Nissan Qashqai (2007-2010). Manual — part 931

HAC-84

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

SUNLOAD SENSOR

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND AUTO AMP.

1.

Turn ignition switch OFF.

2.

Disconnect auto amp. connector.

3.

Check continuity between sunload sensor harness connector M74 terminal 2 and auto amp. harness con-
nector M53 terminal 26.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SUNLOAD SENSOR

1.

Reconnect sunload sensor connector and auto amp. connector.

2.

Refer to

HAC-84, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace auto amp.

NO

>> Replace sunload sensor.

4.

CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND AUTO AMP.

1.

Turn ignition switch OFF.

2.

Disconnect auto amp. connector.

3.

Check continuity between sunload sensor harness connector M74 terminal 1 and auto amp. harness con-
nector M53 terminal 7.

4.

Check continuity between sunload sensor harness connector M74 terminal 1 and ground.

Is the inspection result normal?

YES

>> Replace auto amp.

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000000954671

(+)

(

−

)

Voltage

Sunload sensor

—

Connector

Terminal

M74

1

Ground

Approx. 5

Sunload sensor

Auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M74

2

M53

26

Continuity should exist

Sunload sensor

Auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M74

1

M53

7

Continuity should exist

Sunload sensor

—

Continuity

Connector

Terminal

M74

1

Ground

Continuity should not exist

SUNLOAD SENSOR

HAC-85

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Measure voltage between auto amp. harness connector (2) M53 ter-
minal 7 and ground.

• When checking sunload sensor, select a place where sunshine directly on it.

If NG, replace sunload sensor.

1.

Sunload sensor

JPIIA0099ZZ

SHA930E

HAC-86

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

INTAKE SENSOR

INTAKE SENSOR

Description

INFOID:0000000000954672

Intake Sensor
The intake sensor (1) is located on the A/C unit assembly. It converts
temperature of air after it passes through the evaporator (2) into a
resistance value which is then input to the auto amp.

Intake Sensor Circuit

Component Function Check

INFOID:0000000000954673

1.

PERFORM SELF-DIAGNOSIS STEP-2

Perform self-diagnosis STEP-2. Refer to

HAC-27, "Diagnosis Description"

, see No. 1 to 3.

24 or

−

24 is displayed.

YES

>> Go to Diagnosis Procedure. Refer to

HAC-86, "Diagnosis Procedure"

.

NO

>> END.

Diagnosis Procedure

INFOID:0000000000954674

1.

CHECK VOLTAGE BETWEEN INTAKE SENSOR AND GROUND

1.

Disconnect intake sensor connector.

2.

Turn ignition switch ON.

3.

Check voltage between intake sensor harness connector M42 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND AUTO AMP.

1.

Turn ignition switch OFF.

2.

Disconnect auto amp. connector.

JPIIA0030ZZ

JPIIA0051GB

(+)

(

−

)

Voltage

Intake sensor

—

Connector

Terminal

M42

1

Ground

Approx. 5

INTAKE SENSOR

HAC-87

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

3.

Check continuity between intake sensor harness connector M42 terminal 2 and auto amp. harness con-
nector M53 terminal 26.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INTAKE SENSOR

Refer to

HAC-87, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace auto amp.

NO

>> Replace intake sensor.

4.

CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND AUTO AMP.

1.

Turn ignition switch OFF.

2.

Disconnect auto amp. connector.

3.

Check continuity between intake sensor harness connector M42 terminal 1 and auto amp. harness con-
nector M53 terminal 25.

4.

Check continuity between intake sensor harness connector M42 terminal 1 and ground.

Is the inspection result normal?

YES

>> Replace auto amp.

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000000954675

Intake sensor

Auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M42

2

M53

26

Continuity should exist

Intake sensor

Auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M42

1

M53

25

Continuity should exist

Intake sensor

—

Continuity

Connector

Terminal

M42

1

Ground

Continuity should not exist