Nissan Qashqai J11. Manual - part 1143

 

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Nissan Qashqai J11. Manual - part 1143

 

 

HAC-208

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

BLOWER MOTOR

Diagnosis Procedure

INFOID:0000000010432566

1.

CHECK SYMPTOM

Check symptom (A, B or C).

Which symptom is detected?

A

>> GO  TO  2.

B

>> GO  TO  11.

C

>> GO TO 13.

2.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check following fuses.

-

20 A fuses [Nos. 7 and 17, located in the fuse block (J/B)]

NOTE:
Refer to 

PG-104, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

3.

CHECK BLOWER MOTOR POWER SUPPLY

1.

Disconnect blower motor connector. 

2.

Turn ignition switch ON.

3.

Check voltage between blower motor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK BLOWER RELAY

1.

Turn ignition switch OFF.

2.

Check blower relay. Refer to 

HAC-211, "Component Inspection (Blower Relay)"

.

Is the inspection result normal?

YES

>> Repair harness or connector between blower motor and fuse.

NO

>> Replace blower relay.

5.

CHECK FAN CONTROL AMP. POWER SUPPLY (SOURCE) CIRCUIT

1.

Turn ignition switch OFF.

2.

Connect blower motor connector.

3.

Disconnect fan control amp. connector.

4.

Turn ignition switch ON.

5.

Check voltage between fan control amp. harness connector and ground.

Symptom

A

Blower motor does not operate.

B

Blower motor operates at the maximum fan 
speed and fan speed cannot be selected.

Blower motor can be switched to OFF.

C

Blower motor cannot be switched to OFF.

+

Voltage

Blower motor

Connector

Terminal

M357

1

Ground

11 – 14 V

BLOWER MOTOR

HAC-209

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

CHECK FAN CONTROL AMP. POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect blower motor connector.

3.

Check continuity between fan control amp. harness connector and blower motor harness connector. 

Is the inspection result normal?

YES

>> Replace blower motor. Refer to 

VTL-17, "Removal and Installation"

.

NO

>> Repair harness or connector.

7.

CHECK FAN CONTROL AMP. GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Check continuity between fan control amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair harness or connector.

8.

CHECK FAN CONTROL AMP. CONTROL SIGNAL (GATE) CIRCUIT FOR OPEN

Check continuity between fan control amp. harness connector and A/C amp. harness connector. 

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair harness or connector.

9.

CHECK FAN CONTROL AMP. CONTROL SIGNAL CIRCUIT FOR SHORT

Check continuity between fan control amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair harness or connector.

+

Voltage

Fan control amp.

Connector

Terminal

M181

1

Ground

11 – 14 V

Fan control amp.

Blower motor

Continuity

Connector

Terminal

Connector

Terminal

M181

1

M357

2

Existed

Fan control amp.

Continuity

Connector

Terminal

M181

3

Ground

Existed

Fan control amp.

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M181

2

M50

1

Existed

Fan control amp.

Continuity

Connector

Terminal

M181

2

Ground

Not existed

HAC-210

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

10.

CHECK FAN CONTROL AMP.

Check fan control amp. Refer to 

HAC-211, "Component Inspection (Fan Control Amp.)"

.

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-226, "Removal and Installation"

.

NO

>> Replace fan control amp. Refer to 

HAC-231, "Removal and Installation"

.

11.

CHECK A/C AMP. IGNITION POWER SUPPLY FEEDBACK SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between A/C amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Repair harness or connector between A/C amp. and fuse.

12.

CHECK BLOWER MOTOR FEEDBACK SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect blower motor connector and A/C amp. connector.

3.

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

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-226, "Removal and Installation"

.

NO

>> Repair harness or connector.

13.

CHECK BLOWER MOTOR FEEDBACK SIGNAL CIRCUIT AND FAN CONTROL AMP. POWER SUPPLY

CIRCUIT FOR SHORT

1.

Turn ignition switch OFF.

2.

Disconnect following connectors.

-

Blower fan motor

-

Fan control amp.

-

A/C amp.

3.

Check continuity between blower motor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 14.

NO

>> Repair harness or connector.

14.

CHECK FAN CONTROL AMP. CONTROL SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

Check harness between fan control amp. harness connector and A/C amp. harness connector for short to
power supply. 

+

Voltage

A/C amp.

Connector

Terminal

M50

4

Ground

11 – 14 V

Blower motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M357

2

M50

17

Existed

Blower motor

Continuity

Connector

Terminal

M357

2

Ground

Not existed

BLOWER 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

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair harness or connector.

Component Inspection (Blower Motor)

INFOID:0000000010432567

1.

CHECK BLOWER MOTOR-I

1.

Remove blower motor. Refer to 

VTL-17, "Removal and Installation"

.

2.

Check that there is not any mixing foreign object in the blower motor. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace blower motor. Refer to 

VTL-17, "Removal and Installation"

.

2.

CHECK BLOWER MOTOR-II

Check that there is not breakage or damage in the blower motor. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace blower motor. Refer to 

VTL-17, "Removal and Installation"

.

3.

CHECK BLOWER MOTOR-III

Check that blower motor turns smoothly. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower motor. Refer to 

VTL-17, "Removal and Installation"

.

Component Inspection (Blower Relay)

INFOID:0000000010432568

1.

CHECK BLOWER RELAY

1.

Remove blower relay. Refer to 

PG-104, "Fuse, Connector and Terminal Arrangement"

2.

Check continuity between blower relay terminal 3 and 5 when
the voltage is supplied between terminal 1 and 2. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower relay.

Component Inspection (Fan Control Amp.)

INFOID:0000000010520950

1.

CHECK FAN CONTROL AMP.

1.

Remove fan control amp. Refer to 

HAC-231, "Removal and Installation"

2.

Check continuity between fan control amp. terminals.

Fan control amp.

Voltage

Connector

Terminal

M181

2

Ground

0 V

Terminal

Voltage

Continuity

3

5

ON

Existed

OFF

Not existed

JSIIA1551ZZ

+

Continuity

Terminal

Terminal

1

3

Existed

3

1

Not existed

 

 

 

 

 

 

 

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