AM »

Thank you very much gman86!!

Found it now: Systemkonstante Funktion ABGKL zur Ansteuerung einer Abgasklappe vorhanden = System constant Function ABGKL for controlling an exhaust flap

Flag register: SY_ABGKL = 1

CDCAKRE allows if: CWSTAKDA
  • = 27 & SY_ABGKL> 0
# = Control of the actuator with f = 1 Hz,
B_rqtakr = 1 and arqtakr_w = 0/100%

So looking at the maps (there are 3 of them) I can see integer from 0 to 2.

As far as I understood the Funftion ABGKL controls the exhaust actuator with a frequency  f=1Hz when integer value is > 0

Then on the table where the values are 0 means 0% on the exhaust solenoid valve.

But 1 and 2 what does it means? 1 = 50% and 2=100% ?


Thank you for your answer again.

PurePower
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gman86
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« Reply #3 on: July 21, 2018, 04:23:04 AM »

Thank you very much gman86!!

Found it now: Systemkonstante Funktion ABGKL zur Ansteuerung einer Abgasklappe vorhanden = System constant Function ABGKL for controlling an exhaust flap

Flag register: SY_ABGKL = 1

CDCAKRE allows if: CWSTAKDA
  • = 27 & SY_ABGKL> 0
# = Control of the actuator with f = 1 Hz,
B_rqtakr = 1 and arqtakr_w = 0/100%

So looking at the maps (there are 3 of them) I can see integer from 0 to 2.

As far as I understood the Funftion ABGKL controls the exhaust actuator with a frequency  f=1Hz when integer value is > 0

Then on the table where the values are 0 means 0% on the exhaust solenoid valve.

But 1 and 2 what does it means? 1 = 50% and 2=100% ?


Thank you for your answer again.

PurePower

Yes. 2 = flap closed, 1= 50% and 0 is wide open.

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gman86
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« Reply #4 on: July 21, 2018, 04:25:01 AM »

Should have included the other 2 ...
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purepower
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« Reply #5 on: July 21, 2018, 04:48:45 AM »

Thank you very much now is clear.
In attachment my reading on RomRaider with Definition updated.

What is the conversion factor for Y axis (Air mass) ? I'm using x*0.390625 but it seems like not same as your.

Thanks

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PurePowerPerformance
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