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post #1 of 11 (permalink) Old 06-11-2016, 05:05 PM Thread Starter
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Thunder Max and air temp

I installed a Thunder Max tuner last weekend on my 2016 FLTRXS, just noticed this issue. Went on a ride yesterday and today, both days the air temp was in the 90's. The ambient air gauge never went about 77. It seemed to be working fine before the install of the tuner. Anyone hear of this problem? Is it a HD issue or a Thunder Max issue? Will erroneous air temp readings cause any performance problems?

Thanks

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post #2 of 11 (permalink) Old 06-12-2016, 12:07 PM
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Since the T-max is a complete ECM I would say the T-max is the problem. No the ambient air temp malfunction will not affect the way the bike runs so you can either live with it or contact T-max support and explain the problem.
Make sure you are running the latest updates in the T-max module.


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post #3 of 11 (permalink) Old 06-20-2016, 08:47 PM Thread Starter
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I got in touch with customer support at Thunder Max, we went through some basic diagnosis. Everything seemed to be OK with the module, it was just giving a inaccurate AAT reading. The last test was to reinstall the OEM module, verify an accurate reading. OEM module gave a good reading, this eliminate a bad senor or loose wire. Thunder Max said they would ship a new module. Yesterday, I took my son on a ride. The AAT reading was correct, WTF? I emailed Thunder Max, we decided to run it for a while and see what happens. Hopefully this will be the end of any issues.

Over all Thunder Max support has been good, thanks Josh!

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post #4 of 11 (permalink) Old 06-21-2016, 12:21 PM
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Wait, are you talking about the thermometer on the dash?


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post #5 of 11 (permalink) Old 06-21-2016, 09:12 PM Thread Starter
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Quote:
Originally Posted by PFWiz View Post
Wait, are you talking about the thermometer on the dash?
yes, that it.

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post #6 of 11 (permalink) Old 06-22-2016, 08:37 AM
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I am 99.9% sure that the Air Temp gauge does not utilize the ECM in any way. Some folks just remove it and install an oil temp gauge in its place....
Most folks think it is useful as tits on a boar hog.

Anyway I am pretty sure that your TM has nothing to do with it.
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2011 FLTRU Because Momma wants me to be happy and because we all know deep down in our hearts that black bikes are faster! Thundermax TBW with Tman 555 tq cams, Drago's Dragula 2:1 exhaust and a Big Sucker. Lowered 1" with Progressive Monotubes and Ohlin 3-3s. SG rear facia, BAL-1, Daymakers, Diamond Plate Collection, 16" Madstad, J&M Rokkers with Bazooka 200.4 amp, Lenale fan, Harley Road Zepplin, 12" Wild Ones Chubby Outlawz and a G-Max 205-55-16 rear tire.
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post #7 of 11 (permalink) Old 05-15-2017, 10:05 PM
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I thought the ECM got the air temp from around the air cleaner and the one in the dash was in the fairing which has nothing to do with the way the bike runs.
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post #8 of 11 (permalink) Old 05-16-2017, 03:10 PM
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The air temp gauge is a joke when its hot outside you will know it without that gauge


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post #9 of 11 (permalink) Old 05-16-2017, 08:59 PM
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The ECM uses a different sensor for intake air temp. The dash gauge has a ambient temp sensor of it own.

No connection between the two beyond battery voltage.

Take that thing out and put a head temperature gauge in place of it.


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post #10 of 11 (permalink) Old 05-16-2017, 10:22 PM
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He's got a RUSHMORE folks. Temperature is part of the Infotainment system.
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