Nissan Quest E52. Manual - part 770

 

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Nissan Quest E52. Manual - part 770

 

 

HAC-210

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

INTAKE DOOR MOTOR

5.

CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect intake door motor and A/C amp. connector.

3.

Check continuity between intake door motor harness connector and A/C amp. harness connector.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C amp.). Refer to 

HAC-238, "Removal and Installation"

.

NO

>> Repair harness or connector.

6.

CHECK INTAKE DOOR MOTOR LAN SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect intake door motor and A/C amp. connector.

3.

Check continuity between intake door motor harness connector and A/C amp. harness connector.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C amp.). Refer to 

HAC-238, "Removal and Installation"

.

NO

>> Repair harness or connector.

Intake door motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M304

1

M49

4

Existed

Intake door motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M304

3

M49

5

Existed

REAR AIR MIX DOOR MOTOR

HAC-211

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

REAR AIR MIX DOOR MOTOR

Diagnosis Procedure

INFOID:0000000009652655

1.

CHECK REAR AIR MIX DOOR MOTOR POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between rear air mix door motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 5.

2.

CHECK REAR AIR MIX DOOR MOTOR GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect rear air mix door motor and A/C amp. connector.

3.

Check continuity between rear air mix door motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK REAR AIR MIX DOOR MOTOR LAN SIGNAL

1.

Connect rear air mix door motor and A/C amp. connector.

2.

Turn ignition switch ON.

3.

Confirm output waveform between rear air mix door motor harness connector and ground using oscillo-
scope.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 6.

4.

CHECK INSTALLATION OF REAR AIR MIX DOOR MOTOR

Check rear air mix door motor is properly installed. Refer to 

HAC-242, "Exploded View"

.

Is the inspection result normal?

YES

>> Replace rear air mix door motor. Refer to 

HAC-244, "REAR AIR MIX DOOR MOTOR : Removal

and Installation"

.

+

Voltage

Rear air mix door motor

Connector

Terminal

B404

1

Ground

9.5 – 13.5 V

Rear air mix door motor

Continuity

Connector

Terminal

B404

2

Ground

Existed

+

Output waveform

Rear air mix door motor

Connector

Terminal

B404

3

Ground

SJIA1453J

HAC-212

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

REAR AIR MIX DOOR MOTOR

NO

>> Repair or replace malfunctioning part.

5.

CHECK REAR AIR MIX DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect rear air mix door motor and A/C amp. connector.

3.

Check continuity between rear air mix door motor harness connector and A/C amp. harness connector.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C amp.). Refer to 

HAC-238, "Removal and Installation"

.

NO

>> Repair harness or connector.

6.

CHECK REAR AIR MIX DOOR MOTOR LAN SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect rear air mix door motor and A/C amp. connector.

3.

Check continuity between rear air mix door motor harness connector and A/C amp. harness connector.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C amp.). Refer to 

HAC-238, "Removal and Installation"

.

NO

>> Repair harness or connector.

Rear air mix door motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

B404

1

M49

4

Existed

Rear air mix door motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

B404

3

M49

5

Existed

REAR MODE DOOR MOTOR

HAC-213

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

REAR MODE DOOR MOTOR

Diagnosis Procedure

INFOID:0000000009652656

1.

CHECK REAR MODE DOOR MOTOR POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between rear mode door motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 5.

2.

CHECK REAR MODE DOOR MOTOR GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect rear mode door motor and A/C amp. connector.

3.

Check continuity between rear mode door motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK REAR MODE DOOR MOTOR LAN SIGNAL

1.

Connect rear mode door motor and A/C amp. connector.

2.

Turn ignition switch ON.

3.

Confirm output waveform between rear mode door motor harness connector and ground using oscillo-
scope.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 6.

4.

CHECK INSTALLATION OF REAR MODE DOOR MOTOR

Check rear mode door motor is properly installed. Refer to 

HAC-242, "Exploded View"

.

Is the inspection result normal?

YES

>> Replace rear mode door motor. Refer to 

HAC-244, "REAR MODE DOOR MOTOR : Removal and

Installation"

.

+

Voltage

Rear mode door motor

Connector

Terminal

B405

1

Ground

9.5 – 13.5 V

Rear mode door motor

Continuity

Connector

Terminal

B405

2

Ground

Existed

+

Output waveform

Rear mode door motor

Connector

Terminal

B405

3

Ground

SJIA1453J

 

 

 

 

 

 

 

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