Input/Output Signal Chart
INPUT/OUTPUT SIGNAL REFERENCE
| Sensor |
Input Signal to ECM |
ECM function |
Actuator |
| Crankshaft position sensor (POS) |
Engine speed & 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 |
| Knock sensor |
Engine knocking |
| Unified meter and A/C amp. |
Vehicle speed |