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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Function Diagnosis >> Fuel Pump Control Module >> System Description >> Input/Output Signal Chart
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Input/Output Signal Chart

INPUT/OUTPUT SIGNAL CHART

Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor
Camshaft position sensor
Engine speed(1) Fuel pump control FPCM

Fuel pump
Engine coolant temperature sensor Engine coolant temperature
Mass air flow sensor Amount of intake air
Battery Battery voltage(1)
(1) ECM determines the start signal status by the signals of engine speed and battery voltage.