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Home >> Infiniti >> 2018 >> QX30 Pure >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> System Description >> Component Parts >> Component Parts Location >> Vehicle Compartment
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Vehicle Compartment

2WD models 

GNSJSBIB0424Z-424Courtesy of NISSAN NORTH AMERICA, INC.

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Radiator assembly

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Fuel tank assembly

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EVAP canister assembly

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Periphery of pedals

No.

Component

Function

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FPCM

FPCM (Fuel Pump Control Module) 

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Right front door control unit*

--

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ICC sensor

Mainly transmits the following signal to ECM via CAN communication.

  • Engine torque request signal

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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

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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

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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

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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

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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

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Steering column control module

Mainly transmits the following signal to ECM via CAN communication.

  • Steering wheel angle signal

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A/C auto amp.

Mainly transmits the following signal to ECM via CAN communication.

  • Air conditioning status signal

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Upper control panel control unit (with stop/start switch)

Mainly transmits the following signal to BCM via LIN communication.

  • Stop/start switch signal

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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 .

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Electronic ignition switch control unit

Mainly transmits the following signal to ECM via CAN communication.

  • Ignition switch status signal
  • Starter status signal

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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

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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.

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Radiator shutter actuator *

--

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Fuel tank pressure sensor

Senses fuel tank pressure.

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Fuel pump

Fuel Level Sensor Unit and Fuel Pump 

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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.

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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.

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Accelerator pedal position sensor

Accelerator Pedal Position Sensor 

*: Not applicable

AWD models 

GNSJSBIB0479Z-479Courtesy of NISSAN NORTH AMERICA, INC.

SYMBOL

Radiator assembly

SYMBOL

Fuel tank assembly

SYMBOL

EVAP canister assembly

SYMBOL

Periphery of pedals

No.

Component

Function

SYMBOL

FPCM

FPCM (Fuel Pump Control Module) 

SYMBOL

Right front door control unit*

--

SYMBOL

ICC sensor

Mainly transmits the following signal to ECM via CAN communication.

  • Engine torque request signal

SYMBOL

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

SYMBOL

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

SYMBOL

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

SYMBOL

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

SYMBOL

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

SYMBOL

Steering column control module

Mainly transmits the following signal to ECM via CAN communication.

  • Steering wheel angle signal

SYMBOL

A/C auto amp.

Mainly transmits the following signal to ECM via CAN communication.

  • Air conditioning status signal

SYMBOL

Upper control panel control unit (with stop/start switch)

Mainly transmits the following signal to BCM via LIN communication.

  • Stop/start switch signal

SYMBOL

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 .

SYMBOL

Electronic ignition switch control unit

Mainly transmits the following signal to ECM via CAN communication.

  • Ignition switch status signal
  • Starter status signal

SYMBOL

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

SYMBOL

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.

SYMBOL

Radiator shutter actuator *

--

SYMBOL

Fuel tank pressure sensor

Senses fuel tank pressure.

SYMBOL

Fuel pump

Fuel Level Sensor Unit and Fuel Pump 

SYMBOL

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.

SYMBOL

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.

SYMBOL

Accelerator pedal position sensor

Accelerator Pedal Position Sensor 

*: Not applicable

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