Remote Keyless Entry Receiver Check

1. Turn ignition switch OFF.
2. Check remote keyless entry receiver connector and ground signal with oscilloscope.
   Fig 1: Checking Remote Keyless Entry Receiver Output Signal

   Courtesy of NISSAN NORTH AMERICA, INC.

   Terminals			Keyfob condition	Signal (Reference value)
   (+)		(-)
   Remote keyless entry receiver connector	Terminal
   M15	2	Ground	No function
   			Any button is pressed

   OK or NG 

   OK: Remote keyless entry receiver circuit is OK.

   NG: GO TO 2.

1. Disconnect remote keyless entry receiver connector.
2. Check voltage between remote keyless entry receiver connector M15 terminal 4 and ground.

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Remote keyless entry receiver connector	Terminal
   M15	4	Ground	4.5

   Fig 2: Checking Remote Keyless Entry Receiver Input Voltage

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: GO TO  4.

   NG: GO TO 3.

1. Disconnect BCM connector.
2. Check continuity between BCM connector M18 (A) terminal 19 and remote keyless entry receiver connector M15 (B) terminal 4.

   A		B		Continuity
   BCM connector	Terminal	Remote keyless entry receiver connector	Terminal
   M18	19	M15	4	Yes

3. Check continuity between BCM connector (A) M18 terminal 19 and ground.

   A		Ground	Continuity
   BCM connector	Terminal
   M18	19		No

   Fig 3: Checking Remote Keyless Entry Receiver Power Supply Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: Replace BCM. Refer to , "REMOVAL AND INSTALLATION OF BCM ".

   NG: Repair or replace the harness.

Check continuity between remote keyless entry receiver connector M15 terminal 1 and ground.

Fig 4: Checking Remote Keyless Entry Receiver Ground Circuit

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: GO TO  6.

NG: GO TO 5.

Check continuity between BCM connector M18 (A) terminal 18 and remote keyless entry receiver connector M15 (B) terminal 1.

Fig 5: Checking Remote Keyless Entry Receiver Ground Circuit

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: Replace BCM. Refer to , "REMOVAL AND INSTALLATION OF BCM ".

NG: Repair or replace the harness.

1. Check continuity between BCM connector M18 (A) terminal 20 and remote keyless entry receiver connector M15 (B) terminal 2.

   A		B		Continuity
   BCM connector	Terminal	Remote keyless entry receiver connector	Terminal
   M18	20	M15	2	Yes

2. Check continuity between BCM connector (A) M18 terminal 20 and ground.

   A		Ground	Continuity
   BCM connector	Terminal
   M18	20		No

   Fig 6: Checking Remote Keyless Entry Receiver Signal Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.

   OK or NG 

   OK: Replace remote keyless entry receiver. Refer to , "REMOVAL AND INSTALLATION OF REMOTE KEYLESS ENTRY RECEIVER ".

   NG: Repair or replace harness.