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Home >> Nissan-Datsun >> 2019 >> Sentra S, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction And Basic Inspection) (1.8L) >> System Description >> System >> Electric Ignition System >> 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 *3
  • Piston position

Ignition timing control

Ignition coil (with power transistor)

Camshaft position sensor (PHASE)

Mass air flow sensor

Amount of intake air

Engine coolant temperature sensor

Engine coolant temperature

Throttle position sensor

Throttle position

Accelerator pedal position sensor

Accelerator pedal position

Transmission range switch *1

Gear position

Park/neutral position (PNP) switch *2

Battery

Battery voltage *3

Knock sensor

Engine knocking condition

Combination meter

CAN communication

Vehicle speed signal

*1: CVT models

*2: M/T models

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