Input/Output Signal Chart
| Sensor | Input signal to ECM | ECM function | Actuator |
|---|---|---|---|
| Crankshaft position sensor | Engine speed * 1 | Cooling fan speed request signal * 2 | IPDM E/R ↓ Electrically-controlled cooling fan coupling |
| Camshaft position sensor | Camshaft position | ||
| Engine coolant temperature sensor 1 | Engine coolant temperature | ||
| Refrigerant pressure sensor | Refrigerant pressure | ||
| Intake air temperature sensor | Intake air temperature | ||
| Battery | Battery voltage | ||
| Combination meter | Vehicle speed signal * 2 | ||
| BCM | A/C switch signal * 2 | ||
| Cooling fan speed sensor | Cooling fan speed |
*1: The ECM determines the engine speed by the signals of crankshaft position and camshaft position.
*2: This signal is sent to ECM via the CAN communication line.