Engine Room Compartment

Fig 1: Engine Control System Component Parts Location

Courtesy of NISSAN NORTH AMERICA, INC.

No.	Component	Function
(1)	IPDM E/R	IPDM E/R control the internal relays and the actuators. When CAN communication with ECM is impossible, IPDM E/R performs fail-safe control. With Intelligent Key System "RELAY CONTROL SYSTEM: SYSTEM DESCRIPTION " "FAIL-SAFE " "POWER CONSUMPTION CONTROL SYSTEM: SYSTEM DESCRIPTION " Without Intelligent Key System "RELAY CONTROL SYSTEM: SYSTEM DESCRIPTION " "FAIL-SAFE " "POWER CONSUMPTION CONTROL SYSTEM: SYSTEM DESCRIPTION "
(2)	Mass air flow sensor (with intake air temperature sensor)	"MASS AIR FLOW SENSOR (WITH INTAKE AIR TEMPERATURE SENSOR) "
(3)	Electric throttle control actuator (with built in throttle position sensor and throttle control motor)	"ELECTRIC THROTTLE CONTROL ACTUATOR "
(4)	EVAP canister purge volume control solenoid valve	"EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE "
(5)	EVAP service port	EVAP service port is prepared in order to perform evaporative emission system leak check.
(6)	Intake manifold tuning valve Intake manifold runner control valve	"INTAKE MANIFOLD TUNING VALVE " "INTAKE MANIFOLD RUNNER CONTROL VALVE "
(7)	ECM	"ECM "
(8)	Battery current sensor (with battery temperature sensor)	"BATTERY CURRENT SENSOR (WITH BATTERY TEMPERATURE SENSOR) "