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 FRONT DOOR SWITCH INPUT SIGNAL

Turn ignition switch OFF.
Disconnect sunshade motor assembly connector.
Turn ignition switch ON.

Check signal between sunshade motor assembly harness connector and ground with oscilloscope.

TERMINAL SIGNAL REFERENCE

(+)		(-)	Voltage (V) (Approx.)
Sunshade motor assembly
Connector	Terminal
R102	7	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: Inspection End.

NO: GO TO 2.

CHECK COMMUNICATION SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect sunroof motor assembly connector.

Check continuity between sunshade motor assembly harness connector (A) and sunroof motor assembly harness connector (B).

TERMINAL CONTINUITY REFERENCE

Sunshade motor assembly (A)		Sunroof motor assembly (B)		Continuity
Connector	Terminal	Connector	Terminal	Continuity
R102	7	R101	7	Yes

Fig 1: Checking Continuity Between Sunshade And Sunroof Motor Assembly Harness Connector Terminals

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

Check continuity between sunshade motor assembly harness connector and ground.

TERMINAL CONTINUITY REFERENCE

Sunshade motor assembly		Ground	Continuity
Connector	Terminal		No
R102	7		No

Fig 2: Checking Continuity Between Sunshade Motor Assembly Harness Connector Terminal 7 And Ground

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

Is the inspection result normal?

YES: Replace sunshade motor assembly. Refer to "REMOVAL AND INSTALLATION ".

NO: Repair or replace harness.