Input/Output Signal Chart
|
Sensor |
Input Signal to ECM |
ECM function |
Actuator |
|
Crankshaft position sensor (POS) |
Engine speed* 2 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 |
||
|
TCM |
Gear position |
||
|
Battery |
Battery voltage* 2 |
||
|
Knock sensor |
Engine knocking |
||
|
Combination meter |
Vehicle speed* 1 |
*1: This signal is sent to the ECM via the CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and battery voltage.