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Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Heater & Air Conditioning Control System) >> Without 7 Inch Display >> System Description >> Compressor Control Function >> Description >> Principle Of Operation

Principle Of Operation

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.

Functional circuit diagram

Fig 1: Compressor Control Functional Circuit Diagram
G07101361Courtesy of NISSAN MOTOR CO., U.S.A.

Functional initial inspection chart

FUNCTIONAL INITIAL INSPECTION

Control unit Diagnosis Item Location
A B C D
A/C auto amp. "HVAC" Self-diagnosis x - - -
Data monitor x - - -
Active test x - - x
ECM "ENGINE" Self-diagnosis (CAN system diagnosis) - - x -
Data monitor - x x -
IPDM E/R "IPDM E/R" Self-diagnosis (CAN system diagnosis) - - - x
Data monitor - - x -
Auto active test - - - x