ECT logged values are off

blundar · Post by **blundar** » Thu Oct 18, 2007 4:43 pm

210 ECU = ~220 on gauge 208 ECU = 215 on gauge 203 ECU = 211 on gauge 198 ECU = 210 on gauge 195 ECU = 208 on gauge 187 ECU = 192 on gauge 185 ECU = 190 on gauge

Post by **Synoptic** » Thu Oct 18, 2007 5:13 pm

is the gauge plugged in the same spot as the ECT sensor ? check if the fan turns on at supposed value. If FAN should turn on at 95 celcius, check if eCtune shows 95 when the fan comes on. That way you will know if it's a formula (display) problem, or if the gauges are simply a bit off from eachothers.

Post by **calvin** » Thu Oct 18, 2007 5:32 pm

it switches on at 94.5 if i'm correct. If somebody as a good formula or array to convert byte to celcuis mail it

xenocron · Post by **xenocron** » Fri Oct 19, 2007 3:16 am

When I lower the Fan On Temp to 179, eCtune reads right around 179...but I understood that to mean that eCtune was controlling when the fan came on and no longer the fan switch.

Post by **calvin** » Fri Oct 19, 2007 8:40 am

oth control it. On a EDM/JDM car the fanc wire is not there and just use a wire from a12 to signal side fan switch

rschoener · Post by **rschoener** » Fri Oct 19, 2007 3:53 pm

I noticed the same problem Dave has stated. I have an autometer gauge with the sensor located in the head. right next to the ECT sensor. The autometer gauge is higher the the ECU readings.

Post by **Bugermass** » Fri Oct 19, 2007 4:47 pm

have you tested with other software yet, to see if it always reads off? Is it possible that the honda sensors are just off kinda like the tachs lol. . Be good to test with other software to see if everyone reads off of its its strictly an eCtune thing..

Post by **calvin** » Fri Oct 19, 2007 6:32 pm

i'll add an other table i have for ect/temp translation next release

Post by **calvin** » Fri Oct 19, 2007 6:41 pm

found the right table. I'll update dave tonight or tomorrow

Coupe-r · Post by **Coupe-r** » Fri Oct 19, 2007 7:43 pm

have you tested with other software yet, to see if it always reads off? Is it possible that the honda sensors are just off kinda like the tachs lol. . Be good to test with other software to see if everyone reads off of its its strictly an eCtune thing..

Yes it could be anything from the stock honda sensor being wrong, to where you guage sensor is located. Even your sensor being 2-5F off which isn't much really. (about 2.7C) so 5F off factoring in sensor differences and placement, as long as im within 2 degrees Celcius of real temp i'm happy

xenocron · Post by **xenocron** » Sat Oct 20, 2007 1:16 am

calvin wrote:found the right table. I'll update dave tonight or tomorrow

so we have been using the wrong table all along? can you post what we were seeing and now will be seeing...how far was it off and how do you know this is the correct table? As you tune and get used to an EMS, you notice trends...changing these trends without knowing whats actually changing or was incorrect before is extremely dangerous

Post by **calvin** » Sat Oct 20, 2007 6:42 am

e.g. 0x19 was 93C(200F) is now 97C(207C) Not a big diff. I know for a fact that shinny was off for years and much larger then this. Mine was pretty close.

xenocron · Post by **xenocron** » Sat Oct 20, 2007 10:07 pm

So it was displaying slightly colder...no biggie just wanted to know

Post by **calvin** » Mon Oct 22, 2007 7:12 am

force update and test again;) it's fixed