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Hall sensor issue
Posted: Fri Jun 03, 2016 3:39 pm
by danypower
Hi, many thanks in advance I have an issue with a hall effect cams sensor, the gnd and +5v are correctly wired, but with the pullup resistor ON I can read only more or less 2,5 volts on the signal pin. The scope trace is a 0/2,5 square wave trace and the emu doesn't detect the sensor. I tried with a magnetic sensor and the ecu channel works well. Who can help me ?? Many thanks
DANY
Re: Hall sensor issue
Posted: Fri Jun 03, 2016 3:57 pm
by RHD
some hall sensors need 12V
Re: Hall sensor issue
Posted: Fri Jun 03, 2016 7:57 pm
by danypower
Thanks for replay mate,no i'm sure this is a 5 v sensor. I checked with the oem ecu. Any suggestion???
Re: Hall sensor issue
Posted: Sat Jun 04, 2016 11:14 am
by RHD
a little more info might be helpful.. like what engine and sensor brand etc, they come in all different configurations so some need a pullup and some dont. if you are getting any signal at all on the EMU SCOPE then its working
usually they do require the pullup enabled and are connected to sensor ground signal and power be it 5 or 12v
it can only be faulty sensor or incorrectly wired, theres nothing else it can be