Component Function Check

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM-ENGINE CONTROL SYSTEM- ".

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: Checking Voltage Between ECM Harness Connector F13 Terminals

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".