Remote Keyless Entry Receiver Check

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

Turn ignition switch OFF.
Check remote keyless entry receiver connector and ground signal with oscilloscope.

SIGNAL SPECIFICATION

Terminals			Keyfob condition	Signal (Reference value)
(+)		(-)
Remote keyless entry receiver connector	Terminal	(-)
M23	2	Ground	No function	Courtesy of NISSAN MOTOR CO., U.S.A.
M23	2	Ground	Any button is pressed	Courtesy of NISSAN MOTOR CO., U.S.A.

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

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

OK or NG

OK: Remote keyless entry receiver circuit is OK.

NG: GO TO 2

CHECK REMOTE KEYLESS ENTRY RECEIVER INPUT VOLTAGE

Disconnect remote keyless entry receiver connector.
Check voltage between remote keyless entry receiver connector M23 terminal 4 and ground.

VOLTAGE SPECIFICATION

Terminals			Voltage (V) (Approx.)
(+)		(-)
Remote keyless entry receiver connector	Terminal	(-)
M23	4	Ground	4.5

Fig 2: Checking Voltage Between Remote Keyless Entry Receiver Connector M23 Terminal 4 And Ground

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

OK or NG

OK: GO TO 4

NG: GO TO 3

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT

Disconnect BCM connector.

Check continuity between BCM connector (A) M18 terminal 19 and remote keyless entry receiver connector (B) M23 terminal 4.

CONTINUITY SPECIFICATION

A		B		Continuity
BCM connector	Terminal	Remote keyless entry receiver connector	Terminal	Continuity
M18	19	M23	4	Yes

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

Fig 3: Checking Continuity Between BCM Connector (A) M18 Terminal 19 And Ground

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

CONTINUITY SPECIFICATION

A		Ground	Continuity
BCM connector	Terminal
M18	19		No

OK or NG

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

NG: Repair or replace the harness.

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between remote keyless entry receiver connector M23 terminal 1 and ground.

CONTINUITY SPECIFICATION

Remote keyless entry receiver connector	Terminal	Ground	Continuity
M23	1	Ground	Yes

OK or NG

OK: GO TO 6

NG: GO TO 5

Fig 4: Checking Continuity Between Remote Keyless Entry Receiver Connector M23 Terminal 1 And Ground

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

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between BCM connector (A) M18 terminal 18 and remote keyless entry receiver connector (B) M23 terminal 1.

CONTINUITY SPECIFICATION

A		B		Continuity
BCM connector	Terminal	Remote keyless entry receiver connector	Terminal	Continuity
M18	18	M23	1	Yes

OK or NG

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

NG: Repair or replace the harness.

Fig 5: Checking Continuity Between BCM Connector (A) M18 Terminal 18 And Remote Keyless Entry Receiver Connector (B) M23 Terminal 1

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

CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT

Check continuity between BCM connector (A) M18 terminal 20 and remote keyless entry receiver connector (B) M23 terminal 2.

CONTINUITY SPECIFICATION

A		B		Continuity
BCM connector	Terminal	Remote keyless entry receiver connector	Terminal	Continuity
M18	20	M23	2	Yes

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

Fig 6: Checking Continuity Between BCM Connector (A) M18 Terminal 20 And Ground

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

CONTINUITY SPECIFICATION

A		Ground	Continuity
BCM connector	Terminal
M18	20		No

OK or NG

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

NG: Repair or replace harness.