Input/Output Signal Chart
|
Sensor |
Input signal to ECM |
ECM function |
Actuator |
|
Crankshaft position sensor |
Engine speed*1 Piston position |
Ignition timing control |
Ignition coil (with power transistor) |
|
Camshaft position sensor |
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|
Mass air flow sensor |
Amount of intake air |
||
|
Engine coolant temperature sensor 1 |
Engine coolant temperature |
||
|
Throttle position sensor |
Throttle position |
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|
Accelerator pedal position sensor |
Accelerator pedal position |
||
|
TCM |
Gear position |
||
|
Battery |
Battery voltage*1 |
||
|
Knock sensor |
Engine knocking condition |
||
|
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.