Input/Output Signal Chart
| Sensor | Input signal to ECM | ECM function | Actuator |
|---|---|---|---|
| Crankshaft position sensor (POS) Camshaft position sensor (PHASE) |
Engine speed * 1 | EVAP canister purge flow control | EVAP canister purge volume control solenoid valve |
| Mass air flow sensor | Amount of intake air | ||
| Engine coolant temperature sensor | Engine coolant temperature | ||
| Battery | Battery voltage * 1 | ||
| Throttle position sensor | Throttle position | ||
| Accelerator pedal position sensor | Accelerator pedal position | ||
| Air fuel ratio (A/F) sensor 1 | Density of oxygen in exhaust gas (Mixture ratio feedback signal) |
||
| Fuel tank temperature sensor | Fuel temperature in fuel tank | ||
| EVAP control system pressure sensor | Pressure in purge line | ||
| Unified meter and A/C amp. | 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.