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Home >> Nissan-Datsun >> 2019 >> Murano SL, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction And Basic Inspection) >> System Description >> System >> Fuel Pump Control Module (FPCM) >> System Description >> Input/Output Signal Chart
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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.