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K12 General Discussion
K12 CR12DE Cam Sensor Fault when cold
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<blockquote data-quote="Muros2007" data-source="post: 718496" data-attributes="member: 24093"><p>Can any one tell me what the cam and crank angle sensor signals look like. I have attached a scope to trace the signals of my Micra K12 1.2S. The crank signal (yellow) shows a square wave and I presume is correct , the cam signal (blue) does not look right to me, I would have thought this would also be a square wave, due to the fact they are both hall effect sensors.</p><p></p><p>The problem I have is that when the car is cold it will stall and flag a cam sensor fault. If the car is warmed up all seems to be fine.[ATTACH=full]41466[/ATTACH]</p></blockquote><p></p>
[QUOTE="Muros2007, post: 718496, member: 24093"] Can any one tell me what the cam and crank angle sensor signals look like. I have attached a scope to trace the signals of my Micra K12 1.2S. The crank signal (yellow) shows a square wave and I presume is correct , the cam signal (blue) does not look right to me, I would have thought this would also be a square wave, due to the fact they are both hall effect sensors. The problem I have is that when the car is cold it will stall and flag a cam sensor fault. If the car is warmed up all seems to be fine.[ATTACH=full]41466[/ATTACH] [/QUOTE]
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K12 CR12DE Cam Sensor Fault when cold
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