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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction (Qr25DE) >> Air Conditioning Cut Control >> Input/Output Signal Chart
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Input/Output Signal Chart

INPUT/OUTPUT SIGNAL CHART

Sensor Input Signal to ECM ECM function Actuator
Air conditioner switch Air conditioner ON signal(1) Air conditioner cut control Air conditioner relay
Accelerator pedal position sensor Accelerator pedal position
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)		 Engine speed(2)
Engine coolant temperature sensor Engine coolant temperature
Battery Battery voltage(2)
Refrigerant pressure sensor Refrigerant pressure
EPS control unit Power steering operation(1)
Wheel sensor Vehicle speed(1)
(1) This signal is sent to the ECM through CAN communication line.
(2) ECM determines the start signal status by the signals of engine speed and battery voltage.
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