System Diagram

Courtesy of NISSAN NORTH AMERICA, INC.

Component parts	Function
Crankshaft position sensor	Crankshaft Position Sensor .
Intake camshaft position sensor	Intake Camshaft Position Sensor .
Mass air flow sensor	Mass Air Flow Sensor .
Engine coolant temperature sensor 1	Engine Coolant Temperature Sensor .
Throttle position sensor	Electric Throttle Control Actuator .
Accelerator pedal position sensor	Accelerator Pedal Position Sensor .
Battery	ECM receives the battery voltage signal.
Knock sensor	Knock Sensor .
TCM	ECM receives the gear position via CAN communication.
Combination meter	ECM receives the vehicle speed signal via CAN communication.
ECM	ECM .
Ignition coil (with power transistor)	Ignition Coil With Power Transistor .