Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

CHECK DOOR SWITCH INPUT SIGNAL

Turn ignition switch OFF.
Disconnect malfunctioning door switch connector.

Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

(+)			(-)	Signal (Reference value)
Door switch
Connector		Terminal
Driver side	B8	3	Ground	Courtesy of NISSAN NORTH AMERICA, INC. 11.8 V
Passenger side	B108
Rear LH	B18
Rear RH	B116

Is the inspection result normal?

YES

GO TO STEP 3 .

GO TO STEP 2 .

CHECK DOOR SWITCH CIRCUIT

Disconnect BCM connector.

Check continuity between door switch harness connector and BCM harness connector.

Door switch			BCM		Continuity
Connector		Terminal	Connector	Terminal	Continuity
Driver side	B8	3	M20	96	Yes
Passenger side	B108			94
Rear LH	B18			82
Rear RH	B116			93

Check continuity between door switch harness connector and ground.

Door switch			Ground	Continuity
Connector		Terminal
Driver side	B8	3		No
Passenger side	B108
Rear LH	B18
Rear RH	B116

Is the inspection result normal?

YES

Replace BCM. Refer to REMOVAL AND INSTALLATION .

Repair or replace harness.

CHECK DOOR SWITCH

Refer to COMPONENT INSPECTION .

Is the inspection result normal?

YES

GO TO STEP 4 .

NO

Replace malfunctioning door switch. Refer to REMOVAL AND INSTALLATION .

CHECK INTERMITTENT INCIDENT

Refer to INTERMITTENT INCIDENT .

Inspection End.