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Home >> Nissan-Datsun >> 2010 >> 370Z Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Engine Control System - Introduction) >> Function Diagnosis >> Air Conditioning Cut Control >> System Description >> Input/Output Signal Chart
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Input/Output Signal Chart

WARNING: This page is about a different car, the 2009 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
INPUT/OUTPUT SIGNAL CHART

Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)		 Engine speed(1) 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(1)
Refrigerant pressure sensor Refrigerant pressure
Power steering pressure sensor Power steering operation
Combination meter Air conditioner ON signal(2)
Vehicle speed(2)
(1) ECM determines the start signal status by the signals of engine speed and battery voltage.
(2) This signal is sent to the ECM via the CAN communication line.
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