Input/Output Signal Chart

2009 Nissan-Datsun 370Z Base, StandardSECTION Input/Output Signal Chart
INPUT/OUTPUT SIGNAL CHART

Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS) Engine speed(1)
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
Park/neutral position (PNP) switch (M/T models) TCM (A/T models) Gear position
Battery Battery voltage(1)
Knock sensor Engine knocking
Combination meter Vehicle speed(2)
(1) ECM determines the start signal status by the signals of engine speed and battery voltage.
(2) This signal is sent to the ECM via the CAN communication line.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.