Nissan Murano: System / Fuel Pump Control Module (fpcm)

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Control System :: Vq35de / System Description / System / Fuel Pump Control Module (fpcm)

System Description

SYSTEM DIAGRAM

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

*2: This sensor is not used to control the engine system under normal conditions.

INPUT/OUTPUT SIGNAL CHART

Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor (POS) Engine speed* Fuel pump control

FPCM

Fuel pump
Camshaft position sensor (PHASE)
Engine coolant temperature sensor Engine coolant temperature
Mass air flow sensor Amount of intake air
Battery Battery voltage*

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

SYSTEM DESCRIPTION

The fuel pump control module (FPCM) controls the discharging volume of the fuel pump by the FPCM control signals (Low/Mid/High) depending on driving conditions.

Conditions Amount of fuel flow Supplied voltage
For 1 second after turning ignition switch ON Low Approximately 8.5 V
  • Engine cranking

  • Engine coolant temperature is below 10°C (50°F)

  • Engine is running under high load and high speed conditions

High Battery voltage 12 V
Except the above Mid Approximately 10 V

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    Categories

    LATCH (Lower Anchors and Tethers for CHildren) system

    Nissan Murano. LATCH (Lower Anchors and Tethers for CHildren) system

    LATCH system lower anchor locations - bench seat

    Your vehicle is equipped with special anchor points that are used with LATCH system compatible child restraints. This system may also be referred to as the ISOFIX or ISOFIX compatible system. With this system, you do not have to use a vehicle seat belt to secure the child restraint unless the combined weight of the child and child restraint exceeds 65 lbs. (29.5 kg). If the combined weight of the child and child restraint is greater than 65 lbs. (29.5 kg), use the vehicle’s seat belt (not the lower anchors) to install the child restraint. Be sure to follow the child restraint manufacturer’s instructions for installation.

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