Input/Output Signal Chart

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Sensor

Input signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed⁽¹⁾

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⁽¹⁾

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