Diagnosis Procedure

1. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 1
   1. Turn ignition switch OFF.
   2. Check signal between BCM connector and ground with oscilloscope.
   Fig 1: Checking Signal Between BCM Connector And Ground With Oscilloscope

   Courtesy of NISSAN MOTOR CO., U.S.A.NISSAN MOTOR CO., U.S.A.NISSAN MOTOR CO., U.S.A.
   TERMINALS CONDITION REFERENCE
   
   

   Terminals				Condition	Signal (Reference value.)
   (+)			(-)
   BCM connector		Terminal
   M19	Front console antenna	61	Ground	Place Intelligent Key inside the vehicle.	Courtesy of NISSAN MOTOR CO., U.S.A.
   				Place Intelligent Key outside the vehicle.	Courtesy of NISSAN MOTOR CO., U.S.A.

   Is the inspection result normal? 

   YES: Check the condition of harness and connector.

   NO: GO TO 2

2. CHECK FRONT CONSOLE ANTENNA CIRCUIT
   1. Disconnect BCM and front console antenna connector.
   2. Check continuity between BCM connector and front console antenna connector.
      CONTINUITY CHART
      
      

      BCM connector	Terminal	Front console antenna connector		Terminal	Continuity
      A: M19	60	B: M41	Console	2	Yes
      	61			1

   3. Check continuity between BCM connector and ground.
      CONTINUITY CHART
      
      

      BCM connector		Terminal	Ground	Continuity
      A: M19	Console	60		No
      		61

      Fig 2: Checking Continuity Between BCM Connector And Ground

      Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO 3

      NO: Repair or replace harness between BCM and front console antenna.

3. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 2
   1. Replace front console antenna (new antenna or other antenna).
   2. Connect BCM and front console antenna connector.
   3. Check signal between BCM connector and ground with oscilloscope.
   Fig 3: Checking Signal Between BCM Connector And Ground With Oscilloscope

   Courtesy of NISSAN MOTOR CO., U.S.A.

Terminals				Condition	Signal (Reference value.)
(+)			(-)
BCM connector		Terminal
M19	Front console antenna	61	Ground	Place Intelligent Key inside the vehicle.	Courtesy of NISSAN MOTOR CO., U.S.A.
				Place Intelligent Key outside the vehicle.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: Replace front console antenna. Refer to "DISASSEMBLY AND ASSEMBLY ".

NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".