Component Function Check

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REFRIGERANT PRESSURE SENSOR FUNCTION

Start engine and warm it up to normal operating temperature.
Turn A/C switch and blower fan switch ON.
Check the voltage between ECM harness connector terminals under the following conditions.

VOLTAGE SPECIFICATION

ECM			Voltage (V)
Connector	+	-
Connector	Terminal	Terminal
M107	105 (Refrigerant pressure sensor signal)	116	1.0 - 4.0

Is the inspection result normal?

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".