Component Inspection

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK INTAKE AIR TEMPERATURE (IAT) SENSOR

Turn ignition switch OFF.
Disconnect mass air flow sensor harness connector.
Check resistance between mass air flow sensor terminals as follows.

Terminals	Condition		Resistance (kΩ)
1 and 2	Temperature [°C (°F)]	25 (77)	1.94 - 2.06

Is the inspection result normal?

YES: INSPECTION END

NO: Replace mass air flow sensor (with intake air temperature sensor). Refer to "REMOVAL AND INSTALLATION ".