Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

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

CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

Turn ignition switch OFF.
Disconnect BCM and combination switch.

Check continuity between BCM harness connector and combination switch harness connector.

System	BCM		Combination switch		Continuity
System	Connector	Terminal	Connector	Terminal	Continuity
INPUT 1	M18 (A)	36	M28 (B)	1	Yes
INPUT 2		35		2
INPUT 3		34		3
INPUT 4		33		4
INPUT 5		32		5

Fig 1: Checking Input 1 - 5 System Circuit Continuity

Courtesy of NISSAN NORTH AMERICA, INC.

Does continuity exist?

YES: GO TO 2

NO: Repair or replace harness.

CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.

System	BCM		Ground	Continuity
	Connector	Terminal
INPUT 1	M18	36		No
INPUT 2		35
INPUT 3		34
INPUT 4		33
INPUT 5		32

Fig 2: Checking Input 1 - 5 System Circuit For Continuity

Courtesy of NISSAN NORTH AMERICA, INC.

Does continuity exist?

YES: Repair or replace harness.

NO: GO TO 3

CHECK COMBINATION SWITCH
Check combination switch. Refer to "SYMPTOM TABLE ".

Is the check result normal?

YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

NO: Replace combination switch (applicable parts). Refer to "REMOVAL AND INSTALLATION ".