Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check signal between BCM harness connector and ground using oscilloscope.

   (+)		(-)	Condition	Signal (Reference value)
   BCM
   Connector	Terminals
   M18	116, 128	Ground	When Intelligent Key is in the antenna detection area.	Courtesy of NISSAN NORTH AMERICA, INC.
   			When Intelligent Key is not in the antenna detection area.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

Replace BCM. Refer to Removal and Installation .

NO

GO TO 2 .

1. Disconnect BCM connector and inside key antenna (console) connector.
2. Check continuity between BCM harness connector and inside key antenna (console) harness connector.
   With Single USB
   
   

   BCM		Inside key antenna (console)		Continuity
   Connector	Terminal	Connector	Terminal
   M18	116	M41	1	Yes
   	128		2

   With Dual USB
   
   

   BCM		Inside key antenna (console)		Continuity
   Connector	Terminal	Connector	Terminal
   M18	116	M211	1	Yes
   	128		2

3. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M18	116		No
   	128

Is the inspection result normal?

YES

GO TO 3 .

NO

Repair or replace harness.

1. Replace inside key antenna (console) (New antenna or other antenna).
2. Connect BCM connector and inside key antenna (console) connector.
3. Check signal between BCM harness connector and ground using oscilloscope.

   (+)		(-)	Condition	Signal (Reference value)
   BCM
   Connector	Terminals
   M18	116, 128	Ground	When Intelligent Key is in the antenna detection area.	Courtesy of NISSAN NORTH AMERICA, INC.
   			When Intelligent Key is not in the antenna detection area.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

Replace inside key antenna (console). Refer to Removal and Installation .

NO

Replace BCM. Refer to Removal and Installation .