Diagnosis Procedure

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

   (+)		(-)	Condition		Signal (Reference value)
   BCM
   Connector	Terminal
   M16	123	Ground	Ignition Switch ON and any door is open	When Intelligent Key is not in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   				When Intelligent Key is in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   	124			When Intelligent Key is not in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   				When Intelligent Key is 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 STEP 2  .

1. Turn Ignition Switch OFF.
2. Disconnect BCM connector and Inside Key Antenna (Instrument Lower) connector.
3. Check continuity between BCM harness connector and Inside Key Antenna (Instrument Lower) harness connector.

   BCM		Inside Key Antenna (Instrument Lower)		Continuity
   Connector	Terminal	Connector	Terminal
   M16	123	M109	1	Existed
   	124		2

4. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M16	123		Not existed
   	124

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair or replace harness.

1. Replace Inside Key Antenna (Instrument Lower). (New antenna or other antenna)
2. Connect BCM connector and Inside Key Antenna (Instrument Lower) connector.
3. Check signal between BCM harness connector and ground with oscilloscope.

   (+)		(-)	Condition		Signal (Reference Value)
   BCM
   Connector	Terminal
   M16	123	Ground	Ignition Switch ON and any door is open	When Intelligent Key is not in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   				When Intelligent Key is in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   	124			When Intelligent Key is not in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.
   				When Intelligent Key is in the antenna detection area	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace Inside Key Antenna (Instrument Lower).

NO 

Replace BCM. Refer to REMOVAL AND INSTALLATION .