Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

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

Fig 1: Checking Signal Between Remote Keyless Entry Receiver 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)
(+)		(-)
Remote keyless entry receiver connector	Terminal	(-)
M27	2	Ground	Waiting (All doors closed)	Courtesy of NISSAN MOTOR CO., U.S.A.
M27	2	Ground	When signal is received (All doors closed)	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 7

NO: GO TO 2

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY

Disconnect remote keyless entry receiver connector.
Check signal between remote keyless entry receiver connector and ground with oscilloscope.

TERMINALS SIGNAL REFERENCE

Terminals			Signal (Reference value)
(+)		(-)
Remote keyless entry receiver connector	Terminal	(-)
M27	4	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.

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

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

Is the inspection result normal?

YES: GO TO 4

NO: GO TO 3

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1

Disconnect BCM connector.

Check continuity between BCM connector and remote keyless entry receiver connector.

CONTINUITY CHART

BCM connector	Terminal	Remote keyless entry receiver connector	Terminal	Continuity
A: M19	91	B: M27	4	Yes

Check continuity between BCM connector and ground.

CONTINUITY CHART

BCM connector	Terminal	Ground	Continuity
A: M19	91	Ground	No

Fig 3: Checking Continuity Between BCM Connector And Ground

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

Is the inspection result normal?

YES: Reconnect BCM, GO TO 4

NO: Repair or replace harness between BCM and remote keyless entry receiver.

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between remote keyless entry receiver connector and ground.

CONTINUITY CHART

Remote keyless entry receiver connector	Terminal	Ground	Continuity
M27	1	Ground	Yes

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

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

Is the inspection result normal?

YES: GO TO 6

NO: GO TO 5

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 2

Check continuity between BCM connector and remote keyless entry receiver connector.

CONTINUITY CHART

BCM connector	Terminal	Remote keyless entry receiver connector	Terminal	Continuity
A: M18	45	B: M27	1	Yes

Fig 5: Checking Continuity Between BCM Connector And Remote Keyless Entry Receiver Connector

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

Is the inspection result normal?

YES: GO TO 7

NO: Repair or replace harness between BCM and remote keyless entry receiver.

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3

Check continuity between BCM connector and remote keyless entry receiver connector.

CONTINUITY CHART

BCM connector	Terminal	Remote keyless entry receiver connector	Terminal	Continuity
A: M19	71	B: M27	2	Yes

Check continuity between BCM connector and ground.

CONTINUITY CHART

BCM connector	Terminal	Ground	Continuity
A: M19	71	Ground	No

Fig 6: Checking Continuity Between BCM Connector And Ground

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

Is the inspection result normal?

YES: GO TO 7

NO: Repair or replace harness between BCM and remote keyless entry.

CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

Inspection End.