Principle Of Operation

Compressor is not activated.

Functional circuit diagram

Fig 1: Compressor Control Function Operation Diagram (With ACCS)

Courtesy of NISSAN NORTH AMERICA, INC.

FUNCTIONAL INITIAL INSPECTION CHART

Control unit	Diagnosis Item		Location
Control unit	Diagnosis Item		A	B	C	D
Unified meter and A/C amp.	Self-diagnosis function		x	-	-	-
ECM	WITH CONSULT: "ENGINE"	Self-diagnosis (CAN system diagnosis)	-	-	x	-
ECM	WITH CONSULT: "ENGINE"	Data monitor	x	x	x	-
IPDM E/R	WITH CONSULT: "IPDM E/R"	Self-diagnosis (CAN system diagnosis)	-	-	-	x
	WITH CONSULT: "IPDM E/R"	Data monitor	-	-	x	-
	Auto active test		-	-	-	x