Diagnosis Procedure

1. Turn Ignition Switch OFF.
2. Check signal between BCM harness connector and ground with oscilloscope.

   (+)		(-)	Condition	Signal (Reference value)
   BCM
   Connector	Terminal
   M123	86, 87	Ground	When Intelligent Key is in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   			When Intelligent Key is not in 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.

   BCM		Inside key antenna (console)		Continuity
   Connector	Terminal	Connector	Terminal
   M123	86	M146	1	Existed
   	87		2

3. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M123	86		Not existed
   	87

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 with oscilloscope.

   (+)		(-)	Condition	Signal (Reference value)
   BCM
   Connector	Terminal
   M123	86, 87	Ground	When Intelligent Key is in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   			When Intelligent Key is not in antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

Replace inside key antenna (console).

NO

Replace BCM. Refer to Removal and Installation .