Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction (For MEXICO) >> System Description >> System >> Air Conditioning Cut Control >> AIR CONDITIONING CUT CONTROL: System Description >> Input/Output Signal Chart

Input/Output Signal Chart

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches
Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor
Camshaft position sensor		 Engine speed(2) Air conditioner cut control IPDM E/R
↓
A/C relay
↓
Compressor
Engine coolant temperature sensor Engine coolant temperature
Accelerator pedal position sensor Accelerator pedal position
Battery Battery voltage(2)
Refrigerant pressure sensor Refrigerant pressure
Power steering pressure sensor Power steering operation
A/C auto amp. A/C ON signal(1)
A/C evaporator temperature(1)
Target A/C evaporator temperature(1)
Blower fan ON signal
Combination meter Vehicle speed(1)
(1) This signal is sent to the ECM via the CAN communication line.
(2) ECM determines the start signal status by the signals of engine speed and battery voltage.
scientia non olet · About Brad's Car Manuals