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tao13
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« on: March 09, 2019, 10:44:05 AM »
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Hi all.
Any body knows the map or addres for cooling fan temperature and speed?
In FR i found MDLFS but i can not identify in ecu file.
Many thanks in advance
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dal
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« Reply #1 on: March 09, 2019, 07:30:04 PM »
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Your car is a...?
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tao13
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« Reply #2 on: March 09, 2019, 11:08:37 PM »
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1.8t skoda octavia , auq engine code , but works with BAM file from audi tt
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BlackT
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« Reply #4 on: March 10, 2019, 06:57:50 AM »
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512 kb ECU have fan starting wia ECU pin |
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dal
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« Reply #5 on: March 10, 2019, 07:02:55 AM »
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512 kb ECU have fan starting wia ECU pin
But his car is 1024kb wideband right? I'm almost sure his car dont have this. |
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tao13
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« Reply #6 on: March 10, 2019, 07:10:32 AM »
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Correct my file is 1024kb.
I know my temperature sensor but i belived the start temeprature for fans is defined in the ecu file.
Many thanks.
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Blazius
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« Reply #7 on: March 10, 2019, 07:25:03 AM »
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It is an ME 7.5 I am pretty sure its ECU/AC relay activated. The connector for the aux fan runs directly to the ECU, near the power steering reservoir in longitudinal applications.
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tao13
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« Reply #8 on: March 10, 2019, 07:39:16 AM »
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My question was if i can modify start value for fans directly in ecu file (map or scalar value)!
Thanks again
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dal
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« Reply #9 on: March 10, 2019, 10:56:00 AM »
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tao13
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« Reply #10 on: March 10, 2019, 11:58:44 AM »
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ok
many thanks
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staffordshire
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« Reply #11 on: March 12, 2019, 11:08:25 AM »
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ok
many thanks
I believe the ME 7.1.1 had maps to start/stop the cooling fan, |
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nyet
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« Reply #12 on: March 12, 2019, 11:19:15 AM »
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I believe the ME 7.1.1 had maps to start/stop the cooling fan,
ME7.1.1 in the 2.7t (at least) does not have control over the fans, IIRC. Electric fans entirely controlled by the fan control module. Viscous fan clutch controlled by mechanical thermostat I could be wrong. |
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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tao13
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« Reply #13 on: March 12, 2019, 11:23:13 AM »
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It is gone to ecu directly i think it is controled by it
Like Blazius said
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dal
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« Reply #14 on: March 12, 2019, 12:07:16 PM »
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Lets assume the ECU controls the fans start temperatures.
Why when the thermostat stucks in close position (happend to me once), no water flows, water start rising the temp, the coolant temp sensor reads temps high as 125 ºC, and no fan starts?
Thats because with no water flow, no hot water comes in contact with the temperature switch located in the radiator. This thermo-switch located in the radiator, that has 2 temperatures stages, that controls the fans on/off.
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