Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR REQUEST SWITCH INPUT SIGNAL

Turn ignition switch OFF.
Disconnect malfunctioning front door request switch connector.

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

(+)			(-)	Signal (Reference value)
Front door request switch
Connector		Terminal
Driver side	D15	1	Ground	Courtesy of NISSAN NORTH AMERICA, INC.
Passenger side	D115

Is the inspection result normal?

YES

GO TO 3.

GO TO 2.

CHECK DOOR REQUEST SWITCH CIRCUIT

Disconnect BCM connector.

Check continuity between malfunctioning front door request switch harness connector and BCM harness connector.

Front door request switch			BCM		Continuity
Connector		Terminal	Connector	Terminal
Driver side	D15	1	M19	71	Yes
Passenger side	D115			72

Check continuity between malfunctioning front door request switch harness connector and ground.

Front door request switch			Ground	Continuity
Connector		Terminal
Driver side	D15	1		No
Passenger side	D115

Is the inspection result normal?

YES

Replace BCM. Refer to Removal and Installation .

Repair or replace harness.

CHECK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between malfunctioning front door request switch harness connector and ground.

Front door request switch			Ground	Continuity
Connector		Terminal
Driver side	D15	2		Yes
Passenger side	D115

Is the inspection result normal?

YES

GO TO 4.

Repair or replace harness.

CHECK DOOR REQUEST SWITCH
Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 5.

NO

Replace malfunctioning front door request switch. Refer to Removal and Installation (Driver side) or Removal and Installation (Passenger side).
CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .

Inspection End.