Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FRONT AIR CONTROL POWER SUPPLY

Turn ignition switch OFF.
Disconnect the front air control connector.
Turn ignition switch ON.

Check voltage between front air control harness connector and ground.

(+)		(-)		Voltage
	Front air control			Ignition switch position
Connector	Terminal			OFF	ACC	ON
M132	3		Ground		Battery voltage	Battery voltage	Battery voltage
	19	Approx. 0 V			Approx. 0 V	Battery voltage

Is the inspection result normal?

YES

GO TO 3 .

GO TO 2.

CHECK FUSE
Check fuses [No. 14 and 30, located in the fuse block (J/B)].

NOTE: Refer to appropriate system Terminal Arrangement. .

Is the inspection result normal?

YES

Check harness for open circuit. Repair or replace if necessary.

NO

Check harness for short circuit. Repair or replace if necessary.

CHECK FRONT AIR CONTROL GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between front air control harness connector and ground.

Front air control		(-)	Continuity
Connector	Terminal
M132	2	Ground	Yes
	18

Is the inspection result normal?

YES

Replace the front air control. Refer to Removal and Installation .

Repair the harness or connector.