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CPS current

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Old 11-04-2008, 08:36 PM
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Gregor
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Default CPS current

Can someone tell me how high the current should be that comes off the crankshaft position sensor.

thanks
Old 12-04-2008, 01:42 PM
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Rick
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It isn't a current, it's an AC voltage. It increases with amplitude and frequency with engine speed. At cranking speeds, you should have around 3V minimum, it will rise to 100+ with speed. With engine stopped, it will be zero.
Old 12-04-2008, 08:44 PM
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Gregor
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Originally Posted by Rick
It isn't a current, it's an AC voltage. It increases with amplitude and frequency with engine speed. At cranking speeds, you should have around 3V minimum, it will rise to 100+ with speed. With engine stopped, it will be zero.

Yea sorry my bad.
It's no current... was thinking voltage...( i'm not Englisch )

But anyway, so at cranking i should see 3v if i messure it at the sensor when its not connected to the ecu...
Will see what i get tomorrow..

Thanks
Old 13-04-2008, 11:58 AM
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DazC
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From memory, I usually see 2.5v at cranking across the 2 terminals (ECU disconnected).
Old 13-04-2008, 01:34 PM
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Thanks mate, i'll have a look at it
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