System Diagram

Fig 1: Intake Valve Timing Control System Diagram

Courtesy of NISSAN NORTH AMERICA, INC.

Input/Output Signal Chart

Sensor	Input Signal To ECM	ECM Function	Actuator
Crankshaft position sensor (POS)	Engine speed and piston position	Intake valve timing control	Intake valve timing control solenoid valve
Camshaft position sensor (PHASE)	Engine speed and piston position
Engine oil temperature sensor	Engine oil temperature
Engine coolant temperature sensor	Engine coolant temperature
Combination meter	Vehicle speed*

*: This signal is sent to the ECM through CAN communication line