Nissan Qashqai J11. Manual - part 1119

HAC-112

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

BLOWER MOTOR

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> GO TO 9.

9.

CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect power transistor connector and A/C auto amp. connector.

3.

Check continuity between power transistor harness connector and A/C auto amp. harness connector. 

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-129, "Removal and Installation"

.

NO

>> Repair harness or connector.

10.

CHECK BLOWER MOTOR FEEDBACK SIGNAL

When fan speed is set to OFF, and check voltage between power transistor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> GO TO 11.

11.

CHECK BLOWER MOTOR FEEDBACK SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect power transistor connector and A/C auto amp. connector.

3.

Check continuity between power transistor harness connector and A/C auto amp. harness connector. 

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-129, "Removal and Installation"

.

NO

>> Repair harness or connector.

12.

REPLACE POWER TRANSISTOR

1.

Turn ignition switch OFF.

2.

Replace power transistor. Refer to 

HAC-136, "Removal and Installation"

.

3.

Turn ignition switch ON.

4.

Change fan speed from 1st – 7th, and check that blower motor operates normally. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower motor. Refer to 

VTL-17, "Removal and Installation"

.

Component Inspection (Blower Motor)

INFOID:0000000010432236

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?

Power transistor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M359

3

M140

27

Existed

+

−

Voltage

Power transistor

Connector

Terminal

M359

1

Ground

Battery voltage

Power transistor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M359

1

M140

37

Existed

BLOWER MOTOR

HAC-113

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

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:0000000010432237

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.

Terminal

Voltage

Continuity

3

5

ON

Existed

OFF

Not existed

JSIIA1551ZZ

HAC-114

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

MAGNET CLUTCH

MAGNET CLUTCH

Component Function Check

INFOID:0000000010432238

1.

CHECK MAGNET CLUTCH OPERATION

CONSULT ACTIVE TEST

1.

Select “COMPRESSOR” of IPDM E/R active test item.

2.

With operating the test item, check magnet clutch operation by listening and viewing.

Does it operate normally?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-114, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010432239

1.

CHECK MAGNET CLUTCH

CONSULT

1.

Turn ignition switch OFF

2.

Disconnect compressor connector. 

3.

Select “COMPRESSOR” of IPDM E/R active test item.

4.

With operating the test item, check Check voltage between compressor harness connector and ground.

Does it operate normally?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK FUSE

1.

Turn ignition switch OFF

2.

Check 15 A fuse (No. 57, located in IPDM E/R).
NOTE:
Refer to 

PG-109, "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 MAGNET CLUTCH POWER SUPPLY CIRCUIT FOR OPEN

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and compressor harness connector. 

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-68, "Removal and Installation"

.

NO

>> Repair harness or connector. 

4.

CHECK MAGNET CLUTCH GROUND CIRCUIT FOR OPEN

Check continuity between compressor harness connector and ground. 

+

−

Condition

Voltage

Compressor

Connector

Terminal

F6

1

Ground

Active test: COM-
PRESSOR

Off

0 - 0.1 V

On

11 - 14 V

IPDM E/R

Compressor

Continuity

Connector

Terminal

Connector

Terminal

F90

95

F6

1

Existed

MAGNET CLUTCH

HAC-115

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> Replace compressor. Refer to 

HA-31, "Removal and Installation"

 (HRA2DDT and MR16DDT

engine models for Europe), 

HA-75, "Removal and Installation"

. (K9K and R9M engine models for

Europe), 

HA-122, "Removal and Installation"

 (HRA2DDT, MR16DDT and MR20DD engine mod-

els except for Europe) or 

HA-171, "Removal and Installation"

. (K9K and R9M engine models

except for Europe).

NO

>> Repair harness or connector. 

Compressor

—

Continuity

Connector

Terminal

F6

2

Ground

Existed