Sensor R is approx 1000 ohm
Output will read between .25-2.0 AC volts at 60 RPM
So , you simply spin the wheel 1 turn per sec with the meter set on 5V/AC scale ..

R factor has nothing to do with output measuement and remains constant....meaning, you do not use ohms scale to test an ABS sensors output...R only verifies sensors coil Resistance for open or short.
You will get a Different reading on OHMS scale , but that is a false , voltage induced reading.

What you really want is a scope sinewave so you can tell each and every reluctor trigger on the sine, but a AC reading will give you an output reading, just not as accurate/complete as the actual signal the ABS module is looking for ..it wants to compare frequency waveshapes b/c that is what the module sees.

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A Dalton