Input/Output Signal Chart
|
Sensor |
Input Signal to ECM |
ECM function |
Actuator |
|
Crankshaft position sensor (POS) Camshaft position sensor (PHASE) |
Engine speed* 2 |
Air conditioner cut control |
IPDM E/R A/C relay Compressor |
|
Engine coolant temperature sensor |
Engine coolant temperature |
||
|
Accelerator pedal position sensor |
Accelerator pedal position |
||
|
Battery |
Battery voltage* 2 |
||
|
Refrigerant pressure sensor |
Refrigerant pressure |
||
|
Power steering pressure sensor |
Power steering operation |
||
|
Combination meter |
Air conditioner ON signal* 1 |
||
|
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.