T100 Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1993)
Camshaft Position Sensor: Description and Operation
PURPOSE
The Camshaft Position Sensor, though separate, works in conjunction with the Crankshaft Position Sensor and produces an output pulse to the
Engine Control Module (ECM). The ECM uses this signal to determine cam angle and relative piston position for each cylinder.
OPERATION
The Camshaft Position Sensor is incorporated with the Crankshaft Position Sensor. They are made up of three separate pick-up coils: the NE
pick-up coil and the G1 and G2 pickup coils. The G1 and G2 coils detect the camshaft position. Whenever the engine is rotating, a sine-wave
signal is returned to the ECM. As engine speed increases the frequency of the signal increases as well. When coupled with the signal of the NE
pickup coil, exact cam and piston position can be determined by the ECM.