Component Function Check

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.
   VOLTAGE SPECIFICATION
   
   

   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 Terminals

   Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".