Nissan Quest E52. Manual - part 1019

SUNROOF MOTOR ASSEMBLY

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JRKWC6565GB

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DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

WorkFlow

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DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.

>> GO TO 2.

2.

REPRODUCE THE MALFUNCTION INFORMATION

Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.

>> GO TO 3.

3.

IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”

Use “Symptom diagnosis” from the symptom inspection result in step 2 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.

>> GO TO 4.

4.

IDENTIFY THE MALFUNCTIONING PARTS WITH “COMPONENT DIAGNOSIS”

Perform the diagnosis with “Component diagnosis” of the applicable system.

>> GO TO 5.

5.

REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the specified malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 2.

Are the malfunctions corrected?

YES

>> INSPECTION END

NO

>> GO TO 3.

INSPECTION AND ADJUSTMENT

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INSPECTION AND ADJUSTMENT

FRONT SUNROOF

FRONT SUNROOF : Description

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MEMORY RESET PROCEDURE

Initialization of system should be conducted after the following conditions.
• When the front sunroof motor is changed.
• When the front sunroof does not open automatically.

FRONT SUNROOF : Special Repair Requirement

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INITIALIZATION PROCEDURE

1.

Press front sunroof switch toward tilt up side and set glass lid to the tilt up position.

2.

Release the front sunroof switch, press the front sunroof switch toward tilt up side again, press and hold
the switch for 10 seconds or more until glass lid starts to move.

3.

Release the front sunroof switch once, press and hold the front sunroof switch toward tilt up side.

4.

The glass lid moves little by little and closes. (Press and hold the switch during this operation)

5.

After the glass lid stops, release the front sunroof switch, and within the first 4 seconds, press and hold
front sunroof switch toward tilt up side.

6.

After 4 seconds, the glass lid automatically operates in sequence of slide open and slide close.

7.

When the glass lid stops, release the front sunroof switch after 0.5 second or more.

8.

Operate front sunroof switch, and if front sunroof is operated normally, the initialization is complete.

REAR SUNROOF

REAR SUNROOF : Description

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MEMORY RESET PROCEDURE

Initialization of system should be conducted after the following conditions.
• When the rear sunroof motor is changed.
• When the rear sunroof does not open or close automatically.

REAR SUNROOF : Special Repair Requirement

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INITIALIZATION PROCEDURE

1.

Press rear sunroof switch (front or rear) toward tilt up side and set glass lid to the tilt up position.

2.

Release the rear sunroof switch, press the rear sunroof switch toward tilt up side again, press and hold
the switch for 10 seconds or more until glass lid starts to move.

3.

The glass lid moves slightly toward tilt up direction then stops. (Press and hold the rear sunroof switch
during this operation).

4.

Release the rear sunroof switch once, press and hold the rear sunroof switch (tilt up side) within the first 4
seconds.

5.

After 4 seconds, the glass lid automatically operates in sequence of tilt down, slide open and slide close.

6.

When the glass lid stops, release the rear sunroof switch after 0.5 seconds or more.

7.

Operate front sunroof switch, and if front sunroof is operated normally, the initialization is complete.

ANTI-PINCH FUNCTION

1.

Full open the sunroof.

2.

Place a wooden piece (wooden hammer handle, etc.) at near fully closed position.

3.

Close the sunroof completely with auto-slide close.

Check that sunroof lowers for approximately 150 mm (5.91in) with out pinching a wooden piece and stops.

CAUTION:

• Never check with hands and other part of body because they may be pinched. Never get pinched.
• Depending on environment and driving conditions, if a similar impact or lord is applied to the sun-

roof it may lower.

• Check that auto-slide operates before inspection when system initialization is performed.
• Perform initial setting when auto-slide operation or anti-pinch function does not operate normally.

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< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

FRONT SUNROOF MOTOR ASSEMBLY

FRONT SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure

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1.

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect front sunroof motor assembly and rear sunroof motor assembly harness connector.

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM harness connector.

3.

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

4.

Check continuity between BCM harness connector and ground.

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 GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

REAR SUNROOF MOTOR ASSEMBLY

REAR SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure

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1.

CHECK POWER SUPPLY

(+)

(–)

Voltage (V)

Front sunroof motor assembly 

 Connector

Terminal 

R31

6

Ground

Battery voltage

BCM

Front sunroof motor assembly

Continuity

Connector

Terminal

 Connector

Terminal

M123

69

R31

6

Existed

BCM

Ground

Continuity 

 Connector

Terminal

M123

69

Not existed

Front sunroof motor assembly

Ground

Continuity 

 Connector

Terminal

R31

1

Existed