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 DOOR REQUEST SWITCH OUTPUT SIGNAL

Turn ignition switch OFF.
Check voltage between BCM harness connector and ground.

Fig 1: Checking Voltage Between BCM Harness Connector And Ground

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

VOLTAGE SPECIFICATION

Terminals				Door request switch Condition	Voltage (V) (Approx.)
(+)			(-)
BCM connector		Terminal	(-)
M19	Door request switch (driver side)	89	Ground	Pressed	0
	Door request switch (driver side)	89		Released	Courtesy of NISSAN MOTOR CO., U.S.A.
	Door request switch (passenger side)	88		Pressed	0
	Door request switch (passenger side)	88		Released	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 6

NO: GO TO 2

CHECK DOOR REQUEST SWITCH CIRCUIT

Disconnect BCM and front outside handle connector.

Check continuity between BCM connector and front outside handle connector.

CONTINUITY CHART

BCM connector	Terminal	Front outside handle connector	Terminal	Continuity
A: M19	89	B: D15 (driver side)	3	Yes
A: M19	88	B: D115 (passenger side)	3	Yes

Check continuity between BCM connector and ground.

CONTINUITY CHART

BCM connector	Terminal	Ground	Continuity
A: M19	89		No
	88

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 outside handle.

CHECK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between front outside handle connector and ground.

CONTINUITY CHART

Front outside handle connector	Terminal	Ground	Continuity
D15 (driver side)	4		Yes
D115 (passenger side)

Fig 3: Checking Continuity Between Front Outside Handle Connector And Ground

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

Is the inspection result normal?

YES: GO TO 4

NO: Repair or replace front outside handle ground circuit.

CHECK BCM OUTPUT SIGNAL

Connect BCM connector.
Check voltage between BCM connector and ground.

VOLTAGE SPECIFICATION

Terminals			Voltage (V) (Approx.)
(+)		(-)
BCM connector	Terminal	(-)
M19	89	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.
M19	88	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Voltage Between BCM Connector And Ground

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

Is the inspection result normal?

YES: GO TO 5

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

CHECK DOOR REQUEST SWITCH
Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 6

NO: Replace malfunctioning front outside handle.
CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

Inspection End.