Input/Output Signal Chart

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Sensor

Input Signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed⁽¹⁾
Piston position

Air conditioner cut control

IPDM E/R
↓
Air conditioner relay
↓
Compressor

Camshaft position sensor (PHASE)

Engine coolant temperature sensor

Engine coolant temperature

Accelerator pedal position sensor

Accelerator pedal position

Battery

Battery voltage⁽¹⁾

Refrigerant pressure sensor

Refrigerant pressure

EPS control unit

CAN communication

EPS operation signal

Combination meter

CAN communication

Vehicle speed signal

A/C auto amp.

CAN communication

A/C ON signal
Blower fan ON signal

⁽¹⁾	ECM determines the start signal status by the signals of engine speed and battery voltage.