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Input/Output Signal Chart

INPUT/OUTPUT SIGNAL CHART

Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed(1) Cooling fan control IPDM E/R
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Cooling fan control module
โ†“
Cooling fan motor
Engine coolant temperature sensor Engine coolant temperature
Refrigerant pressure sensor Refrigerant pressure
Battery Battery voltage(1)
Unified meter and A/C amp. Vehicle speed(2)
Air conditioner ON signal(2)
A/C evaporator temperature(2)
Target A/C evaporator temperature(2)
(1) The ECM determines the start signal status by the signals of engine speed and battery voltage.
(2) This signal is sent to ECM through CAN communication line.