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) |
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|
Mass air flow sensor |
Amount of intake air |
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|
Engine coolant temperature sensor |
Engine coolant temperature |
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|
Throttle position sensor |
Throttle position |
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|
Accelerator pedal position sensor |
Accelerator pedal position |
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|
Park/neutral position (PNP) switch *1 |
PNP signal |
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|
Transmission range switch *2 |
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|
Battery |
Battery voltage *3 |
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|
Knock sensor |
Engine knocking |
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|
Combination meter |
Vehicle speed *4 |
*1: M/T models
*2: CVT models
*3: ECM determines the start signal status by the signals of engine speed and battery voltage.
*4: This signal is sent to the ECM through CAN communication line.