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soundqrj
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Last seen: 28 min 35 sec ago
Joined: 05/20/2020 - 14:27
Honda s2000 coolant temp sensor calibration

Hi, I have a 2005 ap2 honda s2000 with the aem series 2, and I have read from a forum that the coolant temp needs to be calibrated in AEMtuner for it to read correctly, or else it will read a little higher than it actually is. I was hoping I could get a little bit of guidance on how to do this. However, will this mess up the current tune on the ecu? Cause that would be a problem if so. But in the case that it isn't, this is what I have found so far.

From reading online, I was able to find 2 set of numbers that I think are potentially the right one for me, but I'm not sure. 

1) 261 261 230 205 183 165 149 135 124 113 104 97 90 82 77 72 66 61 55 50 45 39 34 28 21 16 10 5 0 -4 -8 -9 -11

2) 261  246   214   185  165  153   140  131  122   115  108 100  93  88  82  77  72  66  61  57  52  46  41  36  30  27  23  19  16  12  9  5  3

If one of these are right for a 05 s2000 on series 2, please let me know. I am also pretty new to AEMtuner so I'm not sure where I would plug these numbers into. If anyone can help, it would be greatly appreciated! 

EvoNate
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Last seen: 13 hours 9 min ago
Joined: 09/16/2016 - 18:02
Changing the coolant sensor

Changing the coolant sensor calibration table can affect the current tune. How much it's affected depends on how different the current coolant sensor cal is vs what you want to change it to. If the changes aren't that drastic, and your tuner is competant enough to tune within reasonable feedback limits, you'll probably be fine. Worse case scenario, you change it back. Before doing anything, I would check to see if the coolant temp is reading correclty or not. If the engine is cold, you can expect coolant temp to be very close to the ambient temperature.

I can't help you with which data to use, but you'll find the 'Coolant Sensor Cal' table under the Sensors tab in AEMTuner.

soundqrj
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Last seen: 28 min 35 sec ago
Joined: 05/20/2020 - 14:27
Thanks, I appreciate your

Thanks, I appreciate your input!