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Coding IHKA, what went wrong
07-03-2017, 07:26 AM,
Post: #1
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Coding IHKA, what went wrong
I retrofitted memory sport seats with seat heating to one F25.
Everything went ok heating etc works as it should, except: I changed IHKA panel to which has seat heating buttons. New (used) panel works ok except in automatic mode blower is in max all the time. Normal it slows down after a while when driving, now it remains in max. The panel works in every ther way fine, so I assume it is not broken. Before coding ISTA showed numer of errors, but after coding SMFA and IHKA there is no errors at all. Any idea what might went wrong in coding? |
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07-03-2017, 08:23 AM,
Post: #2
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RE: Coding IHKA, what went wrong
IHKA automatic mode on E-series takes values from sensor within the climate control panel, there is a little fan on the panel with a small plastic cover over it. I think its called the "AUC Sensor".
I'm quite sure it works this way on F25 also. Remove that little panel and check the little fan/sensor and makr sure it's working. Its a common fault on E39, E60/E61, And upload the .ncd file here and ill check for coding errors. Please, Press the Buttons and if you feel that this post helped you!
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07-03-2017, 08:47 AM,
(This post was last modified: 07-03-2017, 08:58 AM by Node.)
Post: #3
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RE: Coding IHKA, what went wrong
I believe the AUC sensor is located near the radiator/grill and detect pollutants in the air to activate air recirculation. You are talking about different sensor. I believe its called simply "interior temperature sensor". You can read its signal via diagnosis (there is an ABL in ista+ called heating/air conditioning function: interior temperature sensor). And see if it produces sane values.
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07-03-2017, 08:58 AM,
Post: #4
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RE: Coding IHKA, what went wrong
(07-03-2017, 08:23 AM)Loliceman Wrote: IHKA automatic mode on E-series takes values from sensor within the climate control panel, there is a little fan on the panel with a small plastic cover over it. I think its called the "AUC Sensor". I assume You mean that sensor blower. I check it today, same time i try to send .ncd. Honestly F- series coding is still a bit new to me, but I assume I did everything ok. |
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07-03-2017, 13:31 PM,
(This post was last modified: 07-03-2017, 13:51 PM by Clusters.)
Post: #5
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RE: Coding IHKA, what went wrong
Iwas a bit wrong. IHKA works otherwise correct, but blower setting in automatic is not automatic. So blower is allways what is set by user, even in automatic mode.
.ncd is here: |