Nissan Teana J32. Manual - part 746

INT-4

< FUNCTION DIAGNOSIS >

REAR SUNSHADE SYSTEM

FUNCTION DIAGNOSIS

REAR SUNSHADE SYSTEM

System Diagram

INFOID:0000000003819258

System Description

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REAR SUNSHADE OPERATION

• When pressing the UP button of the rear sunshade switch, the rear sunshade moves to the upward position.
• When pressing the DOWN button of the rear sunshade switch, the rear sunshade moves to the downward

position.

• When shifting the selector lever to the “R” position while the rear sunshade is in the upward position, the rear

sunshade moves automatically to the downward position.

Component Parts Location

INFOID:0000000003819263

JMJIA1849ZZ

1.

Rear sunshade motor B94

2.

Rear sunshade switch (front) M211

3.

Rear sunshade switch (rear) M449

4.

Rear sunshade control unit B93

A.

View with the rear parcel shelf finish-
er removed

B.

Trunk room upper left

JMJIA1720ZZ

REAR SUNSHADE SYSTEM

INT-5

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

INT

N

O

P

Component Description

INFOID:0000000003819264

Component

Function

Rear sunshade motor

Moves rear sunshade

Rear sunshade switch (front and rear)

Sends UP and DOWN input signal to rear sunshade control unit

Rear sunshade control unit

Moves the rear sunshade upward or downward according to the UP and DOWN signals 
from the rear sunshade switch

INT-6

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

REAR SUNSHADE CONTROL UNIT

REAR SUNSHADE CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003819270

1.

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect rear sunshade control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear sunshade control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between rear sunshade control unit harness connector and ground.

Is the result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-35, "Intermittent Incident"

.

>> INSPECTION END

 (+)

(–)

Voltage (V)

(Approx.)

Rear sunshade control unit

Connector

Terminal

B93

8

Ground

Battery voltage

Rear sunshade control unit

Ground

Continuity

Connector

Terminal

B93

1

Existed

4

REAR SUNSHADE SWITCH

INT-7

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

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A

B

INT

N

O

P

REAR SUNSHADE SWITCH

FRONT

FRONT : Description

INFOID:0000000003866163

When rear sunshade switch (front) is operated, rear sunshade motor is activated.

FRONT : Component Function Check

INFOID:0000000003866168

1.

CHECK REAR SUNSHADE FUNCTION

Check that rear sunshade moves upwards and downwards when rear sunshade switch (front) is operated.

Is the inspection result normal?

YES

>> Rear sunshade function is OK.

NO

>> Refer to 

INT-7, "FRONT : Diagnosis Procedure"

.

FRONT : Diagnosis Procedure

INFOID:0000000003820122

1.

CHECK REAR SUNSHADE SWITCH (FRONT) POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect rear sunshade switch (front) connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear sunshade switch (front) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK REAR SUNSHADE SWITCH (FRONT) GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between rear sunshade switch (front) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK REAR SUNSHADE SWITCH (FRONT) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear sunshade switch (front and rear) connector and rear sunshade control unit connector.

3.

Check continuity between rear sunshade switch (front) harness connector and rear sunshade control unit
harness connector.

4.

Check continuity between rear sunshade switch harness connector and ground.

(+)

(–)

Voltage (V)

(Approx.)

Rear sunshade switch (front)

Connector

Terminal

M211

3

Ground

Battery voltage

4

Rear sunshade switch (front)

Ground

Continuity

Connector

Terminal

M211

1

Existed

Rear sunshade switch (front)

Rear sunshade control unit

Continuity

Connector

Terminal

Connector

Terminal

M211

3

B93

5

 Existed

4

6