Magneto resistive sensors
4 years 2 weeks ago #38808
by Mahdi
Magneto resistive sensors was created by Mahdi
Hello guys,
I'm trying to find the magneto resistive sensors circuit diagram for both the ( ECU inside circuit & the sensor inside circuit ) , but unfortunately Paul in his videos didn't illustrate and draw the circuit unlike his topics of VRS and Hall effect sensors.
So please guys help me as I'm preparing research related to this topics.
Thanks,
I'm trying to find the magneto resistive sensors circuit diagram for both the ( ECU inside circuit & the sensor inside circuit ) , but unfortunately Paul in his videos didn't illustrate and draw the circuit unlike his topics of VRS and Hall effect sensors.
So please guys help me as I'm preparing research related to this topics.
Thanks,
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4 years 2 weeks ago #38836
by Dylan
Replied by Dylan on topic Magneto resistive sensors
Interesting subject. I've read quite some confusion whether it's a Hall effect or an MRE.
What I've learned so far. These active sensors operate differently. The 2 wire Hall effect can have an internal magnet with classic tone ring or an external magnet in the wheel hub.
With the sensor plugged in you should read a 12v feed on one wire and around 1.8 volts on the other this being the signal wire.
An MRE plugged in or not will read a 12v feed and a ground on the other wire. Plugged in the ECU watches the change in amperage (typically between 7 to 14 mA) caused by the altering resistance when tone ring moves.
I hope more of us will jump in here and add to or correct the information above. Also some wiring diagrams as a visual aid.
What I've learned so far. These active sensors operate differently. The 2 wire Hall effect can have an internal magnet with classic tone ring or an external magnet in the wheel hub.
With the sensor plugged in you should read a 12v feed on one wire and around 1.8 volts on the other this being the signal wire.
An MRE plugged in or not will read a 12v feed and a ground on the other wire. Plugged in the ECU watches the change in amperage (typically between 7 to 14 mA) caused by the altering resistance when tone ring moves.
I hope more of us will jump in here and add to or correct the information above. Also some wiring diagrams as a visual aid.
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4 years 2 weeks ago #38880
by Andy.MacFadyen
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)
Replied by Andy.MacFadyen on topic Magneto resistive sensors
Their was a good tehnical introduction to 2 wire Hall Effect sensor ABS sysyem provided by either Kia or Hyundai I will see if I can find it. Hella also have some detailed web pages on the various types.
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)
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4 years 2 weeks ago #38911
by Dylan
Replied by Dylan on topic Magneto resistive sensors
This is one from Paul.
PJ from Voltage Drop Diagnostics testing wiring MRE sensor.
PJ from Voltage Drop Diagnostics testing wiring MRE sensor.
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4 years 2 weeks ago #38912
by Dylan
Replied by Dylan on topic Magneto resistive sensors
Article from Bernie Thompson in Motor Age.
www.searchautoparts.com/automechanika-ch...nce-element?page=0,1
www.searchautoparts.com/automechanika-ch...nce-element?page=0,1
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