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Home >> Infiniti >> 2015 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) (Exc Hybrid) >> System Description >> Component Parts >> Engine Control System >> Component Parts Location >> Vehicle Compartment
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Vehicle Compartment

Fig 1: Engine Control System Component Parts Location (Vehicle Compartment Components)
GNSJSBIA3948ZZ-948Courtesy of NISSAN NORTH AMERICA, INC.
  Around the battery   Around the radiator   Fuse and fusible link block
  Left side of trunk room   Right side of main muffler   Rear seat (lower right)
No. Component Function
  Refrigerant pressure sensor REFRIGERANT PRESSURE SENSOR 
Refer to COMPONENT PARTS LOCATION for installation.
  Battery current sensor (with battery temperature sensor) BATTERY CURRENT SENSOR (WITH BATTERY TEMPERATURE SENSOR) 
  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.
  VVEL control module VVEL CONTROL MODULE 
  VVEL actuator motor relay VVEL ACTUATOR MOTOR RELAY 
  Cooling fan control module COOLING FAN 
  Cooling fan motor - 1 COOLING FAN 
  Cooling fan motor - 2 COOLING FAN 
  Cooling fan relay COOLING FAN 
  Fuel pump control module* FUEL PUMP CONTROL MODULE 
  EVAP canister vent control valve EVAP CANISTER VENT CONTROL VALVE 
  EVAP control system pressure sensor EVAP CONTROL SYSTEM PRESSURE SENSOR 
  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.
  Fuel level sensor FUEL LEVEL SENSOR 
  Fuel pump FUEL PUMP 
  Fuel tank temperature sensor FUEL TANK TEMPERATURE SENSOR 

*: With fuel pump control module (FPCM) models. Refer to HOW TO CHECK VEHICLE TYPE .