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Home >> Nissan-Datsun >> 2013 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction) >> System Description >> System >> Air Conditioning Cut Control >> AIR CONDITIONING CUT CONTROL: System Description >> Input/Output Signal Chart
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Input/Output Signal Chart

Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS) Engine speed(1)
Piston position
Air conditioner cut control IPDM E/R
โ†“
Air conditioner relay
โ†“
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.