Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Clubman (R55), Cooper and Cooper S(R56), and Cabrio (R57).

Testing crankshaft sensor voltage for p0338/9

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Old 11-30-2023 | 05:07 PM
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hmmmn
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Testing crankshaft sensor voltage for p0338/9

Hi, New to the forum.

My 2011 mini clubman S is still having fault codes p0338 and p0339, even after replacing the crankshaft position sensor.

After testing the 3 pins on the electrical connector to the crankshaft sensor,
Pin 1 (supply) has +5V,
Pin has ground,
Pin 3 (signal) moves from +5V to 0 volts when I test the hall effect magnet with a metal object, or by rotating the crank with the sensor installed.

The problem is that pin 3 signal supposedly needs to be +12v to 0 volts. I read on the pelican parts crankshaft position sensor 'how to' that there are voltage regulators in the module(dme?) that control voltage amounts?
 
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