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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) (Except Hybrid) >> System Description >> Component Parts >> Engine Control System >> ENGINE CONTROL SYSTEM: Component Parts Location >> Vehicle Compartment
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Vehicle Compartment

Fig 1: Engine Control System Components Location (Vehicle Compartment)
G09159910Courtesy of NISSAN NORTH AMERICA, INC.
No. Component Function
(1) Refrigerant pressure sensor "REFRIGERANT PRESSURE SENSOR "
Refer to "REFRIGERATION SYSTEM: COMPONENT PARTS LOCATION " for installation.
(2) Battery current sensor (with battery temperature sensor) "BATTERY CURRENT SENSOR (WITH BATTERY TEMPERATURE SENSOR) "
(3) 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.
(4) VVEL control module "VVEL CONTROL MODULE "
(5) VVEL actuator motor relay "VVEL ACTUATOR MOTOR RELAY "
(6) Cooling fan control module "COOLING FAN "
(7) Cooling fan motor-1 "COOLING FAN "
(8) Cooling fan motor-2 "COOLING FAN "
(9) Cooling fan relay "COOLING FAN "
(10) Fuel pump control module "FUEL PUMP CONTROL MODULE "
(11) EVAP canister vent control valve(1) "EVAP CANISTER VENT CONTROL VALVE "
(12) EVAP control system pressure sensor(1) "EVAP CONTROL SYSTEM PRESSURE SENSOR "
(13) EVAP canister EVAP canister stores the generated fuel vapors in the sealed fuel tank to activated charcoals of EVAP canister when the engine is not operating or when refueling to the fuel tank.
(14) Fuel level sensor "FUEL LEVEL SENSOR "
(15) Fuel pump "FUEL PUMP "
(16) Fuel tank temperature sensor "FUEL TANK TEMPERATURE SENSOR "
(1) For North America