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Home >> Nissan-Datsun >> 2014 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System (Introduction) (VQ35DE)) >> System Description >> System >> Air Conditioning Cut Control >> AIR CONDITIONING CUT CONTROL: System Description >> Input/Output Signal Chart

Input/Output Signal Chart

WARNING: This page is about a different variant/trim than selected.
Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor (POS) Engine speed(1) 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
Power steering control module EPS operation signal CAN communication line
Combination meter Vehicle speed signal
A/C auto amp.(2)
  • A/C ON signal
  • Blower fan ON signal
BCM(3)
(1) ECM determines the start signal status by the signals of engine speed and battery voltage.
(2) Automatic air conditioning system
(3) Manual air conditioning system