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Testing Camshaft Sensors

Three Wire Hall Effect Sensor Type (Engine Sensor)

These can be tested with a multi-meter, there should be a 5 volt supply, a negative with ignition on and a switching voltage with the engine turning, the meter will read the average of the switching normally between 0.5-1.5 volts.

Using a Multi-Meter

Insert a paper clip into rear of the connecter see picture, you should read 5 volts between pins 1 and 2 with the ignition on and a switching voltage (0.5-1.5v) between 2 and 3 with the engine turning.
Note check pin numbers may be different and black tape to prevent shorting.

Video of Testing Camshaft Sensor