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E46 Brake Pads Sensor
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<blockquote data-quote="jarance" data-source="post: 458382" data-attributes="member: 21"><p>first you got to understand how the sensors are wired up. see below.</p><p></p><p><img src="http://i122.photobucket.com/albums/o271/pbjy/E46%20Parts/RotationofCapture_2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>They are wired in series. The circuit have a reverse logic to OFF the light when it see a ground signal. so if the wire is ground then the light in the dashboard will goes OFF. If one of the sensors detect metal (disc) or it is damaged or wire is broken, it will becomes high impedance and cause the light to turn ON at the dash board.</p></blockquote><p></p>
[QUOTE="jarance, post: 458382, member: 21"] first you got to understand how the sensors are wired up. see below. [IMG]http://i122.photobucket.com/albums/o271/pbjy/E46%20Parts/RotationofCapture_2.jpg[/IMG] They are wired in series. The circuit have a reverse logic to OFF the light when it see a ground signal. so if the wire is ground then the light in the dashboard will goes OFF. If one of the sensors detect metal (disc) or it is damaged or wire is broken, it will becomes high impedance and cause the light to turn ON at the dash board. [/QUOTE]
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