Q45 V8-4494cc 4.5L DOHC (VH45) (1992)
Crankshaft Position Sensor: Description and Operation
Sub-Crankshaft Position Sensor
Crankshaft Position Sensor (CKPS) Sub-Sensor
PURPOSE
The Sub-Crankshaft Position Sensor operates when the Crankshaft Position Sensor is malfunctioning.
OPERATION
The Sub-Crankshaft Position Sensor is a small magnetic generator which consists of a signal rotor and a pickup. The perimeter of the signal rotor
has grooves which change the magnetic lines of force across the pickup so that a pulse is produced.