Component Function Check

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK REFRIGERANT PRESSURE SENSOR FUNCTION 
   1. Start engine and warm it up to normal operating temperature.
   2. Turn A/C switch and blower fan switch ON.
   3. Check the voltage between ECM harness connector terminals under the following conditions.

      ECM			Voltage (V)
      Connector	+	-
      	Terminal	Terminal
      F13	39 (Refrigerant pressure sensor signal)	40 (Sensor ground)	1.0 - 4.0

      Fig 1: Measuring Voltage Between ECM Connector Terminals

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".