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 and ground.
   VOLTAGE REFERENCE CHART
   
   

   ECM		Ground	Voltage
   Connector	Terminal
   E219	39 (Refrigerant pressure sensor signal)	Ground	1.0 - 4.0V

Is the inspection result normal? 

YES : INSPECTION END

NO : Go to "DIAGNOSIS PROCEDURE ".