Nissan Quest E52. Manual - part 1021

REAR SUNROOF MOTOR ASSEMBLY

RF-27

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

RF

N

O

P

Is the inspection result normal?

YES

>> Check BCM power supply and ground circuit. Refer to 

BCS-91, "Diagnosis Procedure"

.

NO

>> Repair or replace harness.

3.

CHECK VEHICLE SPEED SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter harness connector.

3.

Check continuity between rear sunroof motor assembly harness connector and combination meter har-
ness connector.

4.

Check continuity between rear sunroof motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK COMBINATION METER

Check combination meter.
Refer to 

MWI-69, "DTC Logic"

.

Is the inspection result normal?

YES

>> Replace rear sunroof motor assembly. Refer to 

RF-55, "REAR SUNROOF : Removal and Installa-

tion"

.

NO

>> Repair or replace malfunctioning parts.

BCM

Ground

Continuity 

 Connector

Terminal

M123

68

Not existed

Rear sunroof motor assembly

Combination meter

Continuity

Connector

Terminal

 Connector

Terminal

R32

8

M34

31

Exists

Rear sunroof motor assembly

Ground

Continuity 

 Connector

Terminal

R32

8

Not existed

RF-28

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW SERIAL LINK

POWER WINDOW SERIAL LINK

Component Function Check

INFOID:0000000009650362

1.

CHECK FUNCTION

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

RF-28, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009650363

1.

CHECK REAR SUNROOF MOTOR ASSEMBLY INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check signal between rear sunroof motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK REAR SUNROOF MOTOR ASSEMBLY SERIAL LINK CIRCUIT-I

1.

Turn ignition switch OFF.

2.

Disconnect rear sunroof motor assembly and power window main switch harness connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear sunroof motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK REAR SUNROOF MOTOR ASSEMBLY SERIAL LINK CIRCUIT-II

1.

Turn ignition switch OFF.

2.

Disconnect BCM harness connector.

3.

Check continuity between BCM harness connector and rear sunroof motor assembly harness connector.

Power window main switch (power window lock switch)

Rear sunroof

ON (LOCK)

Operate

OFF (UNLOCK)

Non-operation

(+)

(–)

Signal

(Reference value)

Rear sunroof motor assembly

Connector

Terminal 

R32

7

Ground

JPMIA0013GB

(+)

(–)

Voltage (V)

Rear sunroof motor assembly

Connector

Terminal

R32

7

Ground

Battery voltage

POWER WINDOW SERIAL LINK

RF-29

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

RF

N

O

P

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK POWER WINDOW MAIN SWITCH

Check power window main switch.
Refer to 

PWC-52, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace rear sunroof motor assembly. Refer to 

RF-55, "REAR SUNROOF : Removal and Installa-

tion"

.

NO

>> Repair or replace the malfunctioning parts.

BCM

Rear sunroof motor assembly

Continuity

Connector

Terminal

Connector

Terminal

M121

8

R32

7

Existed

BCM

Ground

Continuity 

Connector

Terminal

M121

8

Not existed

RF-30

< DTC/CIRCUIT DIAGNOSIS >

SUNROOF SWITCH

SUNROOF SWITCH

FRONT SUNROOF SWITCH

FRONT SUNROOF SWITCH : Component Function Check

INFOID:0000000009650364

1.

CHECK FUNCTION

Check tilt up/down and slide open/close operations with front sunroof switch.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

RF-31, "REAR SUNROOF SWITCH (FRONT) : Diagnosis Procedure"

.

FRONT SUNROOF SWITCH : Diagnosis Procedure

INFOID:0000000009650365

1.

CHECK FRONT SUNROOF SWITCH INPUT SIGNAL 

1.

Turn ignition switch OFF.

2.

Disconnect front sunroof switch harness connector.

3.

Turn ignition switch ON.

4.

Check voltage between sunroof switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK FRONT SUNROOF SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front sunroof motor assembly harness connector.

3.

Check continuity between front sunroof switch harness connector and front sunroof motor assembly har-
ness connector.

4.

Check continuity between front sunroof switch harness connector and ground. 

Is the inspection result normal?

YES

>> Replace front sunroof motor assembly. Refer to 

RF-53, "FRONT SUNROOF : Removal and

Installation"

.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between front sunroof switch harness connector and ground.

(+)

(

−

)

Voltage  (V)

Front sunroof switch

Connector

Terminal

R6

1

Ground

Battery voltage

3

Front sunroof switch

Front sunroof motor assembly

Continuity

Connector

Terminal

 Connector

Terminal

R6

1

R31

5

Existed

3

10

Front sunroof switch

Ground

Continuity

 Connector

Terminal

R6

1

Not existed

3