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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> System Description >> Component Parts >> Component Location >> Engine Room Compartment
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Engine Room Compartment

GNSJSBIB0501ZZ-501Courtesy of NISSAN NORTH AMERICA, INC.
WZ-A Fuse and fusible link block 1 WZ-B Battery under side WZ-C Engine room center
ARROW : Vehicle front        
No. Component Function
WHITE-1 Pressure sensor downstream of air filter PRESSURE SENSOR DOWNSTREAM OF THROTTLE VALVE 
WHITE-2 Intake camshaft valve lift switchover INTAKE CAMSHAFT VALVE LIFT SWITCHOVER 
WHITE-3 ECM ECM 
WHITE-4 Decoupling relay The decoupling relay is controlled by BCM and changes power supply circuit of on-board electrical system while restart the engine. (stop/start system)
For the details of the control, refer to SYSTEM DESCRIPTION .
WHITE-5 Starter relay The decoupling relay is controlled by ECM and supplies battery voltage to starter motor. For the details of control, refer to SYSTEM DESCRIPTION .
WHITE-6 Motor relay The motor relay is controlled by ECM and supplies battery voltage to ECU, actuator, sensor, and etc.
WHITE-7 Water pump relay The water pump relay is controlled by ECM and supplies battery voltage to water pump. For the details of the control.
WHITE-8 EVAP purge control valve EVAP PURGE CONTROL VALVE 
WHITE-9 EVAP control system pressure sensor The EVAP control system pressure sensor detects pressure in the purge line.