Engine Room Compartment

Fig 1: Engine Room Compartment 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. Refer to "RELAY CONTROL SYSTEM: SYSTEM DESCRIPTION ". When CAN communication with ECM is impossible, IPDM E/R performs fail-safe control. Refer to "RELAY CONTROL SYSTEM: FAIL-SAFE ".
(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)	Intake manifold runner control valve actuator	"INTAKE MANIFOLD RUNNER CONTROL VALVE "
(6)	Refrigerant pressure sensor	"REFRIGERANT PRESSURE SENSOR "
(7)	EVAP service port	When perform the EVAP leak check, positive pressure is delivered to the EVAP system through the EVAP service port. Refer to "INSPECTION ".
(8)	Transmission range switch	The transmission range switch is installed to upper part of transaxle case. ECM detects the selector lever position because the continuity of the transmission range switch line (the ON) exists.
(9)	ECM	"ECM "