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 | |||
| Mass air flow sensor | Amount of intake air | ||
| Engine coolant temperature sensor 1 | Engine coolant temperature | ||
| Throttle position sensor | Throttle position | ||
| 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.