Diagnosis Procedure Front Air Control

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

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

CHECK FRONT AIR CONTROL (REAR WINDOW DEFOGGER SWITCH) CIRCUIT
Operate the rear window defogger switch.

Is the inspection result normal?

YES: Inspection End.

NO: GO TO 2

CHECK HARNESS CONTINUITY

Turn ignition switch OFF.
Disconnect BCM and front air control.

Check continuity between BCM harness connector M18 terminal 9 and front air control harness connector M52 terminal 11.

BCM connector	Terminal	Front air control connector	Terminal	Continuity
M18	9	M52	11	Yes

Check continuity between BCM harness connector M18 terminal 9 and ground.

Fig 1: Checking Continuity Between BCM Connector M18 Terminal 9 And Front Air Control Connector M52 Terminal 11

Courtesy of NISSAN NORTH AMERICA, INC.

BCM connector	Terminal	Ground	Continuity
M18	9	Ground	No

Is the inspection result normal?

YES: Replace front air control. Refer to "REMOVAL AND INSTALLATION "

NO: Repair or replace harness.