Nissan Juke Service and Repair Manual : Fuel pressure control

Fuel pressure control : System Diagram

Fuel pressure controlL : System Description


Fuel pressure controlL : System Description

INPUT/OUTPUT SIGNAL CHART

*: ECM determines the start signal status by the engine speed signal and


*: ECM determines the start signal status by the engine speed signal and battery voltage.

CVT models

System Description

Low fuel pressure control


Low fuel pressure control The low fuel pressure pump is controlled by ECM. The pumped fuel passes through the fuel filter and is sent to the high pressure fuel pump.

Low fuel pressure is adjusted by the fuel pressure regulator.

High fuel pressure control The high pressure fuel pump raises the pressure of the fuel sent from the low pressure fuel pump. Actuated by the camshaft, the high pressure fuel pump activates the high pressure fuel pump solenoid based on a signal received from ECM, and adjusts the amount of discharge by changing the timing of closing the inlet check valve to control fuel rail pressure.

M/T models

System Description

Low fuel pressure control


Low fuel pressure control The low fuel pressure pump is controlled by the fuel pump control module (FPCM) and pumps fuel according to a driving condition. The pumped fuel passes through the fuel filter and is sent to the high pressure fuel pump. FPCM controls the low pressure fuel pump, according to a signal from ECM as shown in the table below.

 Low fuel pressure is adjusted by the fuel pressure regulator.


Low fuel pressure is adjusted by the fuel pressure regulator.

High fuel pressure control The high pressure fuel pump raises the pressure of the fuel sent from the low pressure fuel pump. Actuated by the camshaft, the high pressure fuel pump activates the high pressure fuel pump solenoid based on a signal received from ECM, and adjusts the amount of discharge by changing the timing of closing the inlet check valve to control fuel rail pressure

    Direct injection gasoline system
    Direct injection gasoline system : System Diagram Direct injection gasoline system : System Description INPUT/OUTPUT SIGNAL CHART *1: This sensor is not used to control the engine system under ...

    Electric ignition system
    Electric ignition system  : System Diagram Electric ignition system  : System Description INPUT/OUTPUT SIGNAL CHART *1: CVT models *2: M/T models *3: ECM determines the start signa ...

    Other materials:

    Diagnosis system (BCM)
    Common item COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) APPLICATION ITEM CONSULT-III performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the following functions for each system. NOTE: It can perform the diagnosis modes except the ...

    Engine emits blue smoke
    Description CHART 19: ENGINE EMITS BLUE SMOKE Diagnosis Procedure 1.CHECK ENGINE OIL Check the grade of engine oil. Refer to LU-33, "Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Replace engine oil. Refer to LU-34, "Refilling". 2.CH ...

    Key out interlock door unlock function does not operate
    Diagnosis Procedure 1.CHECK AUTOMATIC LOCK/UNLOCK SELECT SETTING IN WORK SUPPORT 1. Select DOOR LOCK of BCM using CONSULT-III. 2. Select AUTOMATIC LOCK/UNLOCK SELECT in WORK SUPPORT mode. 3. Check AUTOMATIC LOCK/UNLOCK SELECT in WORK SUPPORT. Refer to DLK-501, "DOOR LOCK ...