Crankshaft Position Sensor: Specifications

Voltage between terminals a, d and ground: [1]
Terminal "a" to ground fluctuates between 5.0 and 0 Volts DC
Terminal "d" to ground fluctuates between 5.0 and 0 Volts DC
Supply Voltage 12 Volts DC

[1] Watch voltmeter's pointer fluctuation, while rotating sensor shaft by hand.