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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 >> Vehicle Compartment
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Vehicle Compartment

2WD models 

GNSJSBIB0424ZZ-424Courtesy of NISSAN NORTH AMERICA, INC.
WZ-A Radiator assembly WZ-B Fuel tank assembly WZ-C EVAP canister assembly
WZ-D Periphery of pedals        
No. Component Function
WHITE-1 FPCM FPCM (FUEL PUMP CONTROL MODULE) 
WHITE-2 Right front door control unit* -
WHITE-3 ICC sensor Mainly transmits the following signal to ECM via CAN communication.
  • Engine torque request signal
WHITE-4 Electronic stability program control unit Mainly transmits the following signal to ECM via CAN communication.
  • Brake light switch signal
  • Cruise control request signal
  • Wheel speed signal
  • Engine start request signal
  • Engine start enable status signal
  • Engine stop prohibited request signal
WHITE-5 TCM (Transaxle inside) Mainly transmits the following signal to ECM via CAN communication.
  • Engine torque request signal
  • Selector lever position signal

Mainly receives the following signal from ECM via CAN communication.
  • Shift point increase request signal
WHITE-6 Air bag diagnosis sensor unit Transmits the following signal to ECM via wiring harness.
  • Crash signal

Mainly transmits the following signal to ECM via CAN communication.
  • Crash signal
  • Front seat belt buckle switch (driver side) signal
WHITE-7 Left front door control unit Transmits the following signal to ECM via wiring harness.
  • Ignition ON signal

Mainly transmits the following signal to ECM via CAN communication.
  • Front door switch (driver side) signal
WHITE-8 BCM Mainly transmits the following signal to ECM via CAN communication.
  • Engine hood switch signal
  • Ignition switch status signal
  • Outside temperature signal
  • Stop/start switch signal
WHITE-9 Steering column control module Mainly transmits the following signal to ECM via CAN communication.
  • Steering wheel angle signal
WHITE-10 A/C auto amp. Mainly transmits the following signal to ECM via CAN communication.
  • Air conditioning status signal
WHITE-11 Upper control panel control unit (with stop/start switch) Mainly transmits the following signal to BCM via LIN communication.
  • Stop/start switch signal
WHITE-12 Sub battery relay The sub battery relay is controlled by BCM and supplies sub battery voltage to on-board electrical system while restart the engine. (stop/start system)
For the details of the control, refer to SYSTEM DESCRIPTION .
WHITE-13 Electronic ignition switch control unit Mainly transmits the following signal to ECM via CAN communication.
  • Ignition switch status signal
  • Starter status signal
WHITE-14 Combination meter Mainly transmits the following signal to ECM via CAN communication.
  • Fuel level signal
  • Vehicle speed signal

Mainly receives the following signal from ECM via CAN communication.
  • Malfunction indicator lamp signal
  • Glow indicator lamp signal
  • Stop/start indicator signal
WHITE-15 Cooling fan motor Cooling fan motor receives PWM signal from ECM. The revolution speed of cooling fan motor is controlled by duty cycle of the voltage.
WHITE-16 Radiator shutter actuator* -
WHITE-17 Fuel tank pressure sensor Senses fuel tank pressure.
WHITE-18 Fuel pump FUEL LEVEL SENSOR UNIT AND FUEL PUMP 
WHITE-19 EVAP canister vent control valve The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components. This solenoid valve is used only for diagnosis, and usually remains opened.
WHITE-20 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.
CIRCLE WHITE-21 Accelerator pedal position sensor ACCELERATOR PEDAL POSITION SENSOR 

*: Not applicable

AWD models 

GNSJSBIB0479ZZ-479Courtesy of NISSAN NORTH AMERICA, INC.
WZ-A Radiator assembly WZ-B Fuel tank assembly WZ-C EVAP canister assembly
WZ-D Periphery of pedals        
No. Component Function
WHITE-1 FPCM FPCM (FUEL PUMP CONTROL MODULE) 
WHITE-2 Right front door control unit* -
WHITE-3 ICC sensor Mainly transmits the following signal to ECM via CAN communication.
  • Engine torque request signal
WHITE-4 Electronic stability program control unit Mainly transmits the following signal to ECM via CAN communication.
  • Brake light switch signal
  • Cruise control request signal
  • Wheel speed signal
  • Engine start request signal
  • Engine start enable status signal
  • Engine stop prohibited request signal
WHITE-5 TCM (Transaxle inside) Mainly transmits the following signal to ECM via CAN communication.
  • Engine torque request signal
  • Selector lever position signal

Mainly receives the following signal from ECM via CAN communication.
  • Shift point increase request signal
WHITE-6 Air bag diagnosis sensor unit Transmits the following signal to ECM via wiring harness.
  • Crash signal

Mainly transmits the following signal to ECM via CAN communication.
  • Crash signal
  • Front seat belt buckle switch (driver side) signal
WHITE-7 Left front door control unit Transmits the following signal to ECM via wiring harness.
  • Ignition ON signal

Mainly transmits the following signal to ECM via CAN communication.
  • Front door switch (driver side) signal
WHITE-8 BCM Mainly transmits the following signal to ECM via CAN communication.
  • Engine hood switch signal
  • Ignition switch status signal
  • Outside temperature signal
  • Stop/start switch signal
WHITE-9 Steering column control module Mainly transmits the following signal to ECM via CAN communication.
  • Steering wheel angle signal
WHITE-10 A/C auto amp. Mainly transmits the following signal to ECM via CAN communication.
  • Air conditioning status signal
WHITE-11 Upper control panel control unit (with stop/start switch) Mainly transmits the following signal to BCM via LIN communication.
  • Stop/start switch signal
WHITE-12 Sub battery relay The sub battery relay is controlled by BCM and supplies sub battery voltage to on-board electrical system while restart the engine. (stop/start system)
For the details of the control, refer to SYSTEM DESCRIPTION .
WHITE-13 Electronic ignition switch control unit Mainly transmits the following signal to ECM via CAN communication.
  • Ignition switch status signal
  • Starter status signal
WHITE-14 Combination meter Mainly transmits the following signal to ECM via CAN communication.
  • Fuel level signal
  • Vehicle speed signal

Mainly receives the following signal from ECM via CAN communication.
  • Malfunction indicator lamp signal
  • Glow indicator lamp signal
  • Stop/start indicator signal
WHITE-15 Cooling fan motor Cooling fan motor receives PWM signal from ECM. The revolution speed of cooling fan motor is controlled by duty cycle of the voltage.
WHITE-16 Radiator shutter actuator* -
WHITE-17 Fuel tank pressure sensor Senses fuel tank pressure.
WHITE-18 Fuel pump FUEL LEVEL SENSOR UNIT AND FUEL PUMP 
WHITE-19 EVAP canister vent control valve The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components. This solenoid valve is used only for diagnosis, and usually remains opened.
WHITE-20 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.
CIRCLE WHITE-21 Accelerator pedal position sensor ACCELERATOR PEDAL POSITION SENSOR 

*: Not applicable

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