Input/Output Signal Chart
|
Sensor |
Input signal to ECM |
ECM function |
Actuator |
|
Crankshaft position sensor Camshaft position sensor |
Engine speed* 2 |
Air conditioner cut control |
IPDM E/R A/C relay Compressor |
|
Engine coolant temperature sensor 1 |
Engine coolant temperature |
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|
Accelerator pedal position sensor |
Accelerator pedal position |
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|
Battery |
Battery voltage* 2 |
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|
Refrigerant pressure sensor |
Refrigerant pressure |
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|
Power steering pressure sensor |
Power steering operation |
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|
A/C auto amp. |
A/C ON signal* 1 |
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|
A/C evaporator temperature* 1 |
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|
Target A/C evaporator temperature* 1 |
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|
Blower fan ON signal |
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|
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.