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 SUNSHADE SWITCH INPUT SIGNAL

Turn the ignition switch ON.

Check voltage between sunshade motor assembly harness connector and ground.

(+)		(-)	Condition	Voltage (Approx.)
Sunshade motor assembly
Connector	Terminals
B85	6	Ground	Sunshade switch is operated OPEN	0
			Other than above	Battery voltage
	2		Sunshade switch is operated CLOSE	0
			Other than above	Battery voltage

Is the inspection result normal?

YES

Inspection End.

GO TO 2.

CHECK SUNSHADE SWITCH CIRCUIT

Turn the ignition switch OFF.
Disconnect sunshade motor assembly connector and sunshade switch connector.

Check continuity between sunshade motor assembly harness connector and sunshade switch harness connector.

Sunshade motor assembly		Sunshade switch		Continuity
Connector	Terminal	Connector	Terminal
B85	2	R110	3	Yes
	6		1

Check continuity between sunshade motor assembly harness connector and ground.

Sunshade motor assembly		Ground	Continuity
Connector	Terminal
B85	2		No
	6

Is the inspection result normal?

YES

GO TO 3.

Repair or the replace harness.

CHECK SUNSHADE SWITCH GROUND CIRCUIT

Check continuity between sunshade switch harness connector and ground.

Sunshade switch		Ground	Continuity
Connector	Terminal
R110	2		Yes

Is the inspection result normal?

YES

GO TO 4.

Repair or replace the harness.

CHECK SUNSHADE SWITCH
Check sunshade switch.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 5.

NO

Replace sunshade switch. Refer to Removal and Installation .
CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .

Inspection End.