Check Remote Keyless Entry Receiver

1. Remove electronic key from ignition key cylinder.
2. Disconnect remote keyless entry receiver connector.
3. Check the signal between remote keyless entry receiver connector and ground with oscilloscope.
   CONNECTOR SIGNAL CHART
   
   

   Connector	Terminal (Wire color)		Condition	Signal (Reference value)
   	(+)	(-)
   B246	4 (L)	Ground	Stand-by	Courtesy of NISSAN MOTOR CO., U.S.A.

   Fig 1: Checking Signal Between Remote Keyless Entry Receiver Connector And Ground

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

OK or NG 

• OK : GO TO 2.
• NG : GO TO  5.

1. Connect remote keyless entry receiver connector.
2. Check the signal between remote keyless entry receiver connector and ground with oscilloscope.
   CONNECTOR SIGNAL CHART
   
   

   Connector	Terminal (Wire color)		Condition	Signal (Reference value)
   	(+)	(-)
   B246	2 (BR/W)	Ground	Stand-by	Courtesy of NISSAN MOTOR CO., U.S.A.
   			Press any of the electronic key switches	Courtesy of NISSAN MOTOR CO., U.S.A.

   Fig 2: Checking Signal Between Remote Keyless Entry Receiver Connector And Ground

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

OK or NG 

• OK : GO TO 3.
• NG : GO TO  4.

1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between BCM connector M4 terminal 44 and remote keyless entry receiver connector B246 terminal 1.

   44 (Y) - 1 (Y) : Continuity should exist. 

3. Check continuity between BCM connector M4 terminal 44 and ground.

   44 (Y) - Ground : Continuity should not exist. 

OK or NG 

• OK : Remote keyless entry receiver circuit is OK.
• NG : Repair or replace harness.
  Fig 3: Checking Continuity Between BCM Connector M4 Terminal 44 And Ground

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

1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between remote keyless entry receiver connector B246 terminal 2 and BCM connector M4 terminal 27.

   27 (BR/W) - 2 (BR/W) : Continuity should exist. 

3. Check continuity between BCM connector M4 terminal 27 and ground.

   27 (BR/W) - Ground : Continuity should not exist. 

OK or NG 

• OK : Replace remote keyless entry receiver.
• NG : Repair or replace harness.
  Fig 4: Checking Continuity Between BCM Connector M4 Terminal 27 And Ground

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

1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between BCM connector M4 terminal 28 and remote keyless entry receiver connector B246 terminal 4.

   28 (L) - 4 (L) : Continuity should exist. 

3. Check continuity between remote keyless entry receiver connector B246 terminal 4 and ground.

   28 (L) - Ground : Continuity should not exist. 

OK or NG 

• OK : Replace BCM.
• NG : Repair or replace harness.
  Fig 5: Checking Continuity Between Remote Keyless Entry Receiver Connector B246 Terminal 4 And Ground

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